Page 1
ZENITH
data
systems
Groupe
1=
Bull
Z-386/20/25/33
Series
Service
860-218
Computers
Manual
585-0309-03
Page 2
This
reproduced
be
may
license
meAflwumknnmd
in
Ccpm}mhqbnd.s;luqh.)fidnp.flw
material
under
accordance
the
with
clause
the
provisions
at
DFARS
Rdrl:;dl‘lghfitm
252.227-7013
of
the
contract
(Oct.
Gwmnhmuflmyhm
or
subcontract
Govemment
1988);
cifpmflmuficl
All
ather
with
rights
Zenith
reserved.
Data
the
to
mm
Systems
Copyrights
MS-DOS
0S/2
XENIX
a
is
is
a
rademark
registered
a
is
and
registered
Copyright © 1989
Printed
in
the
United
Trademarks
trademark
of
IBM.
trademark
by
Zenith
Data
States
of
Microsoft
of
Microsoft
of
Systems
America
Corporation.
Corporation.
Corporation
Page 3
Contents
Chapter
Related
TOOIS|
SafetyPrecautions
BaseComputer
OptonalHardware
Chapter
UnpackingtheComputer
BackPanmel
VideoConnection
Keyboard
Peripheral
PowerConnections
Powerup
InstalladonofOptions
1
Publications . .
&
o
s
v
s
.
.
..
.
2
....................
.
Installation
Connections
.
..
...
...
StaticPrecautions
Numeric
Circuit
Memory
Disk
Coprocessor
Card
Installadon . .
Module
Drive
Drive
ChassisRemoval
3.5-Inch
5.25-Inch
Hard
Disk
Mounting
BlankPanelRemoval
Installaton
Installation
Floppy
Disk
Floppy
Drive
DiskDrives
...
...................
w0
%
o
5%
56
5
B
16
.
.
...
...
........
...
..........uuuuunu..
..
......................
.
.
....................
........................
.
..
...
.................
.
.
.
.
...
................
.
...
..
...
...............
..
...
...
.
.
.
.
...
...
.............
.
.
.
...
..................
Installation
.
...
.
Drive
Disk
Drive
Installadon
.
.
...
.
.
..............
. .
...
.............
.
.
...............
...
.
I
R
..................
Installaton
Installation
.
.
.
.
...
...............
.
.
...
...
Introduction
6e
o
e
v
.
.......
Installation
.
........
...
..
...
.
.
.
.
.
.
...
..........
..........
e
...
..
.
1-1
1-2
1-2
1-2
1-4
2-1
2-2
2-2
2-3
2-5
2-6
2-7
2-8
2-8
2-9
2-10
2-12
2-14
2-14
2-16
2-17
2-17
2-17
2-20
Chapter
POWETUD
ResettingtheComputer
TheMonitorProgram
Entering
SeupCommand
THOR
DaIE
SystemRAM
Add-OnRAM
Memory
BootDrive
FloppyDrivesOand1
PasswordControl . .
OperatingSpeed
VideoDisplay . ........................
VideoRefreshRate
3
o
v
4
v
soms
o5
%
56
5
.
. .
...
.
.
...
..................
the
Monitor
. o
oo
.
o
i
v
i
. . ...........
Allocaton
.
...........................
Entering a Password
ChangingthePassword
DisablingthePassword . ...
Program
.
.........................
56 s %%
i
i
it
.
...
.
55 ¢ 55
i
s
.....
. .
..
...
......................
......................
for
the
First
...
..
...............0......
...
...................
%
5
56
................
. . . ...
66 d uwoonm
e
s
.
...
...
.....
Time . ... . ...
................
................
6
e
...
s
...
...
a
oo
..
e
...
o
m
..
.. ..
coy
......
Operation
o
w5
s
...
onss
s
s
...
00
..
..
3-1
3-2
3-2
3-3
3-4
3-4
s
3-4
3-5
3.5
3-5
3-6
3-6
3-7
3-7
3-8
3-9
3-9
3-10
3-10
Page 4
ii
Hard
Disks
Exiing
<
the
SerupMenu
BootCommand
VideoCommands
ColorBarCommand
VideoModes
ScrollModes
UserTests
DiskDrives
Keyboard
.
.
.......................
. . .
.
...
........................
......................
.
....................
.
.......................
.
.
..................
.
..
...
...
..
...
...........
............
i
.0
uu.u.....
.
...
o
...
.
.
.
.
.
.
.
.
X,
T
3-11
3-11
3-12
3-12
3-12
3-12
3-13
3-14
3-15
Chapter
Architecture
4
.
CPUCIrcuits
MemoryCircuits
Cache
MemoryCircuits
ROM
Password
Peripheral
.
.
ROM
Circuits
[/OOperations
Communicatons
VideoConmollerCard
DiskControllerCard
Customlogic
PowerSupply
BusDescriptions
ProcessorBus
QueueBus
CacheBus
SystemBus
ExtendedBus
DMABus
Interrupt
LatcchedAddressBus
Unique
Power-upSequence
Reset
.
HardwareReset
SoftwareReset
BusArbitration
BusMasters
CPU
WO
Refresh
MemoryCycles
ROMRead
MemoryRead
MemoryWrite
Refresh
DMACydes
Input/OutputCycles
SI/ORead
IVOWrite
RequestBus
Characteristics
..
...
.
.
o
cs
v5
.
....
...........
.
.
...
...
...
...
.
.
.
...
...
.
...
.
..
...
...................
.
.
.
.................
..
.
..
....................
.
.
.
..
..................
.
......................
.
..
...................
.
..
.................
.
....................
.........................
.
........................
.
..
.....................
.
...
....................
.
........................
.
...
.............
.........................
.
.......................
..
..............
.
.
.
.
...
.
.
..............:....
.
.
.
...
..............
..
.....................
...
.
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.
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....................
.
.
......................
.
.
...
.........
.
.........................
e
58
5%
5.8
3
bom
mm
o
...
...
...
..
...
.....................
.........................
.......................
.......................
..
...
.
...
.
.
...
.
...
.........
.
....................
...
...
...
...
...
.
.
0
.
..
Functional
...
...
..
...
............
...
...
......
won
om
vm
o
..
.
..
.
.
.
...
...
......
iuuuineueni...
..
...
...
...
8%
.
...,
...
&
.
...
Theory
.
.
4-10
4-10
4-11
.
4-13
4-13
4-13
4-13
4-14
4-14
4-14
4-15
4-15
4-16
4-16
4-16
416
4-17
4-18
4-19
4-19
4-20
4-20
4-20
4-20
o
4-21
4-21
4-21
4-21
4-22
4-23
4-23
4-23
4-24
4-24
4-24
4-1
4-3
4-4
4-6
4-7
4-8
Contents
Page 5
iii
InterruptCycles
Haltand
[/OOperations
Chapter
StaticPrecautions
CoverRemoval
CircuitCardRemoval
SmartBattery
SmartBattery
CacheCardRemoval
Keylock,
Auxiliary
Memory
Main
Disk
Power
Chapter
Main
Parallel/Serial
Parallel/Serial
VideoCards
Z-549VideoCard
High-Performance
ESDI
Hard
Floppy
Keyboard
ShutdownCycles
.
Real-TimeClock
Programmable
System
SerialPort
ParallelPort
Control
...
.
5
.
Removal
Disposal
Card
Guide,
FanRemoval
ModuleRemoval
BoardRemoval
Drive
and
ChassisRemoval
SupplyRemoval
6
Board
(152-19J1)
(152-0010-C2)
8
Drive
DiskDrives
(Part
Card
Card
.
o
DiskDrives
i
Controller
..
..
Numbers
.........................
.
........................
.
..
.................
.
........................
.
.......................
Interval
Processor
.
...
.
Timer
..............
........................
.
.
.
...
..................
.
.
.
.
.
.
.....................
and
Speaker
.
.
.
..
.
..
85-3435,
(Part
Numbers
(Part
Number
.
...
VGACards
.
..
..
.
.
...
(Part#
...
...
.
.
.
..
.
.
...............
.
.
.
...
.............
................
...
..............
...
...
...........
.
.
...
................
Removal
...
..........
.
.
.
..
...
.....
...
...
......
.
.
...
.......
...
.......
85-3536,
85-3426
85-3629)
...................
.
.
..
...
......
152-1-A1)
................
...
...
.
.
..
.........
....................
..
...
.
.
.
...
...
and
85-3601)
and
85-3548)
.
..
...
..........
...
...
...
Disassembly
.
...
.
...
...
..
..
..
.
.
.
..
...
.
..
...
.
...
.
.
..
.
..
Configuration
6-2
6-4
...
..
..
...
..
..
..
..
...
.
.
..
.
.
..
..
.
.
.
...
.
..
4-25
4-25
4-25
4-25
4-26
4-27
4-27
4-28
5-1
5-2
.
5-4
.
5-4
5-6
5-6
5.7
.
5-9
.
5-9
-5-10
5-11
5-12
6-7
6-10
6-10
6-12
6-12
6-12
6-13
6-14
6-15
6-15
6-15
Chapter
PreliminaryChecks
Powerup
Status
Troubleshooting
Disk-Based
Power-Up
Chapter
7
.
LEDs
Diagnostics
and
8
........
.
.
Charts
Error
.
.
...
...
......
.
Messages
...................
...
...
..
...
...
...
.
.
.
..
...
...
.
.
..
................
.
.
.
..
...
Troubleshooting
...
...
...
..........
Specifications
..
.
.
Parts
Contents
.
7-1
7-2
7-2
.
7-3
7-14
7-14
List
Page 6
iv
Figures
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
1-1.
2-1.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
2-9.
2-10.
2-11.
2-12.
2-13.
2-14.
2-15.
2-16.
2-17.
2-18.
2-19.
2-20.
2-21.
High-Performance
Computer
Connecting
Connecting
AT/XT
Keyboardlegs
Parallel
Power
PowerConnection
Numeric
Blank
Circuit
Memory
Installing
Typical
Removing
Mounting
Removing
Full-Height
Reinstalling
Disk
Removing
BackPanel
the
the
Compatibility
and
Serial
and
Voltage
Coprocessor
PanelRemoval
Card
Installation
Module
and
Removing
Drive
Locadions
a
Drive
the
Adapter
RFl
Brackets
Drive
the
Drive
Drive
Cable
the
Blank
Workstation
.
...............
Monitor
Keyboard
.
.................
Port
Switch
Socket
Chassis
Mounting
Connections
.
.
Cable
Switch
Locations
Locadons
...
..............
Socket
.
.
.
...
.
...
Locations
Memory
.
.
.
.
Bracket
.
.
.
(Left
Chassis
Panel
.
.
.
Location
...
.
to
..
..
. .
.
...
.
...
.
......
.
...
.....
.
Modules
...
.
.
..
the
Drive
...
Chassis
.
.
.
...
.
.
.
...
...
.
.
.
.
.
...
..
...
...
...
.
...
.
.
.
..
...
.
.
...
..
Only)
..
...
...
.....
...
.
.
.
.
...
..
.
...
.
...
...
.
..
.
.
.
..
..
.
.
.
..
.
..
..
..
..
...
.
.
..
.
.
.
.
.
.
.
.
..
..
.
.
.
-
2-2
2-2
2-3
.
2-3
.
2-4
2-5
.
2-6
.
2-7
.
29
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-17
2-18
2-19
2-20
1-1
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
3-1.
3-2.
3-3.
3-4.
3-5.
3-6.
3-7.
4-1.
4-2,
4-3.
4-4.
4-5.
4-6.
4-7.
4-8.
4-9.
4-10.
4-11.
5-1.
5-2.
5-3.
5-4.
5-5.
5-6.
5-7.
5-8.
5-9.
PowerSwitch
Monitor
SeupMenu
Floppy
Password
Disk
.
Command
.
DrivesOand1
EEPROM
.
.
Summary
.................
Location
101-KeyKeyboard
KeyGroups
Z-386/xx
CPUCircuits
Main
Memory
Cache
ROM
Memory
Password
MemoryMap
I/0
Operation
Communications
Start-Up
TypicalDMACycle
Unlocking
CoverRemoval
CircuitCardRemoval
BatteryRemoval
CacheCardRemoval
Card
GuideRemoval
SpeakerRemoval
LED/Speaker/Keylock
AuxiliaryFanRemoval
.
Functional
Memory
ROM
Sequence
theCover
...
.
.
...................
Circuits
Circuits
Circuits
Circuit
.....................
Circuits
Circuits
....................
...
.
...
...
..
R
.
...
.
...
...
.
.
.
.
...
.
................
.................
Diagram
.
.
.
.
.
.
.
..
.
.
.
.
.
.
................
.
.
...
..
................
Removal
...
.
...
.
.
.
.
...
.
.
...
..........
.
.
...
..........
.
...
..........
.
.
...
.........
.
.
..
...
.............
..............
...............
.
...
...........
...
............
..............
.
.
...
...
...
R
T
..
...
...
...
...
...
...
...
.......
...
...
...
...
...
..
.
...
..
..
.
.
.
.
.
3-1
3-3
3-4
3-6
3-7
3-15
3-15
4-2
4-3
4-5
4-6
4-7
4-8
4-9
4-10
4-12
4-18
4-24
5-2
5-3
5-4
5-5
5-6
5-7
5-8
5-8
5-9
Contents
Page 7
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
5-10.
5-11.
5-12.
6-1.
6-2.
6-3.
6-4.
6-5.
6-6.
6-7.
6-8.
MainBoard
Removing
DiskDriveRemoval
Power
Main
Parallel/Serial
Parallel/Serial
Z-549
VGA
VGA
VGA
Disk
the
SupplyRemoval
Board
Jumper
Card
Card
Card
Video
Display
Display
Display
Controller
Card
Card
Card
Card
..
.
...
..
.
..
.
.
.
Locations
Jumper
Jumper
Switch
(152-19J1)
(152-0010-C2)
(152-37-J1)
Switch
6-2
Locations
Locations
Locadons
Locaton
..........
..........
..........
.
.
.
.
.
.
.
.
.
.........
...
...
.
.........
.
.
.
...
.
.
.
.
...
.
.
..
.
..
..
510
5-11
5-12
.
.
6-10
6-12
6-12
6-13
6-14
6-4
6-7
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
PowerStatusLEDs
7-1.
IOCard
7-2.
General
7-3.
Dead
7-4.
Keyboard
7-5.
Parallel/Serial
7-6.
Drive
7-7.
Video
7-8.
Power
7-9.
ExplodedView
8-1.
.
...
StAtUS
LEDS
System
System
TroubleshootingChart
Troubleshooting
TroubleshootingChart
Troubleshooting
Troubleshooting
Troubleshooting
Port
.
&
¢
Chart
Troubleshooting
Chart
.
..................
...
...........
&
<
s
0
Chart
Chart
.
.
.
.
.
.
v«
.
.
.
...
...
.
...
.
.
.
55
.
.
.
.
.
.
.
.
...
...
..
»
.
.
.
.
o
&
.
.
.
.
..
.
.
..
...
...
5
.
..
..
..
7-2
»
7-2
.
7-3
7-5
7-7
7-8
7-10
7-11
7-12
8-1
Contents
Page 8
'fables
Table
Table
Table
Table
Table
Table
Table
Table
Table
Table
Table
Table
Table
Table
2-1.
3-1.
4-1.
6-1.
6-2.
6-3.
6-4.
6-5.
6-6.
6-7.
6-8.
6-9.
8-1.
8-2.
Expansion
VideoModes
Cycle
Main
Parallel/Serial
Parallel/Serial
Z-549
Z-549
SwitchSettings
MDA
Switch
CGA
SwitchSettings
Video
ESDI
Field-Replaceable
OptonalParts
P301
External
External
Internal
Floppy
ESDI
ESDI
External
Keyboard
ATBus
Zenith
Main
Drive
Auxiliary
Slot
Assignments
.
...................
Control
Board
Signal
Jumper
Card
Card
(Only)
(Primary)
Card
and
Switch
.
(Primary)
Settings
(Primary)
and
.
and
.
Jumper
Drive
Descripons
Controller
Parts
.
...................
LED/Speaker/Keylock
25-Pin
9-Pin
10-Pin
Disk
Control
Data
15-Pin
..........
BusExtensions
Power
Power
Fan
Parallel
Serial
Serial
Connector
Connector
Connector
Analog
Connector
Connector
Connectors
Power
. .
..........
Decoding
Settings
Hardware
Hardware
Settings.
MDA
(Secondary)
.
.........
.
.
..........
Jumper
Jumper
.
.................
(Secondary)
Z-549
.
..
..............
Z-549
(Secondary)
.................
. . .
...
Board
Switch
List
Connector
Connector
Connector
Connector
(J1)
(J2)
(J3/J4)
Video
..............
.
.
.
Acoo0cOsan
.............
.
.
.
.
.
.
Connector
Settings
. . .
..
.
.
.
...
(P303)
.
..
.......
.........
.
.
.
.
...
Connector
.........
..
.
.........
..
.
.
.
.
Descriptions
Descriptions
.
..
...
~
.
:
6-11
6-11
6-11
...
...
6-13
.
.
.
6-14
...
...
.
.
.
.
.
.
.
.
.
..
...
..
.
...
...
.
...
..
...
........
.
.
.
.
.
.
o
S-10
S-12
S-12
S-12
...
...
.
2-10
3-12
4-22
6-3
6-4
6-7
6-11
8-2
8-4
S-1
S-2
S-2
S-3
S-3
S-4
S-4
S-5
S-6
S-7
Contents
Page 9
The
High-Performance
based
on
the
operates
computer
bit
card
video)
serial
at
20, 25,
supports
proprietary
provides
display
ports
are
80386
32-bit
or
33
from 2 to
bus
that
emulation
modes.
standard.
Workstation
central
MHz, depending
supports
for
One
Centronics-type
Figure
processing
64
megabytes
AT-compatible
CGA,
MDA,
1-1
Chapter
Introduction
is
an
AT-compatible
unit
on
the
of
memory
EGA,
and
parallel
illustrates
the
computer
cards. A VGA
(CPU).
and
HGC
(Hercules
and two
basic
computer.
computer
The
model.
uses a 32-
RS-232
1
CPU
The
video
Figure
1-1.
This
manual
service
High-Performance
includes
procedures
to
Workstation
operation,
the
major
assembly
configuration,
troubleshooting,
level.
and
Related
Publications
The
following
*
Owner’s
*
Technical
BIOS,
These
manuals
Manual — Part
Reference
and
programmable
manuals
are
are
also
available:
number
Manual — Model
registers.
available
from
595-4859.
TM-3600
Zenith
Data
covers
Systems.
hardware,
Page 10
Tools
Use
the
this
computer.
#1
Phillips
#2
Phillips
Voltmeter
Disk-Based
Model
—
Model
The
disk-based
Systems.
following
tools
screwdriver
screwdriver
Diagnostics:
CB-31-05
CB-51-05
diagnostic
and
equipment
(3.5-inch
version)
(5.25-inch
package
to
install,
version)
is
available
repair,
from
and
Zenith
maintain
Data
Safety
Base
Computer
Precautions
To
avoid
potential
cautions
*
*
*
*
*
As
assemblies
card,
drive,
Main
circuitry
and
compatible
numeric
Cache
board,
overall
when
Verify
correct
Use
a
grounded
Disconnect
Avoid
power-ground
Disconnect
shipped
the
serial
and
Board
including
cache
coprocessor
Card
providing
system
shock
servicing
line
AC
AC
power
the
auxiliary
from
the
including
board,
a
power
support
bus
supply.
—
This
the
circuits.
connectors,
—
The
either
performance.
or
personal
this
computer.
voltage
factory,
the
a
board
socket(s).
cache
power
before
shorts.
fan
the
main
disk
controller
Some
contains
80386
The
the
card
16K
or
selection.
source.
board,
CPU;
64K
injury,
opening
when
working
computer
a
cache
card,
models
most
memory;
board
also
keyboard
installs
of
fast
use
the
cabinet.
in
consists
card,
at
include
of
contains
and
cache
in
a
connector
access
the
following
close
of
the
least
one
a
VGA
the
computer’s
and
CPU,
connectors,
memory,
pre-
proximity.
several
32-bit
‘major
parallel/serial
floppy
video
bus,
on
disk
card.
control
memory,
and
AT-
and
the
main
increasing
Introduction
Parallel/Serial
interface
serial/parallel
system
battery,
vides
Serial
through
the
to
circuitry
I/0
control
and
one
I/0
parallel/serial
a
RS-232C
Board
the
connector
processor.
set
Card
—
This
including:
circuits,
of
diagnostic
serial
—
The
port
A
second
on
card.
a
this
card
contains
the
interrupt
real-time
MFM-300
LEDs
also
and
one
RS-232C
board.
