
iSBC®
546/547/548
HIGH
TERMINAL CONTROLLERS
HARDWARE
Order Number: 122704-001
PERFORMANCE
REFERENCE
MANUAL
I
Intel Corporation,
Copyright
1986,
3065
Intel
Corporation,
Bowers
Avenue,
All
Santa
Rights
Clara,
Reserved
California
95051
r

Additional copies
Literature Department
Intel Corporation
3065 Bowers Avenue
Santa Clara,
The
int(lrmation
of
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CA
95051
in
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or
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is
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implied warranties
sibility for any
of
merchantability and
errors
that may appear
to keep current the information contained
Intel Corporation assumes no responsibility for the usc
of
any kind with regard to this material. including, but not limited to, the
fitne~s
in
for a particular purpose. Intel Corporation assumes no
this document. Intel Corporation makes no commitment to update nor
in
this dDcument.
of
any circuitry other than circuitry embodied
product. No other circuit patent licenses arc implied.
Intel software
or
disclosure
No part
consent
products arc copyrighted by and shall remain the property
is
subject to restrictions stated
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following are trademarks
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Intel Corporation and its affiliates and may be used only
products:
Above iLBX
BITBLJS
COMMputer
CREDIT
Data Pipeline lnsite
GENIUS
-'
i
ICICE
ICE
rCEL
iCS
iDBP
iDIS
im
iMDDX
iMMX
Intel
inte
intclBOS
lntelcvision
intc1igcnt
intcligent Programming
lntcllec
Intcllink
iOSP
l
Identifier
iPDS
iPSC
iRMX
iSBC
iSBX
iSDM
iSXM
Library Manager
MCS
Megachassis
MICROMAINFRAME
MLJLTIBUS
MULTICHANNEL
MULTIMODULE
respon~
in
an Intel
ASPR
7~104.9(a)(9).
prior
to
identify Intel
ONCE
OpenNET
Plug~A~Bubblc
PROMPT
Promware
QucX
QUEST
Ripplcmodc
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of
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*MULTlBlJS
Copyright
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Mohawk Data Sciences Corporation.
is
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Reserved
MDS"
is
a regi,tered

REV.
REVISION
HISTORY
DATE
-001
Original Issue.
2/86
iii/tv


PREFACE
This
Eight
Printer
functionally
(10"
is
printer
General
1.
of
install
4
all
schematic
For
the
In
material
see
manual
Channel
x
a
four
Chapter
the
as
well
boards
reference
boards.
addition
page
Controller.
12")
interface.
information
boards.
the
o
provides
Terminal
identical,
board
channel
2
provides
board.
as
in
is
shown
diagrams
purposes
Appendix
to
(
all
ii
for
Intel
information
The iSBC 548
with
board
about
Chapter
Programming
Appendix
in
see
B
this
are
manual
available
address).
MULTIBUS
about
Controllers
but
the
backpanel
with
a
block
3
Chapter
Chapter
Appendix A provides
covers
a
all
three
diagrams
provides
A
and
the
you
from
Handbook,
and
and
iSBC 547
iSBC 547
connectors
clock
information
B.
5.
6.
will
calendar
boards
the
information
Connector
If
you
board
need
the
Intel
Order
the
iSBC
the
iSBC
boards
is
a
larger
on-board.
and a centronix
is
provided
and
functional
is
provided
pin-out
need
firmware.
the
to
jumper
following
Literature
Number 210883
54B
and
546
Terminal
are
form
The iSBC 546
descriptions
required
information
refer
information
iSBC 547
and
factor
in
Chapter
to
in
Chapter
to
the
for
reference
Department,
for
Microsystem
o
Serial
o
Order
Components
Communications
Number
230834.
Handbook,
Controller
v
Order
Technical
Number 230843
Manual,