A
most
of
the
and
DMA
controllers,
clock,
an
interval
monitor
are
Centronics-type
serial
short
ROM,
on
this
port
cable
card.
is
connects
peripheral
timer,
and
a
3-volt
backup
The
card
parallel
available
port.
this
the
the
pro-
board
Page 11
1-3
Video
Standard
MDA,
Disk
Card
—
output
and
Hercules
Controller
The
Floppy/Enhanced
The
card
provides
drives
in
any
combination,
trollers
puter
Memory
of
megabytes
a
on
Bus
sion
memory
slots.
Drives
These
of
two
can
various
support
System
Modules
system
combination
memory
1.4
RAM
using
cards
Interface
bus
connectors
cards
—
The
are
usually
megabytes
hard
disk
be
ESDI
capacities.
or
other
Interface
installed
of
—
and
computer
drives
SCSI
video
card
is
analog
Card
Small
support
1-megabyte
1-
can
The
the
3.5-inch
per
VGA
(HGC)
video
—
Device
for
and
hard
disk
(SCSI).
—
The
on
the
and
4-megabyte
be
installed,
computer
and
proprietary
parallel/serial
comes
drives
high-density
in
addition
devices
|
produces
that
also
display
The
standard
Interface
up
to
two
two
ESDI
interfaces,
computer
main
board.
memory
(depending
modules,
memory
providing
provides
32-bit
card
with
up
with
a
disk.
to
the
analog
RGB
emulates
modes.
disk
controller
(ESDI)
3.5hard
hard
or
5.25-inch
disk
including
is
shipped
to
high-density
Some
floppy
on
with
Memory
or
modules.
up
to
both
AT-compatible
expansion
use
the
two
floppy
computers
disk
drives.
the
drive
:
video
the
EGA,
card
disk
controller.
floppy
drives.
20
64
ZDS
Some
the
Small
two
megabytes
capacity
megabytes
Optional
megabyres.
slots.
Expansion
proprietary
disk
drives.
storage
contain
The
controller)
signals.
-
CGA,
is
a
disk
con-
Com-
is
8
using
add-
expan-
capacity
up
to
drives
of
Power
the
These
the
able
Keyboard
ured
Supply
following
-SVDC @ 21A
-5VDC @ 0.3A
+12VDC
-12VDC @ 0.3A
outputs
cabinet
between
as
—
AT-compatible
for
—
The
outputs:
@
7.5A
are
electrically
the
common
115
and
The
computer
switch-mode
isolated
ground.
230
VAC.
comes
operation.
regulated
from
The
input
with
a
101-key
power
the
main
voltage
supply
voltage
is
keyboard,
and
switch
'
provides
share
select-
config-
Introduction
Page 12
14
Optional
Hardware
The
following
Coprocessors
numeric
*
¢
Refer
coprocessor
support
Circuit
standard
expansion
Memory
*
¢
*
Floppy
drive,
coprocessors:
Intel
80387
Weitek
One-megabyte
Two-megabyte
Memory
megabytes
WTL
to
the
both
Cards
AT-compatible
cards.
—
expansion
Disk
which
hardware
—
options
Sockets
3167.
Specifications
models.
coprocessors
—
The
Memory
memory
memory
maximum
section
Main
boards
installed
computer
circuit
-
expansion
modules
modules
card
using
per
Drives — The
can
be
any
one
are
on
the
main
later
that
provides
cards,
options
two-megabyte
card.
computer
of
the
following:
available
contain
the
at
as
for
board
in
this
same
expansion
well
as
include
support
manual
two
time.
proprietary
the
memory
supports a second
this
computer.
the
following
for
specific
coprocessor
slots
that
32-bit
following:
modules,
floppy
sockets
accept
8
disk
*
720K,
3.5-inch
*
1.4M,
3.5-inch
¢
360K,
5.25-inch
¢
1.2M,
5.25-inch.
Hard
Disk
ESDI
hard
disk
NOTE:
controller.
ferent
secondary
The
If
operating
controller,
Drives — The
drives
using
MS-DOS
you
operating
use
more
system,
or
such
provide
computer
the
standard
system
than
one
as
XENIX
your
supports a maximum
drive
controller
recognizes
controller,
or
0OS/2,
own
operating
you
to
the
must
access
system
of
two
card.
primary
use a dif-
the
support.
drive
Introduction
Page 13
This
chapter
installing
internal
provides
options,
instructions
and
for
connecting
Installation
setting
peripherals
up
Chapter
the
computer,
and
2
power.
Unpacking
Computer
the
>
NOTICE
Avoid
untl
1.
Unpack
aside
2.
Choose
heaters
and
80%.
monitor.
Handle
the
hard
3.
Carefully
4.
Place
surface.
top,
during
shock
hazard.
instructed
the
user
they
until
a
sturdy
or
radiators.
80°F
(16°
Avoid
lights
the
computer
disk
drive(s).
unpack
the
computer
Make
sides,
and
setup
and
Do
not
to
do
so.
documentation
called
are
work
location
Maintain
to
27°C)
or
windows
with
care
the
computer
and
any
certain
rear
there
of
the
options
connect
for.
with
computer.
installation
power
and
away
the
room
a
relative
that
can
to
prevent
and
the
peripheral
is
unobstructed
These
or
turn
the
operating
from
heat
temperature
humidity
cause
reflections
damage.
keyboard.
equipment
air
areas
on
the
system,
sources
between
between
Do
not
on
the
space
around
must
computer
set
such
as
60°
20%
on
the
drop
or
work
the
be
accessible
them
and
jar
If
the
computer
Optons”
Refer
tion
If
other
ton
Give
customer
must
section
to
the
instructions.
internal
of
Options”
the
keyboard/cover
save
be
transported.
is
a
videoless
of
this
chapter
manufacturer’s
options
section
all
shipping
are
of
this
lock
cartons
model,
documentation
being
keys
refer
and
install
installed,
chapter
to
the
and
and
customer.
inserts
to
the
“Installation
the
video
for
specific
refer
to
install
them
in
case
card
now.
configura-
the
“Installanow.
Have
the
the
computer
of
-
Page 14
2-2
Back
Video
Panel
Connection
NOTICE
All
connections
panel
as
illustrated
Figure
2-1.
The
video
analog
The
attempt
video
video
to
for
Computer
VOLTAGE
card
installed
signals
card
is
connect
power
in
POWER
through
set
for
any
and peripherals
Figure
SELECTION
Back
:
in
several
31
kHz,
other
2-1.
Panel
a
15-pin
VGA
type
KEYBOARD
computer
of
are
D-type
analog
monitor
located
on
.
PERIPHERALS
models
connector.
operation.
to
provides
the
card.
the
Do
back
i
MONITOR
31
not
kHz
1.
Position
2.
Refer
to
The
specifications
Figure
2-2.
the
monitor
Figure
Connecting
on
2-2
and
contain
the
the
work
connect
connector
Monitor
surface.
the
monitor
pinout
to
the
video
information.
card.
‘
Installation
Page 15
Keyboard
Installation
1.
Refer
puter.
The
Figure
to
Figure
2-3
Specifications
2-3.
Connecting
and
connect
section
the
Keyboard
contains
the
keyboard
connector
Cable
to
the
rear
pinout
of
the
com-
information.
2.
Refer
certain
Figure
to
2-4.
Figure
the
switch
AT/XT
GROOVE
2-4
and
check
the
is
in
the
“AT”
Compatibility
\=
|
1:
[
'
'
—————
|
1
Switch
NET=
U/
@
/
~/
keyboard
position.
J
[
compatibility
switch.
N
Be
Installation
Page 16
2-4
3.
Adjust
Figure
Figure
2-5.
the
tlt
2-5.
Keyboard
of
the
keyboard
Legs
by
moving
the
legs
as
shown
in.
Installation
Page 17
2-5
Penpher
Connections
al
.
Figure
2-6
port
and
the
cablas.
he
The
Specifications
Figure
2-6.
shows
the
RS-232
Parallel
location
serial
section
and
Serial
com2
—
oo
of
the
ports.
Connect
contains
Port
Centronics-type
any
peripherals
connector
Locations
pinout
com1
|
0000,
oo
0
000000000000
0000000000000
©
I
parallel
information.
printer
and
secure
—
LPT
1
Installation
Page 18
Power
Connections
A
,
NOTICE
Before
all
1.
If
VAC
proper
*
*
In
a
NEMA
nector
minimum,
Outside
and
connecting
power
Refer
the
for
you
will
power
type
For
115
For
230
the
USA,
3-conductor
type
body
the
must
switches
to
Figure
correct
be
operating
source,
and
volt
systems,
volt
systems,
the
power
cable,
5-15
at
the
its
and
USA,
display
AC
power
to
the
OFF
2-7
and
check
source
AC
the
the
power
voltage
P
length
the
an
rating.
a
minimum
a
minimum
supply
type
SV
plug
cap
other.
The
must
cord
must
international
to
the
position.
the
voltage.
computer
cord
cord
must
or
SVT,
at
one
end,
cord
must
exceed
not
be
rated
agency
computer
computer’s
in
an
area
and
plug
of
10
amps
of
5
amps
be
UL
#18
AWG,
and
a
be
rated
14.5
250
VAC,
approval
or
any
peripheral,
input
serviced
must
be
changed
is
required.
is
required.
listed,
detachable,
with
a
molded-on
120
VAC,
(4.5
feet
5
amp
marking.
voltage
by
a
molded-on
cord
con-
10
amp
meters).
minimum,
set
switch
230
to
the
with
IMPORTANT
Contact
tes
if
you
If
you
are
codes.
trical
Figure
2-7.
your
are
unsure
Power
local
sales
unsure
about
and
representative,
of
the
type
of
the
line
voltage
Voltage
0
Switch
@
or
power
in
Locations
VOLTAGE
SWITCH
/
i
\
POWER
SWITCH
the
cord
your
local
to
use.
area,
electrical
check
authori-
local
elec-
Installatio~
Page 19
Refer
and
power
*
*
Figure
to
to
For
For
2-8.
Figure
the
AC
strip.
a
115-volt
a
230-volt
Power
2-8
and
connect
power
source.
AC
source,
AC
source,
Connection
the
You
can
a
minimum
a
minimum
power
use
a
of
of
cord
to
the
properly
10
amps
5
amps
is
computer
rated
switched
is
required.
required.
N
N
Powerup
3.
Connect
source.
If
you
are
unfamiliar
information,
1.
Turn
on
2.
Enter
the
Set the
If
the
drive.
a
hard
hard
date
the
monitor
refer
the
computer
Monitor
and
disk
drive
disk.
Otherwise,
JUW
=
with
Chapter
to
program
time.
_
Z
and
is
2/
peripherals
these
procedures
3.
and
monitor.
and
installed,
set
it
=
type
SETUP.
set
the
to
autoboot
to
a
grounded
or
require
computer
from
AC
power
additional
to
autoboot
the
floppy
from
disk
Update
Record
computer
the
Exit
the
Reset
the
configuration
the
Setup
Owner’s
Setup
the
computer
information
Manual.
program
and
information
on
the
and
save
the
autoboot.
for
any
Setup
changes
installed
Form
at
options.
the
back
of
Installation
Page 20
2-8
Installation
Options
Static
Precautions
of
The
following
When
handling
*
Do
not
packaging
*
Equalize
and
picking
*
Once
set
it
returned
remove
you
up
you
down
procedures
circuit
any
until
you
the
static
by
touching
the
device
remove
or
let
protective
its
to
describe
boards
how
or
integrated
static-sensitive
are
ready
to
install
electricity
the
with
the
device
go
of
befween
work
surface
the
other
from
it
undil
it
packaging.
its
is
to
install
circuits
device
installed
from
it.
the
work
with
one
hand.
protective
in
hardware
(ICs):
its
protective
surface,
hand
and
packaging,
the
computer
options.
the
device,
then
do
not
or
Installation
Page 21
2-9
N’
Numeric
Coprocessor
Installation
NOTICE
Static
electricity
cautions.
To
prevent
before
1.
2.
Figure
you
Remove
Use
Figure
2-9.
v177
R
shock,
remove
the
Numeric
EI
can
damage
disconnect
the
cover
2-9
to
locate
85-3435
85-3536
the
numeric
the
cover.
as
described
the
numeric
Coprocessor
U162
PIN
et
computer
in
Chapter
coprocessor
Socket
Location
\\
1——@|
CU
coprocessor.
from
the
Use
AC
5.
socket.
85-360!
static
power
pre-
source
-
.
3.
4.
S.
Align
pin 1 of
no
pins
If
J101
«
If
an
«
If
an
Replace
the
are
bent
is
present
80387
is
80387
the
is
cover.
coprocessor
outside
on
the
installed,
not
installed,
with
of
the
socket.
board,
set
jumper
jumper
pin 1 of
it
pins 1 and
the
as
follows:
pins 2 and
2.
socket.
3.
Verify
that
Installation
Page 22
2-10
Circuit
Card
Installation
To
prevent
before
1.
Remove
2.
Refer
Table
SLOT
1
2
3
4
S
6
7
shock,
you
remove
the
to
Table
2-1.
Expansion
CONNECTOR
P101
P102
P103
P104
P105
P106
P107
disconnect
the
cover
as
2-1
and
Slot
the
cover.
described
select
the
Assignments
-
BUS
ZDS
ZDS
ZDS
ZDS
AT
AT
AT
computer
in
Chapter
expansion
CARD
Optional
Optional
Optional
Parallel/Serial
Optional
Video
Disk
from
5.
-
Controller
Drive
Controller
slot
Card
the
for
Card
AC
the
Card
power
new
source
card.
NOTE:
board
3.
Referto
selected.
Figure
The
next
to
2-10.
serial
I/0
the
disk
Figure
Save
Blank
2-10
the
Panel
board
drive
controller
and
screw.
Removal
does
remove
not
require
card
on
the
blank
an
expansion
the
power
panel
slot.
supply
from
Install
side.
the
slot
this
you
Installation
Page 23
4.
Refer
Set
any
to
the
card’s
configuration
documentation
jumpers
or
and
Chapter
switches.
6,
“Configuration.”
2-11
NOTE:
S.
Refer
the
the
6.
Replace
Figure
Retain
to
card
card
2-11.
any
Figure
by
pushing
with
the
the
cover.
Circuit
removed
2-11
and
down
screw
Card
Installation
P
blank
position
carefully
you
removed
panels
the
new
until
¥
-
=
for
replacements.
card
over
it
slides
in
step
3.
the
into
slot.
place.
Seat
Secure
Installation
Page 24
Memory
Module
Installation
NOTICE
:
Static
electricity
cautions.
To
prevent
before
1.
2.
Figure
you
Remove
Refer
2-12.
shock,
remove
the
to
Figure
can
disconnect
cover
2-12
Memory
damage
the
cover.
as
described
and
Module
the
the
locate
Socket
T
memory
computer
in
Chapter
the
memory
Locations
[
module(s).
from
the
5.
module
Use
static
AC
power
sockets.
pre-
source
IMPORTANT
Presently,
the
following
U103
1M
Do
NOTE:
be
not
able
U104
M
place
Because
to
the
motherboard
configuradon:
U105 U106 U107 U108 U109
1M
4M
memory
of
the
install
memory
—
o=
supports
M
modules
memory
in
15-,
o= e o= e o=
up
to
20
4M
in
sockets
configurations
18-,
or
19-megabyte
=
megabytes
4M
U103 - U106.
restrictions,
configurations.
4M
of
memory
you
U110
4M
will
in
not
Installation
Page 25
3.
To
*
*
*
Figure
install
Position
the
Tip
into
Gently
latches
memory
2-13.
a
memory
the
power-supply.
the
module
the
socket
push
at
module,
Installing
TO
REMOVE
module
the
each
module:
with
slightly
on
the
main
module
end
of
the
it
makes
and
Removing
the
component
toward
board
to
the
socket
a
distinct
the
power
as
left
until
snap
click.
Memory
side
shown
it
over
Modules
facing
supply
in
Figure
is
upright.
the
ends
and
away
guide
2-13.
As
the
of
the
"2-13
from
it
4.
To
remove a memory
*
Use
end
*
Genty
S.
Replace
6.
Run
the
to
Chapter
Setup
IV
a
small
of
the
tdp
the
Setup
Form
flat-bladed
module
the
module
cover.
program
3
if
you
in
the
|
module:
shown
as
toward
and
are
unfamiliar
back
of
TO
INSTALL
SOCKET
screwdriver
in
Figure
the
update
the
with
the
computer
to
release
2-13.
power
memory
this
the
supply
and
information.
procedure.
Owner’s
Manual.
latches
lift
it
Update
at
each
out.
Refer
the
7.
Perform
Chapter
8.
Run
the
the
new
instructions.
the
ROM-based
3
to
verify
disk-based
memory.
Refer
memory
thar
all
memory
to
test
memory
diagnostic
the
Diagnostics
described
banks
are
tests
Manual
in
“User
functioning
to
thoroughly
for
testing
Tests”
in
properly.
check
Installation
Page 26
2-14
Disk
Drive
Drive
Installation
Chassis
&
CAUTION
Removal
Use
the
following
1.
Place a shipping
to
protect
hard
equivalent)
‘fo
prevent
before
2.
Remove
3.
Refer
tional
Figure
2-14.
disk
you
to
disk
the
drive
shock,
remove
the
Figure
Typical
HALF
HALF
procedures
insert
read/write
in
the
computer,
to
park
the
disconnect
cover.
the
cover
as
described
2-14
and
drive.
Drive
HEIGHT
DRIVE
HEIGHT
DRIVE
.
to
install
(or
scratch
heads
during
hard
disk’s
the
computer
in
decide
Locations
where
nn
any
optional
disk)
in
disassembly.
run
the
heads.
Chapter
you
HALF
FULL
the
floppy
MS-DOS®
from
the
5.
want
HEIGHT
ORIVE
HEIGHT
DRIVE
drives.
disk
drive(s)
If
you
have
SHIP
utility
AC
power
to
install
the
a
(or
source
addi-
n
ii;’
i
[
H
:;’
it
FULL
DRIVE
HEIGHT
HALF
HALF
HALF
HEIGHT
DRIVE
HEIGHT
DRIVE
HEIGHT
DRIVE
I
I
I
il
i
I
i
»
Installation
Page 27
S
TC
TN
2-15
NOTICE
You
cannot
left
drive
4.
Disconnect
chassis.
5.
Remove
chassis.
6.
Refer
the
lip
the
computer.
Figure
2-15.
install a full-height,
chassis.
any
cables
connected
Note
the
orientation
the
screw
that
secures
Save
the
screw.
to
Figure
on
2-15
and
slide
the
computer
Removing a Drive
chassis.
5.25-inch
to
drives
of
these
cables.
the
drive
the
drive
Lift
the
Chassis
drive
in
already
chassis
chéssis
drive
the
bottom
installed
to
the
back
until
chassis
up
main
it
and
of
the'
in
the
clears
out
of
Installation
Page 28
2-16
3.5-Inch
Floppy
Disk
Installation
Drive
‘1.
2.
3.
4.
5.
Unpack
Refer
to
to
Chapter
Refer
to
two
rubber
place.
Turn
the
the
drive
bracket
Secure
*
Start
washers,
tighten
*
Start
disk
Tighten
¢
the
3.5-inch
the
configuration
6.
Set
Figure
grommets
disk
drive
as
shown
with
the
the
disk
the
two
and
these
two
screws
drive.
four
all
floppy
the
2-16
and
upside
in
corresponding
drive
longest
rear
holes
screws.
through
screws.
disk
information
drive
configuration
place
into
the
down
Figure
to
the
adapter
screws
of
the
drive.
the
two
and
2-16.
holes
through
the
bracket
front
packaged
switch
adapter
key
holes
place
Line
up
m
the
bracket
the
into
holes
upside
and
the
adapter
the
screw
bottom
as
follows:
two
grommets,
the
of
the
with
or
jumper.
down.
slide
holes
of
disk
bracket
the
drive
Insert
them
bracker
in
the
drive.
drive.
into
and
the
into
over
the
Do
not
the
Figure
6.