CHAPTER 1
GENERAL
1.
1
1.2
1.3
1.3.1
1.3.2
1.3.3
1.4
CHAPTER 2
BOARD
2 • 1
2.2
2.3
CHAPTER 3
INSTALLATION
3 • 1
3.2
3.3
3.4
3.4.1
3.4.2
3.4.3
3.5
INFORMATION
Introduction
Board
Board
iSBC
iSBC 547
iSBC 548
Specifications
OPERATION
Introduction
iSBC
iSBC
Introduction
Unpacking
Compatible
Installation
Connector
Battery
Cabling
Installation
....................................
Features
Description
546
...................................
................................
Board
Board
Board
...................................
....................................
547
and
iSBC 548
546
Functional
.....................................
And
Inspection
Equipment
Considerations
Configurations
Backup
.......................................
................................
Procedures
Description
Description
Description
..................
..................
..................
Functional
Description
.................
.........................
.......•.....................
......................
......................
..........................
Descriptions
CONTENTS ]
PAGE
"
1-1
l-l
1-2
1-2
1-3
1-3
1-8
"
2-1
..
2-l
2-4
3-1
3-l
3-l
3-2
3-2
3-3
3-6
3-9
CHAPTER 4
PROGRAMMING
4.1
4 • 2
4.3
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.5
Introduction
Jumpers
Addressing
Programming
Firmware
80186
8255
DSR
Baud
CONSIDERATIONS
.....................................
..........................................
.......................................
Considerations
......................................
Processor
Programming
Port
Rate
......................................
Programming
Programming
..............................
(All
.......................
Considerations
Boards)
vii
...............
....
4-1
4-1
4-1
4-3
4-3
4-3
4-6
4-7
4-7

CONTENTS
CHAPTER 5
INTERFACING
5.1
5.2
5.3
5.4
CHAPTER 6
SERVICE ASSISTANCE INFORMATION
6
-1
6-2
6-3
APPENDIX A
JUMPER INFORMATION
A.1
A.2
A.3
A.4
Introduction
MULTI
serial
Printer
Introduction
Service
Service
Introduction
Flag
MULTIBUS
Memory
INFORMATION
....
BUS
Information
Interfaces
InterfaCE~
......................................
and
Repair
Diagrams
......................................
Byte
Address
Interrupt
Mapping
to
•••••••••••••••••••••••••••••••
...........................
................................
(iSBC
Assistance
..................................
Jumpers
Jumpers
Jumpers
...........................
(continued)
546
Only)
...............
....................
........................
.....................
PAGE
•
5-1
5-1
5-6
5-11
6-1
6-1
6-3
A-1
A-4
A-5
A-5
APPENDIX B
FIRMWARE
B.1
B.2
B.2.1
B.2.2
B.3
B.3.1
B.3 . 1.
Introduction
Firmware
Firmware
Recommendations
Functional
structures
1
B.3.1.2
B.3.1.3
B . 3 . 1 . 4
B.3.1.5
B.3.1.6
B.3.2
Inter-Processor
B.3.2.l
B.3.2.1.1
B.3.2.1.2
B.3.2.1.3
B.2.2.1.4
B.3.2.1.5
B.3.2.1.6
B.3.2.1.7
B.3.2.1.8
......................................
Overvie'iliT
Operation
................................
............................
For
Architecture
of
Test
EnginE~ering
static
Dynamic
Queue.
Receive
Transmit
Dual
Structures
Structures
. . . . " . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Buffers
Buffers
Ported
............................
...........................
Messages
Host
CPU
to
Controller
Initialize
Enable
Disable. ~ ........................
Conf
igurE~
Transmit
Abort
Suspend
Resume
...............................
..
~I
••••••••••••••••••••••
......................
Buffer
Transmit
...........................
Transmit
Transmit
High
Performance
..........................
RAM
.................
Boot
Area
.................
..........................
.........................
......................
Messages
..........................
...............
................
..........
............
"
•••••••••
'
........
"
.........
"
.........
"
.........
B-1
B-1
B-4
B-5
B-6
B-6
B-7
B-8
B-10
B-1
B-11
B-11
B-11
B-ll
B-12
B-13
.
B-14
B-15
B-20
B-2
B-23
B-24
0
2
viii