Proceed
2-16.
Mounting
SCR-EWS
to
“Mounting
%_
the
Adapter
ADAPTER
BRACKET
):'.:L—&;%://
Disk
Drives.”
Bracket
O
g
to
the
SCREWS
fi
Drive
FLAT
2.5=INC=
WASHER
GROMMET
DR!VE
\
w
Installation
Page 29
2-17
-
5.25-Inch
Floppy
Installation
Hard
Mounting
Disk
Drive
Disk
Disk
Drive
Installation
Drives
1.
Carefully
2.
Refer
to
Chapter
3.
Proceed
1.
Carefully
2.
Refer
to
Chapter
3.
Proceed
1.
Remove
chassis
Figure
2-17.
unpack
to
the
configuration
6.
to
“Mounting
unpack
to
the
configuration
6.
to
“Mounting
the
screws
as
shown
Removing
Set
Set
the
5.25-inch
the
drive
Disk
the
hard
the
drive
Disk
that
secure
in
Figure
RFI
Brackets
floppy
information
configuration
Drives.”
disk
drive.
information
configuration
Drives.”
the
2-17.
disk
packaged
packaged
RFI
bracket(s)
drive.
jumpers
jumpers
with
the
or
switches.
with
the
or
switches.
to
the
drive
drive
drive
and
and
2.
Ifyou
2-18,
Figure
3.
Secure
the
are
break
2-18.
the
drive.
BRACKETS
installing
off
Full-Height
the
a
full-size
drive
Drive
e
y
BREAK
TAB
(4
LOCATIONS)
drive
to
the
support
Mounting
chassis
hard
tabs
,
b S Bty
using
disk
drive,
shown
(Left
6
Cp
L
-
the
four
as
shown
in
the
Chassis
£
=
oFT—
e
5
screws
inset.
Only)
packed
in
Figure
with
Installation
Page 30
2-18
4.
Refer
*
Place
*
Slide
*
Use
the
to
to
Figure
the
the
the
front
drive
drive
screw
of
2-19
and
chassis
chassis
you
removed
computer.’
the
reinstall
in
forward
the
the
computer.
into
earlier
drive
the
lip
and
secure
chassis
on
as
the
the
follows:
base
of
the
drive
chassis
Figure
S.
Refer
2-19.
to
Figure
Reinstalling
2-20
the
to
connect
Drive
Chassis
the
drive
cables.
Installation
Page 31
Figure
2-20.
Disk
Drive
Cable
Connections
2-19
STRIPE
3.5-INCH
DISK
TWIST
HARD
oL
L’T%
FLOPPY
DRIVE
—..N
DISK
DRIVE
JO]
,
STRIPE
5.25-INCH
I
—
J,fi
=
M
DISK
FLOPPY
DRIVE
—
STRIPE
|
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DISK
DRIVE
Q.
——
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STRIPE
‘NOTICE
6.
Connect
When
connecting
drives,
you
the
must
power
the
4-conductor
use
an
cable(s)
adapter
to
the
power
cable.
drive(s).
cable
to
most
3.5-inch
disk
Installation
Page 32
2-20
Blank
Panel
Removal
If
you
remove
panel.
Remove
secure
3.
Discard
Figure
2-21.
Replace
installed
the
the
the
any
a
screws
blank
remaining
unneeded
Removing
the
cover.
drive
that
and
panel
blank
blank
the
extends
retainers
then
that
replace
panel.
panels,
Blank
Panel
E
beyond
secure
screws,
BLANK
PANEL
the
the
the
screws
and
SCREWS
main
chassis,
appropriate
’
and
retainers
retainers.
blank
to
Reconnect
Run
the
Setup
Setup
Refer
update
Form
to
the
the
the
peripherals,
program
in
the
operating
operating
monitor,
and
update
computer
system
system
configuration
and
keyboard
drive
information.
Owner’s
Manual.
documentation
information.
and,
if
to
the
computer.
Update
necessary,
the
Installation
Page 33
This
chapter
ating
information.
operating
covers
power-up,
Refer
instructions.
to
the
the
computer
Monitor
Owner’s
Chapter
Operation
program,
and
Manual
basic
for
complete
oper-
3
Powerup
>
Refer
Figure
If
the
damage
use
in
When
*
The
to
Figure
3-1.
Power
voltage
when
your
area,
power
is
power
3-1
and
Switch
switch
is
power
contact
applied:
supply
and
turn
the
set
incorrectly,
is
applied.
your
auxiliary
computer
0
If
you
local
power
fans
o
the
are
start
on.
computer
uncertain
company.
could
of
the
suffer
voltage
in
*
The
keyboard
.
Disk
drives
*
Internal
* A blinking
*
The
operating
drive
disk
If
the
operating
the
of
one
+++
+++
No
system
Not a bootable
resets
initialize
power-up
cursor
system
(autoboot
system
following
DISK
ERROR:
DISK
ERROR:
(status
(access
self-tests
appears
messages
partition
loads
option
is
not
Drive
No
bootable
on
installed,
not
LEDs
blink),
indicators
complete
the
from
configured).
appears:
ready!
light,
display
the
hard
or
it
+++
partitions!
NUM
disk
is
not
LOCK
heads
drive
present
+++
remains
seek)
or
the
on
lit
floppy
the
disk,
Page 34
3-2
Refer
to
the
opexfiting
instructions.
If
the
computer
messages
Refer
appear
to
“Power-Up
system
detects
on
the
and
documentation
faults
during
display
Error
(if
Messages”
the
the
computer
for
installation
power-up
can
later
in
this
sequence,
drive
the
chapter.
error
display).
Resetting
Computer
The
Monitor
Program
the
There
are
three
1.
Press
and
This
resets
autoboot
2.
Press
This
Monitor
3.
Turn
All
The
MFM-300
*
Power-up
tests
*
The
*
User-selectable
sequence.
and
resets
program.
the
computer
circuits
tests
or
an
boot
command
different
hold
the
CTRL,
the
CPU,
hold
the
CTRL,
the
CPU,
off,
are
reset
Monitor
to
detect
operating
to
tests
methods
reinitializes
reinitalizes
wait
to
the
program
problems
system
load
to
check
available
ALT,
and
ALT,
and
the
15
seconds,
power-on
contains:
from
the
operating
the
disk
to
DEL
keys,
the
computer
INS
keys,
computer
and
state.
that
would
loading.
system.
drives,
reset
the
then
release
and
initiates
then
release
and
enters
then
turn
prevent
keyboard,
computer:
them.
the
them.
the
it
back
on.
additional
and
memory.
Operation
*
Video
modes.
*
Debugging
*
The
Setup
commands
commands.
program
to
display a color
to
store
hardware
bar
or
set
video
configuration
and
scroll
information.
Page 35
3-3
‘Entering
the
Program
Monitor
There
are
two
CTRL-ALT-INS
then
release
MFM-300
Memory
.
Enter
->
The
first
much
memory.
line
memory
The
them.
size:
"?"
indicates
third
CTRL-ALT-ENTER
force
the
computer
CTRL,
ALT,
and
contents
If
you
the
verify
Do
NOTE:
method.
turn
ALT-INS
are
enter
the
operating
Setup
information
not
alter
the
In
some
If
this
it
back
on.
key
displayed
system
combinaton.
methods
—
Press
A
message
Monitor,
xxxK + xxxxK
for
help
is
installed,
line
—
to
enter
ENTER
Monitor
by
Setup
information
cases
the
happens,
This
clears
to
enter
and
Version
the
ROM
including
gives
the
If
the
CTRL-ALT-INS
the
keys,
on
the
program
pressing
or
to
CPU
turn
off
the
the
program:
hold
the
similar
x.xx
+
version.
syntax
Monitor
and
then
screen
using
G
and
use
the
while
locks
up,
the
computer,
CPU
and
CTRL,
to
the
following
xxK
Cache
The
base,
extended,
for
the
key
program,
release
followed
this
method
ENTER.
Monitor’s
in
this
preventing
allows
ALT,
and
second
line
and
help
command.
combination
press
them.
The
by
the
Monitor
you
Use
this
debugging
mode.
access
wait
15
you
to
INS
keys
appears:
indicates
cache
and
hold
CPU
prompt.
may
return
method
commands.
by
either
seconds,
use
the
CTRL-
and
how
does
not
the
register
to
to
then
For
more
Technical
Figure
3-2.
an
E:
F:
6:
H:
n:
0:
R:
S:
T:
u:
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TEST:
SETUP:
->
?:
B:
C:
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I:
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Help
Boot
Color
Display
Exanine
Fill
Execute
Hex
Input
Hove
Output
Exanine
Search
Irace
Unassenmble
Set
Where
[Extended
Define
informatioix
Reference
from
memory
math
memory
Video/Scroll
Manual.
Monitor
-
MF1-300
disk
bar
memory
(Go)
from
port
block
to
port
Registers
memory
program
program
<range)
diagnostics
hardware
Command
is:
Setup
on
the
Command
Monitor
Program
commands,
Summary
Summary
Syntax
i
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refer
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to
the
Operation
Page 36
34
Setup
Command
The
Setup
ration.
To
to
Figure
This
start
Figure
3-3.
Add-On
Boot
Drive:
Floppy
Floppy
Modify
Password
program
information
the
program,
3-3
appears.
Setup
Systen
15:23:42
BASE
RAN:
Total:
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Drive
System
646K
6:
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Password
Password:
Verification:
records
type
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Hardware
Date:
EXTENDED
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1624k
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SETUP
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Present-
the
each
time
and
press
iguration
Operating
Slow
Fast
Video
Video
ESDI
Cylinders:
Ship
Precomp:
Hard Disk
Cylinders:
computer
the
computer
hardware
ENTER. A display
Program
Speed:
Speed
Speed
Display:
Refresh
Disk
Drive
2ome:
Drive
Select:
Select:
Rate:
6:
301
362
Off
1:
Slow
LIS
Enhanced
Heads:
Sectors:
Capacity:
Heads:
configu-
boots.
similar
X
PC
Compatible
Graphics
56 Hz
Smart
NEE
[{vlird
16
63
1S5n
Time
Date
Use
the
arrow
the
exception
SPACE
reverse
finter
leading
when
keys
video.
the
zeroes
the
Example:
If
you
enter
the
screen.
entering
the
field.
Enter
the
leading
zeroes
Example:
If
you
enter
the
screen.
ENTER
when
keys
of
the
to
make
current
when
cursor
leaves
For
For
an
invalid
Press
time,
date
using
when
For
For
an
invalid
Press
you
and
the
time
selections.
time
using
entering
this
6:58
A.M.
6:58:30
time,
the
ESC
press
the
the
month-day-year
entering
July
18,
November
date,
the
ESC
are
finished.
TAB
and
the
field.
P.M.
an
key
TAB
1989
an
key
key
date
fields,
Current
24-hour
single
enter
065800
enter
error
and
re-enter
or
ENTER
single
enter
2,
1990
error
and
re-enter
to
move
use
settings
format:
digits.
The
185830
message
the
key
format:
digits.
07181989
enter
11021990
message
the
from
field
the
space
are
HHMMSS.
clock
appears
correct
to
move
MMDDYYYY.
appears
correct
to
field.
bar
and
displayed
Use
starts
counting
at
the
bottom
time.
After
to
the
at
the
bottom
date.
Press
With
BACK-
in
.
date
Use
-
of
of
Operation
Page 37
3-5
System
RAM
IMPORTANT
IMPORTANT
Before
of
documentation
The
is
*
*
*
If
internal
the
addressing
choosing
the
computer
term
System
assigned
Base
memory.
Extended
some
EMS
Lotus/Intel
configure
EMS
purpose.
assigned
for
does
a
third
add-on
in
memory
It
application
memory
a
memory.
Any
base
proper
appear
not
party
system
card
conflicts.
a
RAM
with
the
for
recommended
RAM
three
areas::
is
user
is
limited
memory
Memory
portion
operation.
EMS-only
is
software.
refers
to
of
You
may
selection
memory.
this
in
memory
as
card
configuration
owner.
refers
to
memory
to
a
maximum
typically
memory
Specifications.
the
memory
choose
above
All
EMS
EMS
memory
field.
memory
is
configured
2
or
higher.
option,
If
necessary,
memory
memory
located
used
by
meeting
In
in
256K,
256K
will
memory
installed
card
is
for
This
size
review
review
configurations.
installed
in
the
of
“virtual
version
this
computer
the
first
384K,
reduce
requires
added
use
as
will
prevent
on
first
megabyte
640K.
disk”
4.0
megabyte
or
640K
the
a
on
third
to
the
EMS
the
the
the
amount
memory,
possible
intended
software
main
board.
of
programs
of
the
it
is
for
driver
party
system, and
and
possible
for
use
this
of
program
cards
assign
memory
use
It
to
as
Add-On
Memory
RAM
Allocation
Use
the
space
System
Add-On
only
Highlight
SPACE
as
When
mind:
*
*
*
RAM
Ram
cards),
key
necessary.
assigning
MS-DOS
they
specify
MS-DOS
512K
or
640K
The
MS-DOS
“virtual
certain
bar
or
from
the
refers
to
including
the
“Add-ON
to
make
selections
memory
applications
a
minimum
applications
less
run
more
operating
disk”
applications.
sufficient
memory
BACKSPACE
available
optional,
those
manufactured
RAM”
field
for
for
use
usually
memory
specifying
efficiently
system
If
is
key
to
select
options.
plug-in
in
include
you
allocated.
memory
and
use
the
“BASE”
the
computer,
the
requirement.
a
minimum
with
the
can
use
set
up
the
cards
by
Zenith
the
space
and
keep
operating
memory
maximum
extended
a
“virtual
amount
“EXTENDED”
memory
disk,”
and
(except
Data
Systems.
bar
or
BACK-
the
following
system
requirement
base
memory
for
make
use
EMS-
fields,
when
of
in
of
-
Operation
Page 38
3-6
*
Some
the
base
*
Some
minimum
tion
*
If
memory
MS-DOS
operating
memory
application
for
required
0S/2
or
cannot
applications
system.
640K.
-
programs
memory
memory
XENIX
are
be
use
applications
These
that
requirement.
sizes.
installed
used.
as
extended
use
EMS
Review
the
operating
memory
typically
memory
the
application
system,
independently
not
maximum
specify
require
do
documenta-
EMS
of
a
Boot
Drive
Floppy
Drives 0 and
1
Use
the
arrow
BACKSPACE
Floppy
Hard
Drive
Floppy
Enter
MFM-300
Factory
*
*
Use
the
Five
e
e
¢
*
settings
“Floppy
“Hard
the
space
installed
drive
360K
5.25-inch
1.2M
5.25-inch
720K
3.5-inch
1.4M
3.5-inch
Not
Present
keys
key
Drive
0
then
Hard
Drive
Disk
0”
bar
floppy
options
to
to
select
0
Disk
Monitor
for
this
0”
for
for
all
or
BACKSPACE
disk
are
highlight
field
the
the
boot
are:
floppy-only
other
systems.
drives.
available:
field,
drive.
systems
key
to
then
use
select
the
the
space
size
and
bar
or
capacity
of
Operation
Figure
Figure
3-4.
3-4
shows
Floppy
=
©
the
locations
Disk
of
floppy
Drives 0 and
FLOPPY
HARD
DRIVE
drives 0 and
1
DISK
DRIVE
1
\'
/
DISK
1
H
FLOPPY
DRIVE
HARD
DRIVE
1.
v
L)
DISK
DISK
O
O
Ll
N
I
=
i
i
[
J
Page 39
3-7
Password
Control
IMPORTANT
This
field
sets
the
password.
provide
If
the
information
as
shown
NOTE:
not
field-replaceable.
Figure
To
abort
the
BACKSPACE
If
you
the
customer
operator
must
in
Figure
On
some
3-5.
Password
a
password
password.
install
with
forgets
be
replaced.
3-5.
parallel/serial
one
for
a
the
password,
The
replacement
The
copy
EEPROM
DIAGNOSTIC
(OO
key
entry,
to
000000
press
delete
computer
the
customer,
for
safe
the
It
is
located
card
models,
Location
LEDS
N
the
ESC
incorrect
character(s).
is
shipped
be
keeping.
EEPROM
on
the
part
number
the
key.
To
without
sure
to
that
stores
parallel/serial
is
password
correct
a
record
444-9081.
a
it
this
EEPROM
mistake,
and
card,
is
use
Entering
First
Time
a
Password
for
IMPORTANT
the
1.
Highlight
2.
Press
Password”
Passwords
including
password
entering
lowercase
3.
4.
a
Enter
tion
indicates
Verify
first
time.
bottom
Press
Proceed
If
the
password
ERROR:
the
“Modify
the
ENTER
are
limited
all
punctuation,
characters.
password.
characters,
the
new
the
password
Press
of
the
ENTER
to
Incorrect
field.
password
the
the
display:
to
step
5.
entries
key
to
Do
The
making
number
System
twice
eight
special
not
use
computer
it
and
by
retyping
ENTER
INSTALL
do
password
Password”
to
move
characters
characters,
the
difficult
of
key.
new
not
or
SHIFT
differentiates
to
press
the
characters
it
exactly
The
password,
match
entered,
field
and
the
cursor
less.
Alphanumeric
and
the
or
CAPS
between
remember
ENTER
entered.
as
following
ESC
exactly,
ESC
the
to
select
to
the
space
LOCK
the
key.
you
line
to
display
continue
“Password.”
“New
characters
bar
are
valid
keys
when
upper-
and
correct
entered
quit.
password.
The
cursor
appears
reads:
it
at
posi-
the
the
or
Operation
Page 40
3-8
ERROR:
Press
Press
.
Press
back
active.)
.
Select
“Password
.
Enter
to
the
.
Use
the
Prompt
until
computer
+++
To
retry
then
passwords
the
ESC
the
ESC
the
ENTER
to
the
“Modify
“Mode”
Verification”
the
password
“Password
space
Mode
user
the
halts
Password
password
turn
it
back
key
once
key
twice
key
and
press
and
Mode”
bar
to
—
The
enters
displays:
and
Security
entry,
on.
do
not
to
to
to
install
System
the
field.
press
field.
select
the
computer
password.
the
Violation:
turn
match,
retry
start
ESC
password
over.
the
password.
Password”
ENTER
the
ENTER
mode:
will
the
computer
key.
After
to
continue.
verification.
The
highlight
field.
(The
The
cursor
key.
The
not
start
normal
entry
five
System
Shutdown
off,
wait
moves
password
moves
cursor
advances
operation
attempts,
++=«
15
seconds,
is
to
the
now
the
Changing
the
Password
Continue
that
do
programs.
no
prompt
mode.
.
Highlight
and
press
.
Enter
the
cursor
.
Enter
of
characters
.
Verify
Press
the
display:
Press
Proceed
If
the
Mode — The
not
require
For
appears.
the
the
the old
the
password
advances
new
entered.
the
password
the
ENTER
ENTER
password
to
to
step
operator
normal
operation,
Unlimited
“Modify
ENTER
System
key.
to
password.
When
by
key.
The
INSTALL
S.
entries
computer
intervention
entry
Password”
and
press
the
first
The
cursor
you
retyping
following
new
password,
do
not
match
can
enter
attempts
the
“New
Password”
position
finish,
it
exactly
line
exactly,
run
such
the
field,
ENTER
press
appears
ESC
automated
as
autoboot
password
are
permitted
select
key.
When
field.
indicates
the
ENTER
as
you
entered
at
to
quit.
the
display
applications
or
even
though
in
“Password”
you
the
number
key.
it
before.
the
bottom
reads:
batch
this
finish,
of
Operation
or
ERROR:
ERROR:
Incorrect
passwords
password
do
not
entered,
match,
ESC
ESC
to
to
continue
continue.
Page 41
N
Press
Press
S.
To
active.)
the
ESC
the
ESC
install
the
key
once
key
twice
new
password,
to
retry
to
password
start
press
over.
ENTER.
verification.
(The
password
is
3-9
now
Disabling
the
Operating
Password
Speed
1.
Highlight
and
press
2.
Enter
the
cursor
advances
3.
Press
the
The
password
“Exiting
This
able:
Slow — Adds
field
¢
*
All
This
Some
floppy
the
Setup
field
sets
determines
PC
Compatible
AT
Compatible
cache
and
setting
is
copy-protection
drives
the
“Modify
the
ENTER
old
password
ENTER
is
disabled
Menu”
the
computer’s
wait
the
adds
adds
queue
useful
at
PC-
System
key.
and
to
the
first
key
three
when
later
operating
states
to
all
number
functions
when
or
of
15
wait
11
wait
are
working
schemes
AT-compatible
Password”
press
ENTER.
“New
Password”
times
to
disable
you
exit
and
in
this
chapter.
speed.
operations.
wait
states:
states
states
automatically
with
copy-protected
require
that
speeds.
field,
When
field.
the
save
Three
The
“Slow
turned
the
computer
select
“Password”
you
finish,
password.
the
changes.
options
Speed
off.
software.
the
Refer
are
Select”
access
to
avail-
the
Fast — Runs
functions
IMPORTANT
~
If
no
cache
and
“Q
*
Cache
* Q selects
1.
OFF
2. 1 sets a queue 1 word
3.
16
Smart — The
Slow
mode
the
motor
ates
in
Fast
all
operations
are
automatically
card
is
OFF”
options
turns
the
from
disables
sets a queue
computer
depending
is
on,
Slow
mode.
installed
in
the
cache
on
one
of
three
the
queue
16
words
automatically
on
mode
at
turned
in
“Fast
or
queue
deep
the
status
is
zero
wait
on.
the
computer,
Speed
off
(maximum
options:
deep
(maximum
of
the
enabled;
states.
Select”
switches
otherwise,
Cache
select
field.
speed = on)
speed).
between
floppy
disk
and
the
“Cache
drive
the
computer
queue
Fast
motor.
OFF”
and
If
oper-
Operation
Page 42
3-10
Video
Video
Display
Refresh
Rate
This
field
match
choices
¢
Color
display
¢
Color
the
display
¢«
Monochrome
video
*
Enhanced
video
field
This
options
selects
are:
40 x 25 — This
80 x 25 — This
card
cards
determines
are
the
default
capabilities
mode
for
CGA
mode
for
CGA,
80 x 25 — This
(either
available:
MDA
graphics — This
and
monitors.
of
the
the
video
video
opton
or
EGA
option
or
EGA
or
Hercules
refresh
display
card
selects
video
cards.
selects
video
mode
video
mode
used
rate
routines.
installed
the
40
the
This
in
the
column x 25
80
column x 25
selection
computer.
cards.
requires a monochrome
interface)
supports
the
by
most
video
and
EGA
card.
must
The
row
row
monitor.
or
VGA
Two
Hard
Disks
NOTICE
mode
This
—
Hz
60
e
United
the
in
Hz
50
¢
Europe
in
NOTE:
-may
The
ESDI
Regardless
defaults
entries
SCSI
If
appear
Monitor
controller
to
are
drives
States.
mode
This
—
other
and
power
the
to
flicker.
program
installed,
controller
the
of
Disk
Hard
permitted
show
supply
Hard
Setup/Configuration
Disk
ESDI
drive
the
If
required.
Disk
Hard
drives
no
or
selected
ally
Drive
is
The
0
installed,
“Drive
Drive
are
to
Type”
0
installed.
match
supports
supports
areas.
input
checks
Drive
in
the
selection
the
type,
and
situation.
this
Drive
Disk
program.
The
—
1
or
entries
all
field
The
—
1
or
this
In
configuration
the
Hz
60
the
Hz
50
the
disk
defaults
drive
no
Type
1
or
is
“Not
voltage
hard
if
Drive
0
controller
automatic;
are
indicates
controller
mode,
the
of
power
power
controller
“Drive
the
line
line
correct,
not
ESDI
to
present
is
“Not
to
Present”
using
is
no
Type
using
is
type
drive
installed
Present.”
frequency
frequency
display
the
With
type.
Disk
selection
the
the
in
ESDI
an
further
100.”
SCSI
a
must
drive.
used
used
an
Drive.
No
interface.
is
input
interface,
manu-
be
Operation
To
select a drive
the
Move
1.
the
Use
2.
type:
highlight
bar
space
to
or
the
“Drive
the
BACKSPACE
Type”
field.
to
key
make
selecton.
a
Page 43
3-11
Exiting
N
Menu
Boot
the
Command
Setup
When
you
Y
followed
To
exit
ESC
and
The
boot
memory.
B({FIW}]
At
the
Monitor
drive
indicated
usually
then
Hard.”
puter
attempts
To
change
default
another
Error
messages
drive.
To
correct
refer
to
finish
by
the
the
program
again.
process
The
command
[{0]1}]
prompt,
by
“Hard
Disk
However;
to
default
drive
remains
manually
is
drive
appear
correct
boot
command.
“Power-Up
making
ENTER
without
loads
[:<PARTITION>]
the
“Boot
Drive
if
boot
floppy
drives,
the
if
this,
access
and
entries,
key.
Press
saving
the
operating
syntax
press
B
Drive”
0.”
This
Setup
is
disk
manually
same
booted.
you
attempt
the
For
more
Error
Messages”
press
ESC.
N
to
the
changes,
system
is:
and
ENTER
field
in
is
also
true
set
for
“Enter
drive
0.
boot
from
until
the
computer
to
boot
Monitor
information
program
in
To
save
return
from
to
boot
the
Setup
if
Setup
MFM-300,”
another
from
about
Chapter
the
changes,
to
the
Setup
press
ESC,
a
disk
into
from
the
program.
is
set
drive.
is
turned
a
non-existent
and
enter
error
7.
préss
program.
then
Y,
computer
“default”
This
for
“Floppy
the
com-
The
off
or
the
messages,
is
Extend
Winchester,
more
and
partitions
documentation
the
boot
a
than
one
partition
numbers
per
command
reference
drive
type
as
hard
disk
for
additional
to
BF
to
the
hard
is
installed,
required.
drive.
Refer
information.
(boot
disk)
add
This
to
from
floppy)
to
boot
the
computer
the
operating
a
specific
drive
supports
or
BW
numbers
system
(Boot
drive.
(0
or
up
to
from
If
1)
four
Operation
Page 44
3-12
Video
Color
Video
Commands
Bar
Command
Modes
The
video
commands
video
and
scroll
This
command
monochrome
useful
for
adjusting
the
view
To
1.
TypeC
2.
Press
The
different
the
screen.
nition,
The
number
Application
display
Table
MODE
NUMBER
0
1
2
3
4
S
6
7
D
E
F
10
11
12
13
characteristics.
3-1.
(color)
(color)
(color)
(color)
(color)
(color)
tcolor)
(monochrome)
(color)
(color)
(monochrome)
(color)
(monochrome)
(color)
(color)
modes.
displays
monitor,
the
bars:
color
ENTER.
video
dot
of
lines,
programs
Video
Modes
DISPLAYABLE
COLORS
16
16
16
16
4
4
2
4
16
16
4
4o0r16
2
256
256
are
used
a
series
the
bars
brightness
modes
determine
resolution
and
number
can
change
Table
3-1
.
.
to
display
of
colors
in
appear
and
as
a
contrast
the
determines
of
colors
resolutions
lists
the
RESOLUTION
40 x 25
40 x 25
80 x 25
80 x 25
40
x
25
40
x
25
-
80
x
25
80
x
25
40
x
25
80
x
25
80
x
25
80
x
25
640 x 480
640 x 480
320
x
200
a
color
the
form
gray
scale.
of
the
number
the
sharpness,
in
the
to
provide
typical
text
text
text
text
text,
text,
text,
text,
text,
text,
text,
text,
VGA
VGA
VGA
VGA
320
320
640
720
320
640
640
640
bar
pattern
of
a
bar
This
video
of
dots
display.
video
x
200
x
200
x
200
x
350
x
200
x
200
x
350
x
350
or
set
graph.
command
monitor.
to
produce
character
different
modes.
graphics
graphics
graphics
graphics
graphics
graphics
graphics
graphics
the
On
a
is
on
defi-
Scroll
Modes
Operation
Scroll
modes
available:
modes
*
*
are
SO
(Software
mode
is
line
increments.
S1
(Hardware
tons
software.
available
provide a faster
single-line
*
S2
(Smooth
scrolls
in
smaller
determine
Scroll
Jump
Mode)
in
Mode
scroll
how
all
Scroll
S1
rate
increments.
Scroll
Mode)
increments
information
is
used
by
video
modes.
is
is
used
than
only
Mode)
to
is
with
mode
used
provide a smoother
scrolls
on
the
PC-compatible
The
display
not
compatible
video
modes 3 through 6 to
SO.
The
display
with
video
mode
appearance.
screen.
software.
scrolls
in
with
scrolls
6.
The
Three
This
single-
all
applica-
in
display
Page 45
3-13
User
Tests
The
Monitor
test
menu,
following
CHOOSE
1.
DISK
2.
3.
BASE
4.
EXTENDED
S.
POWER-UP
6.
EXIT
ENTER
To
run
a
exception
detected
is
To
stop
a
to
return
EXIT
to
return
All
tests,
except
following:
the
SAMPLE
program
type
menu
ONE
KEYBOARD
MEMORY
YOUR
test,
type
of
the
the
or
test,
to
the
TEST
TEST
appears:
OF
READ
TEST
TEST
MEMORY
TEST
CHOICE:
the
keyboard
test
press
the
test
menu.
to
the
for
the
contains
at
the
THE
FOLLOWING:
TEST
TEST
number
test,
halted.
is
ESC
There
Monitor
keyboard
TEST
five
user-selectable
Monitor
that
corresponds
each
test
key
once.
you
prompt.
test,
COUNT = x
prompt
continues
Press
can
select
display
and
the
another
a
test
tests.
press
to
the
to
ESC
count
To
ENTER.
test.
run
untl
key
a
test
access
The
With
the
an
second
or
select
similar
the
error
time
to
TYPE
If
an
error
appears
Disk
track
the
actually
on
Read
O
on
drive
load
you
formatted
Successful
from
the
disk.
memory
with
Keyboard
keyboard.
scan
code
Valid
each
tested:
ALT
CAPS
LOCK
CTRL
ESC
NUM
LOCK
PAUSE
PRINT
SCREEN
SCROLL
—
SHIFT
<ESC>
TO
is
detected
display.
the
Test
—
This
the
test
drive.
want
to
the
operating
disk
in
the
completion
If
the
computer
related
or
Test
—
This
entries
time
a
LOCK
ABORT
during
test
To
test.
drive.
of
this test
control
test
display
key
is
the
test,
continuously
change
(It
system.)
is
not
the
necessary
To
only
still
fails
circuits.
checks
an
the
ASCII
pressed.
information
reads
test
drive,
for
run
the
test
indicates
to
boot,
that
problems
operation
character
The
following
about
the
the
first
manually
the
boot
you
must
the
drive
of
most
or
symbol
keys
cannot
error
sector
of
boot
from
operation
have
can
could
exist
keys
on
and
a
be
to
a
read
the
key
Operation
Page 46
3-14
The
TM-3600
scan
codes
Base
Memory
all
memory
video
memory.
While
the
When
the
patterns
Technical
for
in
test
test
are
displayed
Reference
the
computer.
Test — This
the
first
megabyte
is
running,
reaches
the
on
test
an
audible
video
the
screen.
Manual
performs a fast
of
memory
contains a detailed
the
system
clicking
sound
area, a series
march
memory
can
listing
algorithm
map,
including
be
heard.
of
moving
of
on
Disk
Drives
Extended
algorithm
area.
Power-Up
used
Crystal
Interrupt
DMA
Disk
Timer 1 interrupt
CPU
ROM
RAM
The
computer
tion
of
720K,
1.4M,
360K,
1.2M,
Memory
on
all
Since
no
Test — This
during
startup.
frequencies
controllers
controllers
drive
controller
the
following:
3.5-inch
3.5-inch
5.25-inch
5.25-inch.
video
supports
Test — This
installed
memory
memory
test
This
test
up
test
above
exists
in
continuously
checks
to
two
the
floppy
performs
the 1 megabyte
this
following
disk
area,
no
repeats
drives
the
same
fast
base
patterns
the
circuits:
in
appear.
power-up
any
combina-
'
march
memory
tests
Operation
IMPORTANT
The
computer
troller
are
MS-DOS
need
such
The
and
provided
available:
*
150M
¢
320M
to
as
Owner’s
care
only
another
use
XENIX.
Manual
of
both
also
supports
with
the
recognizes
controller
contains
floppy
and
up
to
two
computer
primary
the
type,
more
hard
disk
hard
disk
supports
controller
obtain
information
ESDI
different
a
drives.
drives.
in
concerning
The
drives.
computer.
the
operating
Two
disk
con-
models
you
If
system
operation
Page 47
3-15
Keyboard
The
computer
3-6.
The
keyboard
software
compatible
Figure
The
in
board.
programmability.
3-6.
keyboard
the
following
Detailed
comes
features
operation
101-Key
contains
Keyboard
paragraphs.
information
with a 101-key
auto-repeat,
The
keyboard
(refer
to
Chapter
five
key
groups.
Figure
on
3-7
the
keyboard
keyboard,
audible
6).
These
locates
as
is
configurable
groups
these
is
in
illustrated
feedback,
for
are
described
groups
the
on
Owner’s
in
Figure
and
XT-
or
briefly
the
key-
Manual.
AT-
Figure
3-7.
L
;
TYPEWRITER
NOTE:
Monitor
programs
Typewriter
keys
in
are
this
The
program
can
arranged
block:
Key
Groups
4
1
BLOCK
keyboard
redefine
Block — These
functions
functions
the
in a standard
FUNCTION
BLOCK
|
4
SCREEN
CONTROL
KEYS
described
only.
Operating
operation
are
the
QWERTY
in
this
systems
of
individual
primary
layout.
CURSOR
CONTROL
KEYS
section
alphanumeric
There
and
keys.
are
apply
application
UMERIZ
s
to
keys.
two
groups
|
Y
\
The
*
Alphanumeric
keys
include
letter,
numeric,
punctuation,
and
space
keys.
Operation
Page 48
3-16
e
Control
backspace,
keys
caps
include
lock,
control
and
the
(CTRL),
enter/return
alternate
(ALT),
keys.
tab,
shift,
Numeric
Activating
these
off,
is
SHIFT
The
SHIFT
LOCK
Screen
ating
recognize
instead.
key
key
system
Cursor
software
numeric
the
on
Function
system
F11
and
or
F12
or
SCROLL
operation.
Control
these
Control
packages
application
Keypad — These
key
LOCK
NUM
the
the
when
but
not
may
instead.
These
program.
Monitor
keys
cursor
operation
NUM
These
—
program.
use
These
—
recognize
key
from
perform
keys
affects
key
active
is
application
or
keys,
keypad
Block
The
keys.
LOCK
Keys
Keys
—
keys
provide a numeric
keypad
the
turns
screen
and
the
of
active,
is
LOCK
functions
key
Older
functions
the
control
keys
these
functions
software
Older
program
this
recognizes
group.
on.
movement
LOCK
NUM
it
are
software
the
on
cursor
keys,
defined
are
may
entry
When
functions.
key.
reverses
defined
packages
numeric
movement.
the
use
but
the
by
recognize
not
PRINT
the
keypad.
LOCK
NUM
the
If
NUM
the
the
by
may
keypad
functions
operating
SCREEN
oper-
not
Older
the
Operation
Page 49
Chapter
4
Architecture
This
chapter
The
Z-386/xx
address
and a proprietary
to
separate
devices
(shown
major
explains
computers
and
data
functional
control
on
functdonal
page
system
4-2)
blocks,
the
busses.
32-bit
bus.
circuit
operations
is a diagram
and
Functional
operation
are
It
supports
busses.
of
major
80386-based
expansion
The
computer
blocks.
Custom
and
of
the
the
circuits
computers
using
uses
several
gate
arrays
bus
interfaces.
computer,
Theory
in
the
computer.
using
32-bit
the
16-bit
AT
internal
and
Figure
illustrating
busses
logic
4-1
the
bus
Page 50
4-2
Figure
4-1.
2-386/xx
RAM
HT
TAG
AND
COMPARATOR
CACHE
A
Functional
Diagram
CONNECTOR
LER
ORIVE
I
UPDATE
1
BUFFERS
CACHE
—f
CONTROI
l
TR
CACHE
CONNEC
ADORESS
CACHIE
BITS
BITS
HGH
LOW
4
NULTPLEXERS
cPU
CONTROL
NPU
CACHE >
ADDRESS
-
BUS
ADDRESS
SNOOP
-
CUNIROL
LINES
>
1
BUS
BUS
ADDRESS
DATA
PROCESSOR
PROCESSOR
1aT
CACHE
comnm_l
[
J—
CONTROLLER
e
sysitm/cacue
LoCLx
WRITE
QuiuE
HIT
CACHE
BUFFERS
CONTROL
DATA
CONTROL
PROCESSOR
SNADL
|-
RoCLK
CONTROL
|
DoCYCLE
BUS
DATA
QUEUE
MEMORY
BUS
DATA
QUEUE
1
l
BUS
CONTROL
QUEUE_ADDR
PARITY
BUFFERS
CONTROLLER
BUS/MEMORY
S
S
LLLU
UL
DATA
BUFFERS
SYSTEM
RAS
PLEXERS
SWAP
ONTROL
LOGIC
ENABLE
BANK
ICOOH'ROt
SWAP
CAS
Loac
ADDRESS
7
BUFFERS
SYSTEM
BUFFERS
SYSTEM
ADORESS
DATA
SYSIEM
CONNECTORS
(BUS)
EXPANSION
SYSTEM
ACE
IRQ
CONNECTORS
DACK
(BUS)
|oreo.
[XPANSION
ec
SYSTEM
VIDEO
CONTROLLER
PORT
PARALLEL
PORTS
S(fl!AL
NIERRUPT
CONTROUWERS
DNA
CONTROULLERS
YBOARD
KE
[
ADDRESS
BUFFERS
]
NNERS
INTERNAL
CONIROL
YSIEM
XA
[
)
[
l
——5—
PROCESSOR
3T
SIGNALS
SELECT
I
DECODER
1/0
Functional
Theory
Page 51
4-3
CPU
Circuits
The
CPU
and
the
interface
board.
main
Figure
4-2.
NPU
(OPTIONAL)
RST
1
I
|
:
WRITE
QUEVE
circuits
control
to
CPU
Circuits
STATUS
the
other
PROCESSOR
S
e
/CONTROL
PROCESSOR
PROCESSOR
ROCLX
operation
bus
devices.
ADDRESS
BUS
DATA
BUS
ADDRESS
NPURST
:
of
the
CPU
These
circuits
3 I
U
ROY
RST
'
T
BUS
T
|
i
[ |
i
i
i
i
2
SYSTEM/CACHE
CONTROWLER
RC
on
the
processor
are
located
-
]
—
bus
on
the
CACHE
ADDRESS
MULTPLEXERS
i
—_—
-
i
-CPu
!
—
r—
CWRBLCH
CWRBOE
-
i
-
CROBOE
i
_
~
CACHE
==
auFreas
:
N
CPU
—
The
the
write
queue,
cache
the
with
NPU
—
The
culations
The
3167
for
Write
16
the
80387
operates
additional
Queue
instructions
controlled
cessor
instructions
CPU
executes
controls
memory.
optional
would
slow
NPU
operates
independently.
information.
—
The
from
the
by
the
system/cache
are
program
or
directs
numeric
down
under
queue
CPU
passed
instructions,
NPU
coprocessor
normal
CPU
control
Refer
to
the
is
a
custom
for
execution
controller.
directly
to
operations,
supports
operations.
of
the
CPU.
Technical
logic
device
later.