TABLEfJ
(continued)
3-2
5-1
5-2
5-3
5-4
5-5
5-6
5-7
5-8
A-l
A-2
A-3
A-4
B-1
B-2
1-1
1-2
1-3
1-4
2-1
2-2
3-1
3-2
3-3
3-4
4-1
6-1
6-2
6-3
6-4
A-l
A-2
A-3
B-1
B-2
B-3
B-4
B-5
B-6
Pin
to
Pin
MULTI
MULTI
BUS
BUS
Connector
Serial
Connectors
Board
Serial
Connectors
Board
Serial
Connectors
Board
Printer
Connector
Jumper
Jumper
Flag
Memory
iSBC
Combinations
Combinations
Byte
Map
546/547/548
Confidence
iSBC
Block
iSBC
iSBC
iSBC
iSBC
iSBC
iSBC
iSBC
iSBC
iSBC
iSBC
546,
Diagram
548
547
548
547
546
546
547
548
548
546/547/548
Territorial
iSBC
iSBC
iSBC
iSBC
iSBC
iSBC
548
547
546
546
547
548
Layout
Test
Engineering
static
Dynamic
Layout
Initialize
Wiring
Connector
Connector
P2
Pin
Interface
J5
Signal
Address
jumpers
Test
iSBC
High
High
High
and
Functional
Board
Board
Board
RS232
Service
Schematic
Schematic
Schematic
Board
Board
Board
of
Shared
Structure
Structure
of
Queue
Message
List
•.....•.......•..•.•...•....
Pl
Pl
Assignments
Pin
Assignments,
Pin
A!;signments,
Pin
Assignments,
Connec:::tor
Desc:::riptions
iSBC
iSBC
options
and
Addresses
Firmware
Result
547
Codes
FIGUlRES
and
Performance
Performance
Performance
iSBC
548
BLock
Connector
Connector
Connector
Cable
Construction
Boards
Telephone
Diagram
Diagram
Diagram
Jumper
Jumper
Jumper
(Dual
Boot
Area
Area
Layout
Layout
Area
.............................
Format
Pin
Assignments
Signal
Descriptions
......................
J5
Pin
..................
546
Boards
547/548
And
Boards
Jumpers
..................
Features
..•..........•........
iSBC
548
Terminal
Terminal
Terminal
Functional
Diagram
Locations
Locations
Locations
Memory
Map
Numbers
......................
......................
......................
Location
Location
Location
Port)
..................
..................
..................
Memory
Layout
................
.....................
.........................
........................
......•....
.......
iSBC
iSBC
iSBC
546
547
548
......
......
......
Assignments
.....••.......
..........
.............
...............
Boards
........
Controller
Controller
Controller
Block
Diagram.2-2
...............
.............
..............
..............
...............
..............
............
..............
....
...
...
...
3-7
5-l
5-3
5-5
5-6
5-7
5-9
5-ll
5-12
A-l
A-3
A-4
A-6
B-2
B-59
1-5
1-6
1-6
1-7
2-6
3-4
3-5
3-6
3-8
4-2
6-2
6-4
6-l5
6-27
A-7
A-8
A-9
B-6
B-7
B-9
B-10
B-10
B-12
x

FIGURES
(continued)
PAGE
B-7
B-8
B-9
B-10
B-11
B-12
B-13
B-14
B-15
B-16
B-17
B-18
B-19
B-20
B-21
B-22
B-23
B-24
B-25
B-26
B-27
B-28
B-29
B-30
B-31
B-32
B-33
B-34
B-35
B-36
B-37
B-38
B-39
Enable
Disable
Message
Message
Configure
Transmit
Abort
Suspend
Resume
Assert
Set
CTS
Clear
Set
DSR
Clear
Set
RI
Clear
Clear
Set
Break
Clear
Download
Execute
Clear
Transmit
Input
Download
Carrier
Carrier
Buffer
Transmit
Transmit
Transmit
DTR
and
CTS
Report
DSR
Report
RI
Report
DTR
Break
Message
Command
Receive
Complete
Available
Complete
Detect
Loss
Initialization
Autobaud
Special
DSR
Detected
DSR
Lost
RI
Detected
RI
Lost
EPROM
Complete
Character
Message
Message
Checksum
F0rIl1at
Format
Message
Message
Message
Message
Message
CD
GatE~s
and
CD
Message
Report
Message
Message
Message
Message
Message
Message
Buffer
message
Message
Message
Responses
Message
Message
Format
.... " ..............................
...................
..................
Pormat
Format
Message
Format
Message
Gates
Message
Format
Message
Format
Format
Format
Format
Format
Command
Message
'Message
Format
Format
Message
Received
Format
Format
Format
...........................
................
Format
..........
...........
Format
Format
.........
..........
•..............
Format
.....
Format
...........
Format
•........
............
Format
..........
................
................
.......................
.................
Format
...................
Message
Format
Format
Format
.................
...................
.................
....................
.....••.•.............
Message
Format
Message
Format
.................
Format
......................
..........................
.......................
"
........
"
........
"
........
"
........
"
........
"
........
"
........
"
........
"
........
... " ........
"
........
"
........
'
.........
'
.........
,
.........
'
.........
'
.........
Format
......
..........
........
B-13
B-14
B-15
B-21
B-22
B-23
B-24
B-25
B-2 6
B-27
B-28
B-29
B-3 0
B-31
B-32
B-3 3
B-34
B-3 7
B-38
B-40
B-41
B-43
B-44
B-45
B-46
B-47
B-48
B-49
B-50
B-51
B-52
B-53
B-60
xi