If
the
queue
the
queue
sends
instructions
and
math
The
Reference
that
Queue
is
bus.
interfaces
intensive
Weitek
WTL
Manual
stores
up
operation
disabled,
to
cal-
to
is
pro-
Functional
Theory
Page 52
System/Cache
queue
to
troller
the
the
operations,
the
cache.
and
the
rest
of
the
controller
Controller — This
bus/memory
It
also
generates
write
queue
form
system.
will
not
If
cache
perform
custom
controller
the
CPU
and
what
appears
memory
normal
is
cache
gate
array
operations,
NPU
as
not
installed,
operations.
and
reset
signals.
the
CPU
controls
the
interface
This
interface
or
is
disabled,
write
con-
for
Memory
Circuits
System
reset
also
The
memory.
and
are
System/Cache
ends
Bus/Memory
memory
CAS
memory
Data
queue
parity
Multiplexers — Use
troller
write
Control
signal
the
generates
memory
CAS
located
cycles
signals,
Latch — The
enable
circuits
They
signals,
on
and
control
and
data
and
memory
errors.
to
develop
signals.
latches
Processor
system/cache
the
A20GATE
develop
and
the
main
Controller — This
controls
Controller — This
functions.
provides
data
data
the
allow
read
check
board.
the
the
and
the
latch
busses,
the
memory
(SCP) — The
controller
signal.
the
computer
and
write
for
and
operation
It
generates
memory
system
buffers
performs
MUX
signals
address
uses
to
control
report
parity
custom
of
the
custom
memory
addresses.
address
the
data
parity
from
lines.
SCP
generates
to
generate
read
from
signals,
errors.
gate
array
bus/memory
gate
array
read,
It
also
and
data
passing
checks,
the
bus/memory
They
also
the
CPU
and
store
generate
These
starts
controller.
performs
write,
RAS
controls
latches.
between
and
reports
develop
warm
reset.
It
data
in
RAS
circuits
and
most
and
the
the
con-
the
RAS
Decoder — This
signals
troller.
CAS
individual
bus/memory
from
Decoders
CAS
bank
enable
—
These
signals
controller.
using
is a custom
and
are 3 to 8 decoders
RAS
CAS
PAL
signals
and
bank
that
from
develops
the
bus/memory
that
develop
enable
signals
individual
the
from
the
RAS
con-
Functional
Theory
Page 53
Local
Memory
memory
latches,
Figure
4-3.
SYSTEM
CONTROLLER
modules.
address
the
Main
/CACHE
—
On
the
main
sockets
The
multiplexers,
Memory
Circuits
board,
connected
are
and
8
sockets
decoders.
the
to
are
the
memory
available
for
data
DCCYCLE
QUEUE
DATA
Y
BUS/MEMORY
CON
.
|
L
BANKENO-2
i i
BUS
|
l
PARLCH
—LOCALM
- )
LLI
MUX0=9
|
BUS
RAS
il
BUS
CAS
PR
>
:
H
MEMORY
DATA
LATCH
MEMORY
—
ORIVERS | ma0-2
i
.
_—
|
-
DECODER | _paso-7
-
DECODER
=
S
RAS
3-8
cas
i
-CAS
BUS
PARITY
BUS
DATA
BUS
sus
i
|
LOCAL
{(MAIN)
RAEMC'RY
A[ 3}
i
Functional
Theory
Page 54
4-6
Cache
Memory
Circuits
These
circuits
allow
data
sons,
and
located
memory
memory
Figure
4-4.
PROCESSOR
3
l
o
=
L
2
SYSTEM
/CACHE
e
|
report
on
is
and
ADORESS
|
I
control
to
move
the
main
a
small
the
Cache
BUS Cel
in
cache
board,
amount
CPU
Memory
$4008
H
—coy
OROCESSOR
CACHE
-CDADLEH
access
and
hit
to
out
and
the
of
which
stores
Circuits
CACHE
ADDRESS
MULTIPLEXERS
A00RESS
i
! 1
E |
DATa
wIT
-
-
CwR80E
—CROBCE
QUEUE
cache
memory,
of
cache
miss
status.
cache
itself
high-speed
frequently
CACHE
CONNECTOR
'
BUS
!
|
l
I
!
[
DATA
Bus
memory,
The
is
a
memory
used
e
’
.
CACHE
wooess
BUFFER
—_—
cacre
BUFFERS
e
if
it
is
installed.
make
control
plug-in
between
data
HIGH
BITS
Al
[
LZET
|
T
-
They
data
comparicircuits
card.
are
Cache
main
for
the
|
SACHE
|
coupamaor
g
—F
g%
>
BUFFERS
CPU.
TAG
Aau
]
DATA
RaAM
|
:
|
|
I
|
Functional
Theory
CPU — The
CPU
and-comparisons.
System/Cache
cache
data
and
update
controls
Cache
actual
Cache
the
Cache
and
cache
Tag
values
Data
CPU.
Comparator
notifies
operations
RAM
stored
RAM — This
the
system/cache
provides
local
address
Controller — This
—
This
in
buffers,
the
—
and
including
memory
cache
data
RAM
stores
The
comparator
the
reads,
stores
controller
information
controls
cache
the
address
writes,
data
tags
RAM.
the
actual
performs
if a cache
for
cache
operation
buffers.
hits,
and
to
identify
data
values
cache
comparisons
hit
occurs.
reads
of
the
It
also
misses.
the
used
by
Page 55
4-7
ROM
The
MFM-300
tains
the
by
control
Figure
start-up
signals
4-5.
ROM
Monitor
ROM,
instructions
generated
Memory
WRITE
QUEUE
QUEVE
DATA
8US
SYSTEM
DATA
BUFFERS
Swap
BUFFERS
located
for
the
by
the
Circuits
RDCLK
LDCLK
)
L
[
j
|
|
on
the
parallel/serial
computer.
bus/memory
~BUSRD
—MEMR32
Swap
CONTROL
QUEUE
ADDRESS
The
ROM
controller.
SYSTEM
/CACHE
CONTROLLER
oocyce
—_l_
I
|
sus/memory
CONTROLLER
|
-
e
8US
[}
ADDRESS
DORES:
SUFFERS
card,
is
accessed
!
’
!
|
l
'
|
|
i
_
:-A_E
,._’
I
con-
SAEN
—csaR0
Write
the
address
System/Cache
write
Bus/Memory
system
signal
Swap
buffers
Queue
write
bus.
queue
data
that
Buffers
build
queue
enables
‘
Y.
14
—
Under
makes
Controller
and
the
Controller
and
address
the
—
Under
larger
4
M
DATA
e
s
the
control
address
bus/memory
—
buffers.
ROM.
control
data
words
|
|
N
l
Ot
CE
MFM-300
ROM
|
i
|
of
the
information
—
This
controls
controller
This
controls
It
also
generates
of
the
bus/
for
system
XA=16
system/cache
available
the
memory
cycles.
P
ADDRESS
the
operation
operation
the
I
i
controller,
to
the
system
of
the
of
the
memory
controller,
read
these
Functional
Theory
Page 56
4-8
PMord
ROM
The
password
circuit
Figure
Password
password.
is
4-6.
System
don
of
the
and
write
data
serial
ROM
located
Password
SCP
ROM
Control
password
lines
for
the
from
stores
on
the
parallel/serial
ROM
NVCS
NVCLK
NVDAT
—
Tl;e
1024-bit
Processor
ROM.
the
ROM.
ROM.
the
system
Circuit
(SCP)
The
SCP
It
sends
password,
card.
serial
ROM
—
The
provides
serial
stores
SCP
clock
data
if
one
is
PASSWORD
ROM
-
the
controls
signals,
to
the
ROM
used.
system
the
opera-
and
and
This
read
reads
Functional
Theory
Page 57
The
system
resources
Figure
in
4-7.
memory
the
computer.
Memory
4G
map
Map
SYSTEM
provides
a
ROM
broad
BIOS
overview
of
memory
4-9
64M
|
™
640K
L
}
!
,
|
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(/
(
ADDRESSABLZ
ROM
BIOS
CUSTOM
EMS
ADD-ON
EGA/VGA
CGA
MONOCHROME
HIGH
EGA
WTL-3167
EXTENDEZ
JSER
MEMORY
.
SULSH
RESERVED
/VIDEQ
PAGE
FRAME
OPEN
CARD
VIDEO
VIDEO
VIDEO
RESOLUTION
VIDEO
USER
RAM
AREA
AREA
SLUSH
ROM
ROM
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C000:
0000
10000:
0000
F100:
0000
F000:
0000
£C00:
0000
D000:
0000
CAQ0:
0000
C800:
000C
€000:
0000
B880C.
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A00C:
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INTERRUPT
VECTORS
|
0040:
0000:
Functional
0000
0000
Theory
Page 58
4-10
Peripheral
I/0
Operations
Circuits
These
circuits,
to
communicate
serial
and
interrupt
This
tmer
Figure
and
group
functions,
4-8.
—
|
/0
DECODER
located
with
parallel
of
ports.
timer
circuits
and
I/O
Operation
|
on
the
parallel/serial
devices
They
such
are
functions.
handles
the
communicates
Circuits
Z00RZSS
as
also
DMA,
RES
;
DATA
the
keyboard,
used
interrupt,
the
with
Bus
BUS
card,
allow
disk
for
functions
real-time
keyboard.
—
IASDYDSRTEEMS
—BUFFERS
S
SYSTEM
|
DATA
BUFFERS
'
the
computer
drives,
such
clock,
3
etm
!
|
i
'
or
as
DMA,
the
SYSTEM
B8uUS
-CS42
~INTA
DMA
CONTROLLERS
-
DREQ
INTR
DACK
INTERRUPT
CONTROLLERS
TIMER
.
REAL-TIME
CLOCK
SYSTEM
CONTROL
PROCESSOR
XA2
,
;
1
RO
|
[}
|
!
IRQ
BUS
'f
'
:
__—scPrz
.
.
;
i
|
’
i
KEYBOARD
Functional
Theory
Page 59
4-11
Communications
Integrated
DMA
controllers,
real-time
*
Interrupt
*
DMA
*
DMA
*
Interrupt
*
Interrupt
System
information,
warm
I/0
the
These
parallel
allel/serial
They
Dual
contains
ports
clock.
request
acknowledge
Control
signal.
reset
Decoder
system
address
€ircuits
port
or
also
provide
Asynchronous
all
control
and
one
Peripherals
two
interrupt
It
connects
request
request
acknowledge
develops
in
serial/parallel
parallel
(IRQ)
(DREQ)
(INTR)
Processor
—
The
lines
control
the
computer.
control
circuitry
(DACK)
(INTA).
the
keyboard
decoder
(SAO
communications
signals
Communications
port.
Controller
controllers,
directly
conversion
(except
(SCP)
is
a
-
SA9)
They
for
to
—
interrupt,
custom
and
provide
parallel
drivers)
(IPC)
—
the
interval
the
following
The
SCP
and
logic
develops
with
two
control,
for
serial
communication.
Element
to
support
The
IPC
contains
timer,
signals:
processes
generates
device
serial
that
SCP
select,
ports
tming,
communications.
—
two
keyboard
the
decodes
and
and
This
element
serial
and
CS542.
two
the
CPU
one
par-
I/0
Decoder
the
system
dual
the
2-4
Decoder
for
the
Serial
card
and
—
This
address
ACE.
communications
Board
provides
lines
—
This
%.This
the
second
decoder
decoder
channels
external
(SAO
is
—
develops
board
serial
a
custom
SA9)
from
port
logic
and
develops
the
individual
XA7,
XA8,
connects
connector.
device
to
that
a
select
select
and
CSIO.
the
parallel/serial
decodes
signal
signals
for
Functional
Theory
Page 60
4-12
Figure
4-9.
Communications
ic/O
DECODER
XA7-XA8
tXAO-)(A';
Circuits
ADDRESS
DATA
BUS
3US
DUAL
ACE
SERIAL
CHANNEL
R
L
2
'
EHANREL
PARALLE
PARoRT
1
o
'
]
P
=——=
|
'
|
:'—J
|
[
SYSTEM
ADDRESS
BUFFERS
KDORESS
BUFFERS
i
‘
_——]
SERIAL
PORT
1
SERIAL
BOARD
PARALLEL
BOARD
'
—
|
'
SysSTe™
8us
-
=CsIio
2-4
DECODER
f———
CoM1
coM2
P
‘
1.8432
MHZ
Functional
Theory
Page 61
413
Video
Disk
Controller
Controller
Card
Card
The
video
card
VGA
display
CGA,
EGA,
operates
There
a
four-position
not.
Some
opdon.
in
The
ESDI
implement
maximum
two
¢
*
*
The
over
is
a
single
models
Refer
this
manual
controller
hard
disk
the
data
drives
floppy
360K
5.25
1.2M
5.25
720K
3.5
1.44M
3.5
disk
controller
supports
mode.
MDA,
inch
It
and
AT
the
15-pin
dip
switch
of
this
to
the
manufacturers
for
installation
card
provided
drives
standard
transfer
in
inch
inch
inch
card
a
maximum
provides
HGC
(Hercules)
bus.
31KHz
to
computer
and
two
ESDI
rate
is
combination
any
operates
256K
of
-
analog
set
the
default
are
shipped
instructions
and
configuration
with
the
floppy
interface
10
Mbits/sec.
over
resolution
display
display
RGB
computer
disk
with
the
of
the
of
640
memory,
modes.
connector.
display
without
and
information.
supports
drives.
AT
Both
a
1:1
interleave.
The
floppy
following:
bus.
mode,
any
Chapters
x
480
pixels
and
emulates
The
video
Some
cards
others
installed
2
up
to
hard
disk
The
ports
address
card
do
video
and
two
ports
in
use
6
Custom
Power
Logic
Supply
A
custom
flip-flops.
tasks
perform
¢
Coprocessor
*
Memory
*
I/0
¢
DMA
Do
level
.
The
logic
Programming
in
the
decoding
decoding
control
not
attempt
hazards
internal
outputs:
*
+5VDC
e
-5VDC @ 0.3A
*
+12VDC
*
-12VDC @ 0.3A
The
power
generate
the
device
computer.
or
control
control
@
supply
and
to
service
even
when
200-watt
21A
@
7.5A
develops
main
reset
is
usually
combines
Most
custom
control
functions:
decoding
the
power
disconnected.
switching
the
signal.
an
array
of
AND
these
elements
logic
devices
(read/write/RAS)
supply.
power
sSACOK
(Refer
supply
and
to
“Reset”
It
contains
provides
sDCOK
gates,
to
perform
in
this
signals
later
in
OR
gates,
and
specific
computer
high-energy
the
following
used
to
this
chapter.)
Functional
Theory
Page 62
4-14
Bus
Descriptions
The
following
used
in
sections
the
computer.
describe
the
major
address
and
data
busses
Processor
Bus
The
bi-directional
connections
queue.
Address
numeric
and
the
and
Al
Data
coprocessor,
cache
Control — The
from
the
PWR — Processor
pDC — Processor
PMIO — Processor
PRDY — Processor
PLOCK — Processor
PADS — Valid
RDYWTK
RDY387 — 80387
for
the
The
bus
resides
Bus — The
coprocessor,
cache
address
are
generated
Bus — The
the
write
data
buffers.
CPU.
The
—
Weitek
control
processor
CPU.
It
on
the
processor
the
write
buffers.
by
the
processor
queue,
It
consists
lines
control
write/read
data/code
memory/IO
cycle
cycle
address
information
coprocessor
coprocessor
bus
provides
is
isolated
main
board.
address
queue,
It
includes
bus/memory
data
bus
the
system/cache
of
pDO - pD31.
direct
the
signals
complete
cycle
cycle
lock
consist
cycle
control
ready
ready.
address,
from
the
bus
connects
the
system/cache
address
controller.
connects
flow
of
of:
data,
and
main
bus
by
the
controller,
lines
pA2 - pA31.
the
CPU
to
controller,
information
control
the
CPU
the
numeric
and
to
write
to
the
the
and
AO
Queue
Bus
The
bi-directional
two
posted-write
Address
memory/bus
QA2 - QA31
Data
memory/bus
buffers,
Bus — The
controller
Bus — The
controller,
and
the
Control — The
and
from
the
queue.
lines
into
and
out
consist
of:
QW/R — Queue
QD/C — Queue
QM/I0 — Queue
RDCLK — Queue
LDCLK — Queue
ADL — Latches
QACOE
QDOEB
QDOEC
—
—
—
Queue
Queue
Queue
queue
arrays
queue
queue
memory
control
They
of
the
write/read
data/code
memory/IO
read
load
address
address
data
data
bus,
located
with
the
address
and
the
system
data
bus
the
system
data
buffers.
lines
direct
also
control
queue
and
cycle
cycle
control
control
information
output
buffer
buffer
on
rest
of
bus
address
connects
data
It
the
the
the
system
cycle
through
control
output
output
the
main
the
system.
connects
buffers.
the
queue
buffers,
consists
writing
control
control.
and
latching
bus.
board,
the
queue
It
to
the
cache
of
QDO - QD31.
reading
of
address
Control
the
queue
connects
to
the
consists
the
update
of
data
and
signals
the
of
to
data
Functional
Theory
Page 63
"
Cache
Bus
This
bi-directional
system/cache
bus,
located
controller
to
the
on
the
cache
main
board,
buffers
and
connects
the
cache
4-15
the
connector.
System
Bus
Address
buffers
Data
the
CD31.
Control
for
and
following:
This
the
Address
buffers
It
to
Bus
cache
this
bus.
data
CPU
—
CUDOEN
CUDLCH
CWRBLCH
CWRBOE
CRDBOE
is
a
bi-directional
system
to
consists
Bus
—
the
cache
—
The
update
—
The
These
buffers
Cache
—
Cache
—
Cache
—
—
Cache
—
Cache
address
Bus
—
the
expansion
of
sAO
—
The
cache
address
connector.
cache
data
buffers
system/cache
and
address
Cache
The
sA16,
to
signals
the
cache
latch
update
update
write/read
write
read
bus,
and
data
system
bus
and
the
control
data
latch
buffer
buffer
located
buffers
address
connectors
sLA17
bus
It
consists
bus
connects
cache
connector.
controller
the
operation
update
buffers.
control
latch
direction
buffer
output
output
on
the
to
the
bus
and
-
sLA25
connects
of
CAO
the
cache
develops
They
enable
control
latch
control
enable
enable.
main
board,
expansion
connects
the
snoop
and
the
-
CA25.
It
consists
all
of
the
include
bus
the
sLA31.
cache
address
hit
buffers
of
required
cache
address
the
that
connects
slots.
system
address
and
CDO
-
signals
address
buffers.
Data
Bus
the
crossover
Control
troller
develop
ALE
—
HOLDA
sHOLDA
BUSRD
BWDOEL
BWDOEH
BWDOE
BRDLO
—
The
buffers
—
The
the
System
—
System
—
Bus
—
Bus
—
Bus
—
Bus
—
Bus
-
BRDL3
system
system/cache
signals
address
hold
data
data
—
data
and
the
that
latch
hold
acknowledge
acknowledge
buffer
data
write
data
write
write
Bus
read
expansion
control
output
bus
connects
controller
control
the
enable
low
byte
enable
high
byte
enable
byte
latch
the
bus.
It
and
the
bus.
enable
control.
system
consists
These
data
of
bus/memory
signals
buffers
sDO
—
include:
to
sD31.
con-
Functional
Theory
Page 64
4-16
Efxtended
DMA
Bus
Bus
This
bi-directional
system
Address
address
communications
Data
the
tions
Control — The
signals
*
e
¢
The
the
directional.
DMA
directly
use
DREQS - DREQ?.
bus
to
the
Bus — The
buffers
Bus — The
IPC,
the
SCP,
element.
to
DMAAEN
SAEN — System
RDXD8 — System
DMA
DMA
Request
to
this
control
—
bus,
request
the
bus
to
It
located
system
initiate a DMA
bus,
located
major
devices
extended
to
the
IPC,
the
element.
extended
the
consists
extended
the
System
bus,
Bus — This
It
Monitor
of
address
movement
address
data
bus
data
buffer
on
the
and
the
expansion
on
the
parallel/serial
on
the
I/0
card.
address
Monitor
consists
data
bus
ROM,
XDO - XD7.
of
buffer
enable
direction
bus
ROM,
of
XAO — XA23.
connects
and
the
bus
uses
bus
information:
direction
control.
three
parallel/serial
DMA
acknowledge
is
an
input
bus
bus.
Devices
cycle.
It
consists
card,
connects
and
the
asynchronous
card,
to
the
requesting
of
the
the
asynchronous
system
primary
control
consists
bus.
Neither
IPC,
connecting
DREQO - DREQ3
extends
system
data
buffer,
communica-
control
of
two
bus
DMA
services
the
parts:
is
bi-
-
and
Interrupt
Latched
Address
Request
Bus
Bus
DMA
Acknowledge
grants a DMA
requesting
the
IPC
to
the
cycle,
device
system
DACKO - DACK?7.
Control — The
the
operations
This
is a one-way
sion
bus
IRQ1,
IRQ3 - IRQ7,
The
latched
extended 7 bits
the
system
page
register.
on
to
the
IPC
address
of
expansion
It
consists
XREF.
Bus — When
the
that
the
expansion
hold
request
this
bus.
input
and
and
bus,
the
AT
bus
IPC
uses
this
DMA
operation
bus
through a buffer.
and
hold
bus
to
the
IPC.
resides
on
the
IRQ9 - IRQ15.
located
address
to
of
on
the
bus.
the
system
LA17 - LA23
the
system/cache
output
bus
to
notify
can
begin.
This
acknowledge
It
connects
parallel/serial
signals
the
card.
parallel/serial
This
bi-directional
address
and
buffers
is
controlled
controller
the
bus
connects
It
consists
system
of
control
expan-
It
consists
card, carries
bus
connects
and
the
DMA
by
LREF
and
of
the
Functional
Theory
Page 65
4-17
Unique
Characteristics
The
increase
Slushware
(OEOOOH
BIOS
during
tion
Cache
Access
memory.
data.
The
request
The
data
allowed
the
data
or
Write
for
deep,
Z-386/xx
information
system
in
slushware
—
Memory
system/cache
cycle.
cache
is
not
cache
size
direct-mapped,
Queue
up
to
transparent
computer
its
performance
—
Slushware
-~
OFFFFFH)
powerup
The
cache
(SRAM)
It
provides
If
the
supplies
in
the
cache,
to
continue.
is
updated.
requested
—
16
write
instructions.
FIFO
uses
and
is
is
used
for
installed
and
reduces
controller
this
design
Two
data
is
a
small
residing
fast
local
data
is
in
data
then
The
requested
The
cache
by
the
CPU.
using
posted-write
latch/buffer.
several
innovative
capabilities.
a
reserved
to
store
video
write-protected.
access
amount
berween
storage
checks
the
to
the
a
“cache
always
The
a
posted
The
area
the
cards.
time.
of
for
cache
cache,
a
CPU
and
miss”
data
is
reads
cache
write-through
gate
arrays
queue
of
BIOS
This
Storing
high-speed
the
frequently-accessed
memory
“cache
the
occurs
retrieved
32-bits,
is
a
is
a
design
system
ROM
information
information
the
Static
CPU
and
on
each
hit”
has
cycle
is
and
for
regardless
one-way
architecture.
provide
66-bit
wide,
concepts
memory
is
copied
BIOS
informa-
Random
system
code
CPU
occurred.
stopped.
the
cycle
the
CPU
and
of
set
associative
storage
space
16-location
that
and
and
data
If
the
is
the
The
CPU
operates
Wwrite
queue
stores
instructions
trolled
write
frees
the
queue.
Bus
controller.
cache.
On
information
address
cycles
the
by
the
queue,
the
CPU
system
Thus,
Snooping
each
system
is
in
to
update
cache,
the
bus.
Bus
on
a
local
is
positioned
issued
system/cache
then
completes
to
continue
This
allows
the
80386
pipeline
—
This
function
snooping
write
to
the
the
cache,
the
cycle
is
cycle,
cache
where
the
information
continues
bus,
separate
between
by
the
the
CPU.
controller,
the
operation
with
other
the
computer
mode
is
performed
used
to
maintain
the
system/cache
a
comparison
controller
in
the
without
from
the
two
busses.
The
bus/memory
fetches
operations
is
interrupts
cache.
interruption.
instructions
on
the
system
without
to
pipeline
not
used
by
the
the
accuracy
controller
takes
the
If
the
system
The
bus.
write
controller,
from
bus.
waiting
bus
cycles
in
this
computer.
system/cache
of
data
routes
place.
If
the
cycle
and
address
is
The
queue
con-
the
This
for
in
the
in
the
address
executes
not
in
Functional
Theory
Page 66
4-18
Power-Up
Sequence
Figure
goes
puter
occurs.
410
through
or
a
At
FOOO:FFFO,
sequence.
Figure
4-10.
RESET
Warm
reset
If
true,
1f
faise,
Initiclize
Activate
|
Test
Copy
Copy
‘Test
Initialize
__WARM
Worm
Reiniticlize
TURN=ON
POWER-UP
Test
for
If
true,
If
false,
RAM
ROM
OEM
for
If
nat_present,
If
true.
Video:
VGA/EGA
Monitor
OEM
SCP
RESET
Reset
shows
this
warm
this
time,
where
Start-Up
pulse
test
go
to
WARM
continue
Initiclize
Initiclize
ROM
to
siush
ROM
to
ROM
ENTRY
test
get
reset
operating
LEDS
the
Monitor
procedure
reset
(CTRL-ALT-DEL
the
CPU
the
power-up
Sequence
POWER
ON
RESET
|
Y
ROM
VGA/EGA
CGA
/MDA
|
Y
'
y
creoc
slush
arec
Copy
VGA/EGA
|
y
.
|
A
type.
reset
circuits
|
Y
ROM
each
performs
reset
Clock
ENTRY
ROM
power-up
time
power
or
CTRL-ALT-INS)
an
unconditional
vector
Y
circuits
active
-
sequence.
is
applied
is
located
!
]
|
]
g
5
that
Slushwore
(beep
ana
to
jump
The
ROM
the
com-
sequence
to
starts
this
error
figsn)
Refer
Chapter
1o
7
Functional
~
Theory
Initialize
Test
Clear
Initiglize
Test
|
TURN
ROM
TURN
SCP_reset
for
If
true,
If
false.
vigeo
CPU
OFF
checksum
OFF
Fail,
Pass.
Video:
VGA/EGA
Initiclize
Initialize
screen
RTC
CPuU
ROM
test
BAD
SCP
continue
LEC
test
LED
error
ROM
VGA/EGA
CGA
/MDA
|
'
T
Y
[
y
coge
®
fii
|
|
|
1
!
|
—
:
:
>
S
e
!
Shgoter
Rerer
Chapter
"’w
ic
O
7
Page 67
Figure
Test
Test
Size
Test
Test
Initialize
TURN
Initialize
Initialize
Set
aefault
Initiglize
Fail,
Pass,
Enabie
Test
interrupt
TURN
4-10
(continued).
CMOS
RAM
and
map
Extended
System
RAM
Cache
first
OFF
RAM
SCP
RTC
video
the
keyboard
NUMLOCK
continue
the
keyboord
OFF
INT
all
RAM
16k
LED
mode
timer
LED
memory
of
base
or
keyooard
Start-Up
@
y
memory
T
|
Y
error
Sequence
i
T
>
4-19
Cazcter
e
-
s
Reset
Hardware
Reset
Initighize
__TURN
OFF
Poll
peripneral
Install
Initiclize
Set
operating
Turn
on
[__MONITOR
The
computer’s
start
operation.
a
software
A
hardware
circuit
groups
happens
a
power
When
power
DCOK
signal
goes
active
generate
Qisk
arives
DSK
LED
devices
OEM
ROM
RTC
speed
chache
memory
y
PROMPT
reset
Two
(soft)
reset
and
whenever
failure.
is
applied
(sDCOK)
first,
the
main
—]
et
|
circuitry
methods
reset.
completely
starts
operation
the
computer
to
the
and
causing
reset
the
signal,
AUTOBOOT
returns
are
resets
is
computer,
an
ACOK
control
RESET.
-
the
computer
available:
the
from
turned
signal
buf
a
system.
a
known
on
the
power
(sSACOK).
2
PAL
I
to
hardware
It
initializes
condition.
or
when
supply
The
on
the
main
a
known
(hard)
major
This
it
recovers
develops
ACOK
board
state
reset
from
a
signal
to
to
or
,
The
RESET
and
the
the
CPU
signal,
to
the
system
cards
plugged
When
sDCOK
signal
resets
system/cache
reset
signal,
RSTNPU.
bus
The
as
into
goes
the
controller.
RSTCPU
RESET
SRESET.
the
bus.
active,
it
write
queue,
The
system/cache
and
the
numeric
signal
is
buffered
This
signal
terminates
the
bus/memory
provides
the
reset
contoller
COprocessor
and
inverted,
the
reset
pulse.
Functional
controller,
develops
reset
then
sent
pulse
for
Theory
Page 68
4-20
Software
Bus
Arbitration
Bus
Masters
Reset
A
software
left
alone.
start
When
(SCPRCQ). A software
port
active,
system/cache
reset
Bus
arbitration
busses
without
The
following
operating
A
bus
line
(DREQx).
bus.
hold
(DACKXx)
troller
.
system
reset
The
this
process.
the
SCP
receives
FE.
The
I/O
the
reset
controller
for
the
CPU.
so
essential
disrupting
sections
conditions.
master
The
acknowledge
and
obtains
The
system/cache
on
the
the
bus/memory
bus.
only
resets
CTRL-ALT-DEL
the
key
reset
is
port
generates
CPU
signal
(RC)is
receives
is
the
orderly
system
normal
elements
operation.
briefly
control
IPC
places a hold
controller
(HOLDA).
system
bus.
the
CPU;
all
or
CTRL-ALT-INS
combinadon,
also
generated
fast
reset
placed
this
signal
management
can
discuss
of
The
This
controller
bus
the
bus
request
receives
IPC
then
happens
stop
other
circuits
key
it
generates
if a program
(FRC).
on
gain
arbitration
by
the
while
If
either
the
system
and
generates
of
internal
access
activating a DMA
(HOLD)
hold
request
places
bus
activity
DMA
the
and
memory
combinations
SCP
reset
writes
to
signal
is
bus.
The
the
required
and
external
to
the
system
under
typical
request
on
the
system
and
returns-
acknowledge
system/cache
and
tristate
are
I/O
bus
con-
the
CPU
When
the
requesting
asserts
knows
the
what
bus
bus
microseconds
conflicts
When
This
and
troller.
In
request
puter,
The
and
dons
*
If
with
the
bus
clears
the
the
system
most
computers,
(HOLD)
all
bus
arbitration
CPU
generally
the
numeric
to
this
condition:
If a posted-write
open
spot
in
operation
an
to
the
to
interrupt
system
master
master
to
refresh
master
DMA
bus
the
move
line
cycle
size
access
the
cycles.)
completes
acknowledge,
is
again
the
CPU
and
hold
confines
coprocessor,
occurs
queue.
information
acknowledge
bus
before
sees
the
(MASTER)
to
use.
The
bus.
(This
operation,
hold
under
control
gains
access
acknowledge
is
handled
operations
using
when
the
Access
to
from
cycle
processing
DMA
acknowledge
so
the
requesting
time
period
it
and
of
to
the
(HOLDA)
by
the
system/cache
to
the
the
local
queue
is
the
system
the
system
occurs,
the
interrupt
bus/memory
master
is
necessary
releases
hold
the
write
bus.
full,
the
the
acknowledge
system/cache
bus
using
lines.
queue,
There
the
CPU
bus
is
required
bus
to
CPU
waits
request.
signal,
has
In
controller.
are
it
controller
10 - 15
to
avoid
master
the
memory.
clear,
con-
hold
this
com-
the
cache,
two
waits
for
for
access
line.
excep-
for
this
an
Functional
Theory
Page 69
4-21
'1/0
Refresh
Memory
ROM
Read
Cycles
An
I/O
cycle
on
the
local
When
the
queue
information
controller.
to
start
the
system
identify
The
generates
line
trating
then
bus/memory
Normal
memory.
This
speed
ROM
accesses
bus
the
refresh
a
on
the
the
decoded,
memory
Several
operation
access,
is
copied,
from
begins
bus.
The
reaches
on
the
The
system/cache
cycle.
The
and
drives
device
cycle
refresh
system
bus
and
begins
bus.
and
placing
controller
cycles
different
is
performed
the
Monitor
it
is
the
slush
when
the
CPU
places
write
queue
loads
the
I/0
instruction,
bus
and
identifies
controller
bus/memory
the
I/O
the
I/O
when
request.
The
The
system/cache
returning
the
refresh
sees
refresh,
involve
cycles
when
ROM
write-protected.
area
using
controller
lines.
The
lines
(IOR,
the
IPC
signal
hold
acknowledge.
signal
it
writing
are
involved
the
is
copied
The
normal
address
these
values
it
the
cycle
issues
address
IOW)
on
the
parallel/serial
is
decoded,
controller
on
the
executes
data
to,
in
computer
to
the
computer
memory
and
for
places
for
the
the
DOCYCLE
places
the
lines
indicate
activating
responds
Hold
bus.
When
one
memory
or
reading
these
first
powers
slush
then
read
control
the
bus/memory
are
signals
execution.
address
command
address
on
decoded
the
operadon.
card
the
by
arbi-
acknowledge
the
read
data
from
operations.
up.
To
area.
Once
the
makes
cycles.
ROM
the
to
hold
is
cycle.
On
powerup
.control
the
queue,
identify
executing
on
resistor,
bus
ROMOE,
XA16
XDO
decoder,
bus/memory
The
If
(CUDOEN
Once
there.
information
system
the
the
the
bus.
placing
lines
XAO
enabling
is
active.
-
XD7
determines
system/cache
cache
is
the
cache
the
CPU
starts
on
bus
through
system/cache
cycle.
The
DOCYCLE
The
-
onto
controller
installed,
and
and
extended
the
system
XA16.
the
SAEN
is
the
secondary
the
controller
the
CUDLCH)
has
data,
the
read
the
processor
the
write
queue.
controller,
system/cache
the
bus/memory
address
MEMR32
ROM
driven
data
issues
system/cache
to
the
latches
address
is
combined
for
output.
by
a
data
direction.
RDYBUS
sends
pRDY
move
the
system/cache
cycle
by
placing
bus.
This
Control
and
the
bus/memory
controller
controller
are
enabled
information
with
The
ROM
buffer
to
latch
bus.
CSBRD,
At
the
to
the
to
the
controller
data
into
controller
i
end
system/cache
address
information
signals
starts
on
developed
CPU,
activates
the
go
the
cycle
drives
by
a
extended
LA31
to
is
selected
extended
of
the
cydle,
ending
cache
fetches
controller
produce
control
data
and
passes
pull
to
to
the
write
to
b
MEMR32
down
address
whenever
data
lines
by
the
I/0
the
conwolier.
the
cycle.
lines
RAM.
data
from
Functional
Theory
Page 70
4-22
Memory
Read
The
CPU
initiates a memory
and
cycle
control
the
cycle
start
tion
is
loaded
cycle
control
Table
4-1.
pMIO
0 o o
0
0
0
1
1
1
1 1
The
bus/memory
control
the
write
starts
the
activates
.
memory,
determines
the
control
(MUXO0 — MUX?9)
memory
develop
memory
troller
latch
RDYBUS
into
signals.
Cycle
pDC
signals
queue
cycle
the
memory
MEMR32
what
signals,
address
individual
data
bus,
the
and
pRDY
information
by
activating
the
write
Control
PWR
0o
-
1
1
Y o
0
1
to
by
-0
controller
identify
using
RDCLK
generating
read
is
activated,
size
cycle
RAS
and
for
the
cycle.
from
these
RAS
and
LOCALM
data
onto
are
issued.
read
on
pADS.
queue.
Signal
CYCLE
Interrupt
1
Invalid
0
I/O
1
I/0
Memory
1
Shutdown/Halt
Memory
1
Memory
and
the
cycle.
to
DOCYCLE.
line
(16-
CAS
The
signals.
CAS
and
the
queue
cycle
by
placing
the
processor
The
control
Table
4-1
Decoding
TYPE
acknowledge
data
read
data
write
code
read
data
read
data
write
the
system/cache
The
system/cache
place
the
address
The
(if
the
read
is
otherwise
or
32-bit)
signals,
memory
The
MEMR
is
and
multiplexers
RAS
signals.When
PARLCH
data
from
bus.
the
memory
bus.
It
then
and
address
lists
the
decoding
controller
on
the
bus/memory
to
ZDS
proprietary
is
used).
occurring
the
memory
and
CAS
data
is
available
the
bus/memory
At
the
end
address
indicates
informa-
for
use
the
controller
bus,
and
develop
decoders
clocks
then
controller
It
then
provides
addresses
on
con-
of
the
cycle,
the
the
the
If
cache
is
between
the
hit
controller
(CRDBOE
pletes
If
the
the
vates
the
address
line
(CHIT1 - CHIT3)
the
data
dara
is
CUDOEN
installed,
cache
is
stops
and
cycle
is
not
read
the
tag
already
the
current
CWRBLCH),
by
returning a ready
in
the
from
main
and
CUDLCH
system/cache
RAM
and
the
in
the
cache,
notifying
read
cycle,
and
reads
cache,
the
read
memory,
to
write
controller
address
the
cache
the
system/cache
activates
the
data
signal
pRDY
cycle
the
system/cache
the
darta
forces a comparison
requested
comparator
from
continues
into
by
controller.
the
control
thé
to
the
normally.
controller
the
cache.
the
activates
lines
cache.
CPU.
CPU.
The
It
com-
When
act-
If
a
Functional
Theory
Page 71
4-23
Memory
Write
The
CPU
tion
on
the
vating
The
control
the
starts
activates
memory,
mines
conwol
MUX9)
address
memory
LOCALM
local
If
between
the
CWRBLCH
latches
write
the
bus/memory
signals
write
the
what
signals,
for
from
write
memory.
cache
is
the
cache,
the
cycle
initiates
the
processor
cycle
control
controller
to
identify
queue
using
cycle
by
generating
the
memory
MEMW32
size
cycle
RAS
the
cycle.
these
signals.
enable
and
PARLCH
At
the
installed,
address
the
system/cache
to
latch
address
continues
memory
bus,
RDCLK
write
is
activated,
(16-
and
The
signals.
from
end
of
the
system/cache
and
the
data
information.
normally.
write
activating
signals.
and
the
cycle.
to
DOCYCLE.
line
or
32-bit)
CAS,
and
memory
MEMW
When
the
bus/memory
the
cycle,
those
already
controller
into
cycle
by
CPU
cycle
the
system/cache
The
system
place
the
address
The
(if
the
read
otherwise
the
multiplexers
is
inverted
data
RDYBUS
the
If
the
MEMW
is
occurring.
memory
and
is
available
controller
controller
in
the
activates
cache
data
data
is
placing
start
(pADS),
conrroller
cache
on
bus/memory
is
to
ZDS
is
It
then
addresses
develop
used
to
on
the
latch
and
PRDY
forces
cache.
not
If
CRDBOE
RAM.
in
the
address
informaand
use
conmoller
the
bus,
proprietary
used)
provides
the
memory
develop
queue
the
are
a
comparison
the
and
CDADLCH
cache,
clocks
then
controller
and
deter-
(MUXO0
the
data
data
issued.
address
the
acti-
the
the
-
bus,
into
is
in
Refresh
DMA
Cycles
Every
15
microseconds
starts
the
refresh
generating
bus.
bus,
DMA
signal
refresh
on
provides
DMA
quickly
computer
memory
The
bus
IPC
to
board
(HOLDA)
the
(DACK)
signal,
bus/memory
or
next
request
The
system/cache
and
places
Control
(REFRESH)
counter
the
bus.
the
operations
between
permits
address
requesting
DMA
request
hold
request
the
system
processes
on
IPC
(IPCHLDA).
on
it
asserts
a
32-bit
10
to
15
refresh
master
cycle.
(REFREQ).
IPC
hold
request
hold
acknowledge
PAL
decodes
on
and
the
When
the
refresh
bus
the
the
controller.
microseconds.
addresses
allow
memory
DMA
space.
master
lines.
(IPCHRQ).
(HOLD).
the
hold
system
The
system
the
MASTER
is
driving
the
IPC
generates
TMROUT
The
DMA
(IPCHRQ)
controller
the
system
refresh
receives
hold
acknowledge
bus.
page
bus/memory
and
large
blocks
and
peripheral
operations
starts
the
cycle
The
IPC
receives
This
signal
The
system/cache
signal
and
bus.
HOLDA
IPC
responds
bus.
When
the
or
MSTER32
This
lets
the
the
bus.
This
timing
the
1
clocks
a
flip-flop
control
and
places
the
(HLDA)
on
This
signal
register,
controller
starts
a
single
of
data,
up
devices.
anywhere
by
activating
the
request,
is
decoded,
places
hold
is
buffered,
by
placing
requesting
line
controller
The
master
avoids
conflicts
TMROUT
to
PAL
decodes
HOLD
request,
the
and
placing
sees
to
in
controller
acknowledge
connected
know
arbitrates
system
places
also
latches
the
the
refresh
memory
64k
bytes,
The
design
the
64-megabyte
one
then
buffered,
decoded,
a
DMA
master
whether
has
bus
with
1
signal
which
generate
this
signal
on
the
system
the
bus.
The
the
refresh
the
refresh
values
signal,
read
cycle.
to
move
of
this
of
the
system
generates
and
sent
on
the
main
and
goes
acknowledge
sees
this
to
the
a
16-bit
access
for
refresh
cycles.
it
to
the
Functional
Theory
Page 72
4-24
The
IPC
between
each
type
sequence
handles
the
two
of
access
of
events
8-
or
16-bit
DMA
cycle types,
AEN1
or
AEN2.
for a DMA
operations.
the
IPC
Figure
cycle.
In
order
to
distinguish
generates a different
4-11
illustrates
signal
the
for
general
Input/Output
I/0
Read
Cycles
Figure
4-11.
cPU
o
OMA
2zCUEST
HOLD
REQUEST
HOLS
ACKNOWLEDGE
ADDRESS
ENABLE
CMA
ACKNOWLEDGE
READ
/WRITE
COMMANDS
cycles
I/0
communicate
to
real-time
When
address
the
the
identifies
The
clock,
access
on
and
cycle
queue
write
the
system/cache
consist
bus/memory
buffered
on
information
signals
select
system
bus
Typical
—
DMA
1
e
cPU
e
read
of
the
with
timer,
the
is
required
the
processor
activates
system
the
to
the
to
cycle
controller
controller
parallel/serial
the
decoded
is
different
for
by
enabling
Cycle
L
cp
cPU
(BREG
[
j
write
and
keyboard,
various
and
for
an
/O
bus.
It
then
pADS.
The
address
system/cache
sends
sends
then
card
I/0
the
by
devices.
I/0
SAEN.
L
H
L0
[
operations
and
DMA
peripherals.
read
cycle,
uses
the
address
information
the
bus,
and
DOCYCLE
I/O
the
out
develop
to
decode
PAL.
Data
HOLDA
omasen
.
}
DACK
4
XIOR
XIow
OMAMEMR
DMAMEMW
allow
that
interrupt
the
CPU
status
lines
control
bus/memory
the
start
to
signal,
read
and
XIOR,
PAL
The
latched
is
J
cPU
.
e
-
!
computer
the
controllers,
places
to
identfy
passes
the
the
I/O
through
information
controllers.
The
cycle.
IOR.IOR
address
generates
the
to
back
is
I/0O
Write
Functional
Theory
cycle
the
When
signal
ready
issues
troller
cycle
is
complete.
write
/O
The
the
of
use
the
information
cycles
write
cycles
write
is
the
to
ready
a
cycle
I/O
must
are
are
not
not
completed,
I/O
write
pass
the
system/cache
(pRDY)
signal
cycles
are
essentially
is
signals,
in
the
the
through
posted
cached.
bus/memory
controller.
CPU
the
to
not
cached.
and
to
XIOW.
queue
Like
identical
IOW
write
queue.
controller
system/cache
The
indicate
to
I/O
the
Note
from
read
I/0
issues
cycle
read
that
CPU;
the
cycles,
bus
a
con-
the
that
with
although
I/O
I/0
all
-
Page 73
4-25
Interrupt
Halt
Cvcles
and
¥
CYCIES
Shutdown
An
interrupt
request
The
board.
controller
bus/memory
the
When
vector
the
Pprocessor
accesses
CPU
The
HALT
cache
PWR.
notifies
pletes
only
request
lines
IPC
then
When
IPC.
the
address
vector
the
completes
80386
instruction.
controller
The
the
the
resume
occur,
cycle
starts
(IRQ)
activates
the
CPU
that
an
interrupt
controller
IPC
receives
of
the
and
services
bus
when
system
the
CPU
enters
The
using
CPU
then
bus/memory
current
process,
operation
or
the
when
connected
an
interrupt
receives
sends
the
interrupt
service
the
routine.
the
interrupt
bus
to
process
service
routine,
a
halt
CPU
indicates
the
processor
enters
an
controller.
then
if
a
non-maskable
CPU
is
reset.
a
device
to
the
IPC
request
the
request,
acknowledge
an
interrupt
acknowledge,
routine
state
idle
on
(If
the
occurred,
the
interrupt
it
resumes
whenever
this
control
state.
The
also
idles.
activates
on
has
the
condition
The
bus/memory
Once
interrupt
one
the
parallel/serial
and
sends
it
notifies
been
acknowledge
system
CPU
was
it
halts
routine.)
normal
it
executes
lines
PMIO,
system/cache
halted,
or
of
the
it
to
the
bus/memory
granted.
signal
it
places
bus.
The
operating
local
operation
When
operation.
a
software
to
the
system/
pDC,
controller
controller
the
CPU
an
interrupt
interrupt
card.
the
main
The
back
to
the
8-bit
CPU
reads
on
the
and
the
and
comcan
I/0
Operations
Real-Time
Clock
The
CPU
shuts
ton.
This
type
an
invalid
with
resume
memory
a
halt
condition.
operation
reset.
The
parallel/serial
the
computer.
The
real-time
internal
tains
power
on
A
clock
nally
RAM
additional
fails,
card.
the
crystal
oscillator
signal
by
the
or
that
RTC
down
of
condition
location.
if
a
card
The
following
clock
(RTC)
to
store
RAM
is
turned
on
drives
for
clock
if
it
encounters
occurs
The
same
In
the
case
of
non-maskable
contains
current
to
store
off,
i
the
parallel/serial
the
timing.
sections
is
part
date
SETUP
the
RTC
IPC
OSC1
circuitry
of
a
processor
if
the
processor
sequence
a
shutdown
interrupt
briefly
the
and
time
configuration
is
backed
input.
occurs
to
perform
introduce
IPC.
Besides
information,
card
generates
This
double
attempts
of
events
the
CPU
or
I/0
these
containing
information.
up
by
a
battery
a
signal
is
fault
condi-
to
access
occurs
can
the
only
CPU
as
is
operations
functions.
the
RTC
con-
If
source
32.768
divided
MHz
inter-
for
Functional
Theory
Page 74
4-26
The
computer
address
IPC
wants
bus,
bits
line
This
pointer
using
The
latch
secondary
output
bits
If
backup
(POWER
the
on
bus,
decodes
to
bits
XDO - XD6.
XA0, XA4,
is
inverted
strobes
to
normal
RTC
on
the
of
of
the
Ve
falls
battery
computer.
and
supplies
accesses
bits
XAO - XA9.
XA0 - XA7
access.
interfaces
this
GOOD)
The
computer
The
and
the
and
becomes
the RTC
the
desired
I/0
parallel/serial
data
latch
secondary
below
If
which
read
with
bus.
Secondary
which
address
4.25
source
signal
Vec
falls
power
location
the
RTC
by
placing
When
the
to
determine
then
parallel/serial
OR’ed
output
real-time
uses
the
in
the
or
write
cycles.
the
rest
of
the
card
that
address
buffers
VDC,
goes
low,
below
to
the
the
bus.
the
PF
(POWER
active.
This
disconnecting
3.0
RTC.
an
IPC
which
places
VDC,
data
card
of
XA6
clock
data
on
RTC.
Information
computer
connects
enable
address
forces
the
address
ACK
line
goes
subsystem
on
the
decodes
and
XA7.
address
the
signals
FAIL)
the
battery
bus
through
to
the
(SAEN)
the
IPC
RTC
output
strobe
as
lower 8 bits
from
on
the
active,
the
computer
extended
extended
The
decoded
(RTCAS).
an
index
is
then
an
controls
onto
the
on
PWRGD
the
source
switches
extended
the
data
address
accessed
8-bit
data
of
the
the
lower
8
the
rest
of
Programmable
Timer
Interval
|
The
interval
generates
system
ton.
A
crystal
clock
TMRCLK
also
goes
The
computer
extended
active, the
computer
writing
to
initialize
The
timer
microseconds
TMROUT 2 drives
generation.
timer
the
interrupt
timer
the
IRQO
refresh
(OSC
and
also
timing,
oscillator
14)
signal
input.
This
to
the
system
accesses
address
IPC
wants
provides
generates a signal
bus,
decodes
to
reading
timer
values
TMROUT 1 goes
TMROUT1
controller.
is a part
signal
for
and
on
the
parallel/serial
that
is
is
the
input
bus
the
bits
XAO — XA9.
XAO - XA7
access.
different
the
[/O
the
timer.
and
speaker,
and 2 both
of
the
IPC
timekeeping
provides
divided
and
timer
start
timing
that
timing
timing
becomes
by
placing
to
read
and
On
powerup,
the
signals
active,
using
go
is
connected
on
the
parallel/serial
and
floppy
signals
card
generates a 14.318
by three
When
determine
counters.
initiating a refresh
LPBQO
to
before
signal
for
the
bus
an
address
the
write
cycles
control
for
the
as a gate
port B in
internally
for
going
the
OSC
IPC
ACK
which
are
words
system.
the
motor
speaker
timer.
signal.
input
computer.
card.
timeout,
opera-
to
the
OSC
on
the
line
goes
subsystem
used
for
are
written
Every
cycle.
for
tone
The
to
IRQO
It
MHz
IPC
14
the
15
on
Functional
Theory
Page 75
'
System
Processor
Control
The
system
interfaces
warm
The
flip-flop
The
decoder
contain
to
indicate
data.
requests.
The
line.
generates
The
sends
generates
goes
then
with
reset
SCP
is
the
to
computer
activates
an
address
whether
When
SCP
sends
Each
time
IRQ1.
SCP
provides
a
CTRL-ALT-INS,
SCP
to
the
system/cache
generates
control
the
signal,
clocked
CS42
gate
SCP
accesses
CS42
is
and
a
key
This
the
reset
a
CPU
processor
keyboard
from
CLK42.
as
in
the
the
active,
receives
or
allows
keyboard
and
A20,
and
the
OSC14
the
SCP
when
range
byte
ransferred
the
data
a
combination
the
or
a
CTRL-ALT-ENTER
(SCPRC).
controller
reset.
(SCP)
the
keyboard
by
activating
SAO
and
of
60H
SCP
responds
from
keyboard
clock
This
signal
on
is
an
8-bit
password
interrupt
signal.
The
SAEN
—
6FH.
on
XDO
the
keyboard
of
keys
data
signal,
becomes
the
main
slave
ROM,
signal
the
CS42
are
low,
The
-
XD7
to
I/O
is
pressed,
to
be
KBCLK.
key
RC
board.
4-27
microprocessor.
generates
signals.
is
sent
line.
and
computer
is
command
read
and
over
the
the
placed
If
the
sequence,
on
the
The
the
through
The
I/O
SAO
-
SA9
uses
XA2
write
KBDAT
SCP
on
the
bus.
keyboard
the
SCP
bus
and
controller
It
a
or
Serial
Port
The
SCP
also
interfaces
ROM
over
the
NVCLK
receives
The
tained
bi-directional
through
The
parallel/serial
ferent
To
and
2FFH)
XA7
selected,
select
The
receiver
before
parallel
sends
IRQ3
whenever
IOOUT
information
computer
in
the
an
ACE
is
baud
access
the
an
address
is
present
and
XA8
the
specific
ACE
obtains
over
placing
data
it
over
or
IRQ4
it
to
move
provides
dual
IC
permits
RS-232
clocked
card.
rates
ACE,
in
on
to
develop
device
registers
serial
the
RXD
it
on
from
the
TXD
to
signal
requires
the
to
the
line,
selects
over
the
two
serial
asynchronous
communications
connection.
by
a
1.8432
This
clock
for
serial
communications.
the
I/O
decoder
one
of
the
serial
the
bus.
CSIO
the
actual
responds
line.
the
the
XDO-XD7
line
to
and
passes
data
from
The
XD0-XD7
to
the
the
CPU,
servicing.
data
onto
password
NVDAT
communications
MHz
is
used
ROM.
the
chip
line.
I/O
channels.
with
crystal
internally
develops
port
ranges
enables
chip
I/0
data
the
receiver
data
data
232
through
When
the
system
a
select
requests.
over
232
connector
converts
lines.
lines
into
connector.
the
the
ACE
bus.
The
SCP
using
NVCS,
The
element
other
oscillator
to
develop
CSIO
when
(3F8H
2-to-4
decoder
(CSO
or
It
uses
XAO
the
XDO
and
it
into
The
transmitter
serial
form
The
ACE
interrupt
receives
clocks
the
and
sends
circuitry
serial
located
-
CS1).
-
XD7
controllers,
data,
is
con-
(ACE).
devices
on
the
dif-
SAEN
is
3FFH
or
that
When
-
XA2
lines.
sends
it
parallel
form
converts
and
then
generates
it
activates
to
and
This
the
low
2F8H
uses
to
the
-
Functional
Theory
Page 76
4-28
Four
handshaking
(DSR),
ready
control
channel.
modem.
cations
to
ring.
port
Data
serial
DSR
with
receive
All
and
terminal
shakmg
receive
These
data.
two
port.
signals,
to
clear
communications.
line
DCD
The
asserted
is
computer.
the
RI
and
data
inverted
signals
the
are
ACE.
readL(BTR)
lines.
The
DTR
The
RTS
lines
are
buffered
receive
(CTS),
send
These
active
is
a
when
CTS
indicates
by
and
line
is
asserted
line
goes
by
line
signal
detect
indicator
ring
and
available
are
lines
carrier
data
a
when
ready
modem
is
the
an
request
active
drivers
is
asserted
modem
when
has
detected
inverter/receiver
to
send
(RTS)
when
the
ACE
when
the
ACE
between
the
(DCD),
(RD),
detected
is
establish
to
modem
the
between
are
is
has
ACE
data
used
are
each
for
by
communi-
ready
is
telephone
a
the
ourput
ready
to
data
to
and
the
set
to
serial
the
serial
hand-
send.
serial
Parallel
Port
The
25-pin
tronics
puter
contained
To
develops
port
CSIO
actual
XIOR)
XA1
lines.
type
and a peripheral
access
the
CSIO
ranges
enables a 2-to-4
chip
determine
to
select
When
parallel
interface
in
(378H - 37FH
select.
specific
LSETUP
port
for
the
dual
asynchronous
parallel
when
communications
SAEN
When
whether a ‘write
registers
is
on
the
transfer
device.
is
or
decoder
selected,
active,
parallel/serial
of
parallel
The
circuitry
communications
low
and
278H - 27FH)
that
uses
the
or a read
and
passes
the
parallel
that
channel,
an
address
XA7
I/0
commands
takes
data
printer
card
provides a Cen-
data
between
runs
the
[/O
in
one
is
present
and
XA8
place.
over
the
is
enabled.
the
the
port
element
decoder
of
the
on
the
to
develop
(XIOW
It
uses
XDO0 - XD7
comis
(ACE).
parallel
bus.
the
and
XA0
-
Functional
Theory
Page 77
This
chapter
assembly.
instructed
assembling
For
otherwise.
contains
reassembly,
the
computer.
step-by-step
perform
Read
each
section
Disassembly
instructions
the
steps
for
in
the
completely
Chapter
computer
reverse
before
dis-
order
dis-
5
unless
Static
Precautions
To
prevent
following
*
Do
not
packaging
¢
Equalize
and
you
picking
*
Once
you
set
it
down
or
returned
component
precautions:
remove
by
up
until
the
static
touching
the
device
remove
or
let
to
its
any
static-sensitive
you
electricity
the
go
protective
damage
are
ready
the
work
with
device
of
it
until
from
static
device
to
install
between
surface
the
other
from
its
it
is
either
packaging.
discharges,
from
it.
the
work
with
one
hand.
protective
installed
use
the
its
protective
surface,
hand
packaging,
in
the
and
‘
the
computer
then
device,
do
not
Page 78
5-2
Cover
Removal
/N
[CauTioN]
1.
Turn
equivalent
a
scratch
Avoid
shock
cord
before
2.
Turn
3.
Disconnect
from
4.
Refer
Figure
5-1.
on
the
disk)
hazard.
beginning
off
the
the
computer.
to
Figure
Unlocking
computer
before
the
beginning
in
the
Unplug
computer
keyboard,
5-1
UNLOCK
and
run
the
disassembly.
floppy
drive(s).
the
computer
disassembly.
and
unplug
video
and
the
unlock
Cover
=g
the
@_
MS-DOS
and
it.
monitor,
cover.
SHIP
utility
or
Place a shipping
disconnect
and
all
other
the
peripherals
it’s
insert
(or
line
Disassembly
Page 79
5.
Refer
the
Figure
to
Figure
computer.
5-2.
Cover
5-2
and
Save
the
Removal
remove
screws.
the
screws
that
secure
the
cover
to
6.
Remove
Support
cards
the
the
or
cables.
cover
cover
by
sliding
as
you
it
slide
toward
it
off
to
the
front
avoid
/d‘\
of
the
contact
SCREWS
computer.
with
circuit
\
Disassembly
Page 80
54
Circuit
Removal
Card
NOTICE
Static
1.
Remove
2.
Remove
entation.
3.
Refer
card
lift
4.
Place
Figure
can
to
to
it
until
the
5-3.
damage
the
cover
any
cables
Figure
the
computer
it
is
card
Circuit
/
/
/
some
circuit
as
described
attached
5-3
and
chassis.
free
of
the
in
protective
Card
Removal
cards.
earlier.
to
the
remove
the
Save
connector.
packaging.
REMOVE
/SCREW
=0
/
;
Use
static
card.
screw
the
screw.
t
precautions.
Note
their
that
secures
Grasp
GRASP
PULL
FIRMLY,
STRAIGHT
upP
location
the
circuit
the
card
and
and
ori-
SmartBattery
Removal
IMPORTANT
Disassembly
NOTE:
stray
This
CMOS
battery
If
the
electromagnetic
procedure
RAM.
so
you
card
deletes
Note
can
is
not
replaced,
emissions.
all
the
current
reenter
reinstall
configuration
setup
information
the
correct
information
the
blank
information
before
after
panel
to
stored
in
removing
reassembly.
reduce
the
the
Page 81
5-5
it
NOTICE
The
SmartBattery
not
open
do
not
later
in
The
SmartBattery
allel/serial
Static
electricity
cautons.
1.
Remove
2.
Disconnect
card.
3.
Remove
4.
Refer
card.
"
5.
Carefully
Figure
5-4.
it.
To
attempt
this
chapter.
card,
the
the
the
to
Figure
pry
Battery
contains
prevent
to
recharge
package
as
show
can
damage
cover
LED/speaker/keylock
parallel/serial
5-4.
the
battery
Removal
a
lithium
explosion
it.
is
mounted
in
Figure
the
as
described
Remove
out
Use
parallel/serial
card.
the
of
battery.
hazards,
the
5-4.
earlier.
screw
the
avoid
disposal
in
an
cable
that
socket.
It
is
safety
shorting
procedure
IC
socket
card.
from
holds
sealed;
the
battery;
described
on
the
par-
Use
static
pre-
the
parallel/serial
the
battery
to
do
the
.
|~
=
r:‘jf
NOTE:
tive
socket
When
from
you
install
the
SmartBattery
the
replacement
before
battery,
installation.
remove
the
protec-
Disassembly
Page 82
SmartBattery
W
Disposal
The
SmartBattery
not
open
do
not
1.
Clip
2.
Wrap
3.
Pack
4.
Dispose
it.
To
attempt
p
all
exposed
the
battery
the
battery
of
the
contains
prevent
to
recharge
battery
in
so
it
battery
a
lithium
explosion
g
it,
and
leads.
Do
insulating
cannot
in
the
tape
be
trash.
battery.
hazards,
do
not
0
not
incinerate
not
short
to
prevent
crushed.
It
is
avoid
inci
the
safety
sealed;
shorting
te
the
the
S
the
SmartBartery
battery!
accidental
do
battery;
.
shorting.
Cache
Card
Removal
NOTICE
Static
1.
Remove
2.
Refer
lifting
3.
Place
Figure
electricity
to
the
5-5.
the
cover
Figure
it
straight
card
Cache
DRIVE
CHASSIS
can
in
damage
as
described
5-5
and
remove
up
and
protective
Card
Removal
CACHE
CARD
~
the
cache
earlier.
out
of
the
packaging.
card.
the
cache
connector.
Use
card
static
precautions.
by
grasping
it
and
Disassembly
Page 83
L
m
'Keylock,
Guide,
Card
and
Removal
Speaker
NOTICE
Statc
electricity
1.
Remove
2.
Disconnect
card.
Note
from
Remove
Refer
pushing
Figure
5-6.
can
the
cover
the
the
orientation
the
disk
all
circuit
to
Figure
them
Card
CARD
GUIDE
damage
as
LED/speaker/keylock
controller
cards
5-6.
down
Guide
circuit
described
of
the
card.
as
Release
and
inward.
Removal
cards.
earlier.
power/disk
described
the
top
Use
cable
access
earlier.
tabs
on
static
precautions.
from
the
LED
the
card
parallel/serial
cable.
Remove
guide
by
it
6.
Lift
the
front
card
the
of
card
the
guide
chassis.
guide.
so
the
Push
bottom
the
tabs
tabs
align
through
with
the
the
holes
chassis
in
the
and
remove
Disassembly
Page 84
7.
Refer
to
Figure
5-7
and
remove
the
speaker
from
the
card
guide.
Figure
8.
Figure
5-7.
Speaker
Refer
to
Figure
LED/speaker/keylock
the
ground
5-8.
lug
LED/Speaker/Keylock
Removal
5-8
and
assembly
for
reassembly.
remove
the
two
to
the
Removal
R
t<i._
screws
chassis.
\/
Note
that
_—
)
secure
the
location
)
\\\
the
of
Disassembly
Page 85
5-9
Auxfllary
Removal
Fan
1.
Remove
2.
Disconnect
3.
Refer
assembly
4.
Lift
Figure
5-9.
to
the
fan
the
cover
the
fan
Figure
Auxiliary
5-9
to
the
computer
assembly
Fan
as
described
cable
from
and
remove
chassis.
out
of
Removal
earlier.
the
the
the
computer.
main
two
board.
screws
that
secure
the
fan
Memory
Module
Removal
Chapter
2,
“Installation,”
madules:
contains
instructions
for
removing
memory
Disassembly
Page 86
5-10
Main
Board
Removal
NOTICE
Static
Use
static
1.
Remove
2.
Remove
3.
Remove
4.
Disconnect
5.
Refer
board
6.
Lift
Figure
electricity
to
to
the
5-10.
can
precautions.
the
cover
all
circuit
the
auxiliary
the
Figure
chassis.
the
main
board
Removing
damage
as
cards
power
5-10
out
the
described
as
described
fan
assembly
supply
and
the
remove
of
the
Main
connector
Board
main
board
earlier.
earlier.
as
described
the
screws
computer.
and
from
other
earlier.
the
that
circuit
main
board.
secure
the
cards.
main
Disassembly
Page 87
-11
wn
Disk
|
g
Chassis
Drive
Removal
and
Remove
Disconnect
Remove
chassis,
Slide
computer.
Lift
Remove
chassis.
7.
Carefully
Figure
the
the
drive
5-11.
the
cover
all
the
screw
as
shown
drive
the
four
slide
Disk
DRIVE
CHASSIS
as
cables
that
in
Figure
chassis
chassis
screws
the
drive
Drive
Removal
described
from
each
secures
5-11.
about
one-half
up
and
out
that
secure
out
of
-
TZSDv
DISK
ORIvE
earlier.
drive
to
the
drive
inch
of
the
the
the
drive
~
be
removed.
chassis
toward
computer
disk
drive
chassis.
to
the
main
the
back
chassis.
to
the
of
drive
the
Disassembly
Page 88
5-12
Power
Supply
Removal
Remove
-
Remove
Disconnect
Disconnect
Remove
Slide
the
NOTE:
the
forward.
7
Lift
Figure
the
the
the
power
the
the
power
retaining
It
may
drive
chassis
the
power
5-12.
Power
cover
as
described
auxiliary
power
cables
screws
supply
on
tab
be
necessary
to
supply
Supply
that
the
allow
out
fan
as
supply
from
secure
forward
chassis
enough
of
Removal
earlier.
described
from
the
the
disk
the
power
about
bottom.
to
remove
room
the
computer
earlier.
main
board.
drives.
supply
one-half
the
drive
to
slide
chassis.
to
the
inch
until
control
the
power
chassis.
it
clears
cables
or
supply
.
Disassembly
Page 89
This
chapter
computer.
tions”
later
describes
For
information
in
this
manual.
hardware
about
Chapter
Configuration
jumper
connector
and
switch
pinouts,
settings
refer
for
to
“Specifica-
6
the
Page 90
6-2
Main
Numb
Board
ers
85-3536,
85-3601)
Figure
6-1.
Main
(Part
8
5.3
and
Board
43
5
Jumper
7
Locations
Depending
jumpers.
the
Figure
settings.
on
the
model,
6-1
illustrates
the
R137
main
their
board
contains
locations
and
up
to
Table
s
3
configurable
6-1
describes
|
85-3601
Configuration
Page 91
Table
JUMPER
J1012
J102
6-1.
Main
Board
SETTING
1-2
2-3!
1-2
2-3!
Jumper
DESCRIPTION
Numeric
80387
Weitek
coprocessor
CPU
20
25
Settings
coprocessor
numeric
WTL
speed
clock
CPU
MHz
CPU
MHz
option
coprocessor
3167
coprocessor
installed.
speed.
clock
speed.
clock
installed.
installed
or
no
J103
R1373
R1683
NOTES
1.
Factory
2.
J101
85-3601-01.
3.
R137
the
only
and
base
1-2!
2-3
On
Off
On
off
setting.
is
used
R168
are
number
Synchronous/asynchronous
The
coprocessor
CPU
clock
clock,
or
*
The
coprocessor
CPU
the
clock
CPU
MHz
33
MHz
25
clock
CPU
MHz
25
33
MHz
on
boards
containing
populated
85-3601-01.
20
clock.
CPU
CPU
CPU
CPU
(25
MHz
speed
clock
clock
speed
clock
clock
with
jumpers
clock
MHz
CPU
clock
.
runs
CPU
clock
will
speed.
speed.
speed.
speed.
the
base
only
coprocessor
synchronously
clock
and
20
and
16
MHz
run
asynchronously
number
on
boards
85-3536-1
clock
with
the
MHz
NPU
NPU
clock).
with
and
containing
Configuration
Page 92
6-4
Par
allel/
(P
art
Serial
Numbers
Card
This
card
card
and
contains
the
jumper
14
configurable
locations.
jumpers.
Table
6-2
describes
Figure
the
6-2
illustrates
settings.
the
85-3426
85-3548)
Figure
6-2.
Parallel/Serial
. . §
v
<201
2
’
/
_
and
%
.
“3,°12
|
Card
Jumper
=
4303
J3es
-]
.y
Table
JUMPER
J301
Locations
306
=
316
-
6-2.
Parallel/Serial
SETTING
1-2!
2-3
7307
J308 J323
J321D
u330
0,
J324_U1
F—3
J326
B2
3
e
DESCRIPTION
Battery
Parallel/serial
External
v32s
vfl
327
o
D [ <328
.
Card
Hardware
backup
AT-compatible
{ees
:
]
G
Jumper
source
card
SmartBattery.
battery.
.
i
u
Descriptions
T
,
I
!
s
—
Gl
IR
'i;_'.
A
-
;
|
,.:
J302
J303%
J305
5
On!
off
Open?
Closed
1-2
34
5-6
7-8!
9-102
I/0
card
SmartBattery
Software
Software
Secondary
Normal
Secondary
Video/keyboard
Not
Not
Not
reset
reset
disable
disable
signal
assigned
assigned
assigned
enabled
disabled.
parity
options
(reserved).
(reserved).
(reserved).
On - color.
Off - monochrome.
AT-compatible
keyboard.
reset
parity
signal
source
option
generator
signal
generation.
(do
not
use).
*
:
8
¢
continued...
Configuration
Page 93
Table
JUMPER
J306
6-2.
Parallel/Serial
SETTING
1-2
2-3!
Card
Hardware
DESCRIPTION
Power
failure
Enable
interrupt
Disable
interrupt
Jumper
interrupt
disable/enable
on
power
on
power
6-5
Descriptions
failure.
failure.
J307
J308
J316°
J321
J3224
J323
J324
1-2
2-3!
2-3!
1-2!
2-3
Open
Closed!
-
1-2!
2-3
off
1-2!
2-3
Off
Power
indicator
The
power-on
The
power-on
nostic
LED
port.
Reserved — do
Reserved.
Diagnostic
Diagnostic
Power-on
Slushware
Disable
Enable
Serial
as
J324)
COM1
COM2
Disabled.
Serial
as
J323)
COM2
COM1
Disabled.
.
indicator
LED
self-test
protection
SCP
slushware
SCP
slushware
port 1 address
(03FxH).
(02FxH).
port 2 address
(02FxH).
(03FxH).
status
LED
is
always
on.
LED
is
controlled
not
change.
definition
definitions.
binary
LEDs.
select
(reserved)
protection.
protection.
assignment
assignment
by
bit 7 of
(use
(use
same
same
the
diag-
setting
setting
J325
J326
J327
1-2!
2-3
Off
1-2!
2-3
1-2!
23
Off
Parallel
LPT1
LPT2
Disabled.
Power-good
port
address
(037xH).
(027xH).
signal
SmartBattery.
Power
supply.
Serial
port 2 interrupt
as
J328)
COM2
(IRQ3).
COM1
(IRQ4).
Disabled.
source
assignment
(use
same
setting
continued...
Configuration
Page 94
6-6
Table
JUMPER
J328
6-2.
Parallel/Serial
SETTING
1-2!
2-3
Off
Card
Hardware
DESCRIPTION
Serial
port
J327)
as
COM1
COM2
Disabled.
1
(IRQ4).
(IRQ3).
Jumper
interrupt
Descriptions
assignment
(use
same
setting
J329
J330°%
NOTES
1.
Factory
Factory
I
No
I
No
LA
This
2-3
Off
Open?
Closed
setting.
setting.
jumper
jumper
jumper
1-2!
block
block
is
Parallel
LPT1
LPT2(IRQS).
Disabled.
.
Hardwire
LED
Hardwire
reporting.
Indicates
Indicates
installed
installed
used
only
port
(IRQ7).
port
a
jumper
no
jumper.
in
this
in
this
if
J330
interrupt
diagnostic
selectable
the
LED
port
is
installed
location.
location.
is
jumpered.
(use
same
LED
port
as
diagnostic
for
diagnostic
on
A
wire
setting
(reserved)
or
these
pins.
jumper
as
J325)
test
port.
status
is
installed.
Configuration
Page 95
6-7
Parallel/
(P
art
Number
85-3629)
Figure
r
|
:
6-3.
Parallel/Serial
Serial
Card
Card
This
the
Jumper
card
contains
card
and
the
Locations
‘
~
.
jumper
2
'_l_“fi
B
several
configurable
locations.
2
c
::]
\,
306
jumpers.
Table
6-3
describes
Figure
]
?
\
©357
the
f
6-3
illustrates
settings.
-
Table
JUMPER
J301
J302
J303
J304
6-3.
Parallel/Serial
SETTING
Card
Hardware
DESCRIPTION
Battery
Parallel/serial
System
Power-good
Parallel/serial
Power
Parallel
LPT2
LPT3
LPT4
LPT5
Port
Serial
-COM4
COMS
COMS6
COM?7
COMS
COMS9
COM10
COM11
Port
backup
battery.
signal
supply.
port 2 address*
(027xH).
(020xH).
(021xH).
(022xH).
disabled.
port 3 address’
(024xH).
(124xH).
(224xH).
(324xH).
(424xH).
(524xH).
(624xH).
(724xH).
disabled.
source
card
source
card
Jumper
battery.
battery.
Descriptions
continued...
Configuration
Page 96
Table
JUMPER
J305
6-3.
Parallel/Serial
SETTING
On!
off
Card
Hardware
DESCRIPTION
Parallel/serial
enabled.
Reset
disabled.
Reset
card
Jumper
reset
Descriptions
optio:
-
J306
J307
J308
J309
J310
1-22
342
5-62
7-8!
9-102
1-2!
34
1-2!
2-3
jumper
No
1-2!
23
jumper
No
1-2!
2-3
jumper
No
Video/keyboard
assigned
Not
assigned
Not
assigned
Not
Jumper
Jumper
AT-compatible
Interrupt
(reserved).
(reserved).
(reserved).
color
—
on
monochrome.
—
off
keyboard.
enable
IRQS
Enable.
Disable.
Parallel
LPT1
LPT2
Disabled.
Serial
COM2
COM1
Disabled.
Serial
COM1
COM2
Disabled.
port
1
interrupt®
(IRQ7).
(IRQS).
port
2
©
(use
(IRQ3).
(TRQ4).
port
1
interrupt®
(IRQ4).
(IRQ3).
options
video.
same
(use
(use
same
setting
same
setting
as
J311)
setting
as
as
J312)
J313)
J311
J312
J313
J314
1-2!
2-3
jumper
No
1-2!
23
jumper
No
1-2!
2-3
jumper
No
Off
On!
2
port
Serial
(02FxH).
COM2
(03FxH).
COM1
Disabled.
Parallel
LPT1
LPT2
Disabled.
Serial
COM1
COM2
Disabled.
Reserved
Slushware
Slushware
port
(037xH).
(027xH).
1
port
(03FxH).
(02FxH).
for
permanently
write-protect
address®
address®
1
address®
RAM/ROM
setting
same
(use
setting
same
(use
setting
same
(use
write-protect
write-protected.
RRWRENB.
enabled
by
J309)
as
J308)
as
J310)
as
test
continued...
Configuration
Page 97
Table
JUMPER
J315
6-3.
Parallel/Serial
SETTING
off?
Card
Hardware
DESCRIPTION
Reserved
(Former
Z-100
Jumper
video
support®).
Descriptions
J316
J317
J318
J319
J320
J321
J322
off?
off?
1-2
2-3!
1:2!
2-3
1-2
2-3!
1-2
34!
1-2
2-3!
Reserved
(Former
Reserved
(If
Reserved
Z-100
2-100
Diagnostic
Normal
Power-up
Power
Indicator
Indicator
Serial
IRQ1S.
Z-100
J319
is
(Z-100
mode
mode
usage.
test
indicator
always
controlled
port
not
indicator
3
IRQ10.
Non-maskable
Interrupt
Interrupt
on
power
only
video
support®).
populated,
video
support)8
supported.
not
supported.
definition
binary
codes.
status
(front
on.
by
diagnostic
interrupt’
interrupt
on
options
failure
IOCHCK.
install
wire
Do
not
bezel)
port.
or
IOCHCK.
jumper)
change.
J323
NOTES
1.
Factory
2.
Factory
3.
Parallel
4.
Paraller
port
S.
Serial
6.
If
the
D-type
the
7.
Serial
Serial
installed.
8.
Z-100
1-2!
34
No
setting.
setting.
port
port
2
is
not
port
optional
connector
9-pin,
port
port
mode
Interrupt
IRQ10.
IRQ15.
jumper
1
2
1
is
D-type
3
is
3
is
video
Disabled.
Indicates
Indicates
is
located
is
located
available
located
serial/parallel
above
connector
the
25-pin,
not
available
support
REARM
installed
no
jumper.
on
the
parallel/serial
on
the
optional
if
the
dual
on
the
parallel/serial
board
the
25-pin,
on
the
D-type
if
the
is
not
trigger
jumper.
serial/parallel
serial
card
is
installed,
D-type
dual
serial
connector
optional
available
card.
board.
is
installed.
card.
serial
the
dual
this
computer.
port
Serial
serial
board
connector.
board.
on
serial/parallel
with
2
is
port
board.
Parallel
the
9-pin,
2
is
is
Configuration
Page 98
6-10
Video
2-549
Figure
.
Video
6-4.
Cards
Z-549
Card
Video
|
f
-
|
,
NOTICE
Card
Switch
Some
models
card.
Several
following
information
To
avoid
card
Locations
for
sections
damage
the
of
this
different
provide
where
required.
to
the
monitor
being
I
computer
video
video
are
configurations
a
brief
card
installed.
12345678
100000000
TPEN
equipped
introduction,
and
with
are
available.
and
monitor,
F
!Ii
|
—_—
T
—=
I
a
31
kHz
video
The
configuration
configure
the
driver
video
The
Z-549
video
combination
monitor
combination
with
card,
shown
another
can
in
video
be
active
Figure
card.
However,
at
any
6-4,
given
Wl
can
be
used
only
time.
one
alone
card
or
and
in
Configuration
Page 99
6-11
Tables
settings
6-4
for
supplies
Table
6-4.
DISPLAY
VGA!
CGA
(40
CGA
(80
EGA
(200
EGA
(350
MDA
NOTE:
1.
Factory
Table
6-5.
DISPLAY
VGA!
CGA
CGA
EGA
EGA
TYPE
(40
column)
(80
column)
(200
(350
through
possible
initial
video
Z-549
TYPE
column)
column)
line)
line)
setting
Z-549
line)
line)
6-7
list
the
hardware
information
(Only)
(Primary)
Card
video
card’s
various
configurations.
at
powerup.
Switch
Settings.
1
ON
ON
OFF
ON
OFF
ON
and
MDA
(Secondary)
1
:
ON
ON
OFF
ON
OFF
SW1
The
primary
SWITCH
2
ON
OFF
OFF
ON
ON
ON
Switch
SWITCH
2
ON
OFF
OFF
ON
ON
DIP
switch
video
SECTION
3
OFF
OFF
OFF
ON
ON
OFF
Settings
SECTION
3
OFF
OFF
OFF
ON
ON
card
OFF
ON
ON
OFF
OFF
ON
OFF
ON
ON
-
OFF
OFF
-
4
4
NOTE:
1.
Factory
Table
6-6.
DISPLAY
VGA
CGA
(40
CGA
(80
EGA
(200
EGA
(350
Table
6-7.
DISPLAY
MDA
VGA
(monochrome)
setting
MDA
TYPE
column)
column)
line)
line)
CGA
TYPE
(Primary)
(Primary)
and
and
Z-549
Z-549
(Secondary)
SWITCH
1
OFF
ON
OFF
ON
OFF
(Secondary)
1
OFF
OFF
OFF
ON
ON
OFF
OFF
SWITCH
2
OFF
OFF
Switch
SECTION
2
Switch
SECTION
Settings
3
OFF
ON
ON
ON
ON
Settings
3
ON
ON
OFF
OFF
4
OFF
ON
ON
ON
ON
4
Configuration
Page 100
6-12
High-Performance
Cards
(152-19-J1)
Figure
6-5.
VGA
Display
‘
.
:
N
VGA
Card
(152-19-J1)
L
some
computer
display
same
default
display
This card
no
card.
card.
style
VGA
modes.
impact
_
oo
models
These
connector
display
includes
on
)l
an
the
configuration
contain
cards
provide
used
mode
eight-segment
on
and
a
the
can
of
‘JC0gg000
]
high-performance
31
kHz
analog
Z-549
card.
Each
also
produce
switch
the
card.
for
Figure
16-bit
video
signals
card
provides
EGA,
CGA,
testing.
The
6-5
illustrates
|
"
—:=
—
=
===
|
“
"
IU
VGA
video
from
and
MDA
switch
this
the
a
has
(152-0010-C2)
Figure
6-6.
VGA
Display
Card
O
5
—
This
card
contains
display
manner
the
mode
as
card.
for
described
(152-0010-C2)
—
U1d
I
one
the
card.
in
4-segment
This
switch
Tables
6-4
switch,
through
SW1,
is
configured
6-7.
_
gl
AL
i%
|
—
that
sets
in
Figure
the
power-up
the
same
6-6
illustrates
|
Configuration
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