CHAPTER
1
1.1
The iSBC
INTRODUCTION
548,
controllers
and
iSBC 547
channels
The
purpose
boards.
plus
The
information
features,
a
specifications.
1.2
This
and
BOARD
section
iSBC 547
iSBC 547
to
be
used
are
eight
a
line
of
this
remaining
on
all
the
brief
FEATURES
description
provides
boards.
and
in
channel
printer
chapter
chapters
boards.
a
brief
GENERAL
iSBC 546
the
MULTIBUS I environment.
controllers.
i.nterface
is
to
This
of
list
are
introduce
will
chapter
each
of
three
and
provide
board
key
features
clock/ca.lendar.
INFORMATION
single
The iSBC 546
you
to
more
gives
and a list
board
The iSBC 548
all
three
detailed
a.
list
of
of
the
terminal
has
four
of
the
iSBC 548
key
o
Eight
o
Supports
Mhz
configuration,on
o 32K
up
Byte
to
64K
Boards)
o
Each
serial
Baud.
Up
to
0
96K
Character
Jumper
0
0
Jumper
0
Jumper
80186
asynchronous
dual-ported
Byte
EPROM
channel
Baud
or
Tandem
selectable
selectable
selectable
Microprocessors.
RS232C
eight
channels.
B~,
sites
96K
populated
supports
(per
board)
Mode
memory
I/O
MUL'l'IBUS
mapping
throughput
not
mapping
interrupts
1-1
interface
Byte
local
transfer
used)
in
with
rates
rate
DTE
RAM
and
:i:irmware
up
to
(Special
supports
(All
19.2K

The
iSBC
follows:
o
546
o
o
o
The
iSBC
on-board
board
Four
Line
channels
printer
Clock
547
backpanel
differs
calendar
GENERAL
is
a
10"x
connectors.
from
of
RS232C
interface
with
:rNl~ORMATION
12"
the
instead
battery
form
iSBC
factor
548
of
back-up
and
eight
board
iSBC
channels
with
548
boards
as
1.3
BOARD
sections
iSBC
a
and
548,
much
1-4
simplified
show
respectively.
1.3.1
ThE:
boa.rd
The
its
or
the
the
the
reset
The:
iSBC
iSBC
communicates
board
cpu.
receiving
attention
MULTIBUS
MULTIBUS
an
iSBC
Controllers
generators,
separate
Baud.
9-pin
Two
connectors
DESCRIPTIONS
1.3.1,
iSBC
the
1.3.2
547
iSBC
548
548
board
uses
The
an
80186
data
of
the
interface
host
interrupt
548
board
(SCC).
allowing
baud
rates.
40-pin
and
and
iSBC
diagram
548,
BOARD
is
with
Intel
DESCRIPTION
a MULTIBUS
a MULTIBUS
80186
controls
from
the
MULTI
to
to
interrupt
to
the
has
four
Each
82530
each
The
connectors
via
ribbon
1.3.3
for
iSBC
546
all
provide
boards
three
547
based
host
microprocessor,
eight
MUL'TIBUS
BUS
host
the
host.
MULTIBUS
the
by
board,
host
on-·board
SCC
contains
channE~l
maximum
can
to
baud
be
attached
cable.
general
respectively.
boards.
and
iSBC
terminal
as
serial
host.
The
generating
A
flag
generated
82530
be
independently
rate
546
a
slave
operating
channels
on-board
byte
to
reset
Serial
two
per
to
descriptions
Figure
Figures
boards
con1:roller.
boa.rd.
sending
80186
an
interrupt
mechanism
thE!
board,
by
the
Communications
on-chip
baud
programmed
channel
IBM
PCAT
of
1-1
1-2,
1-3
The
at
8 Mhz
data
gains
over
allows
or
board.
rate
is
19.2K
compatible
the
is
as
to
to
for
ThE!
total
by
iSBC
of
other
548
board
128
KBytes
MULTIBUS
has
per
boards.
four
board.
64K x 4
The
J.-2
DRAM
upper
(Dynamic
32K
Bytes
RAM)
can
devices,
be
addressed
a

The
board
populated
also
with
includes
firmware
GENERAL
two
28-pin
EPROMs.
INFORMATION
sockets.
These
sockets
are
1.3.2
The iSBC 547
system
iSBC
320.
547
board
The
board.
The
board
its
CPU.
or
receiving
t~e
attention
the
MULTIBUS
the
MULTIBUS
reset
The
eight
9-pin
the
IBM
The iSBC 547
Controllers
uses
The 80186
data
of
interface
host
an
interrupt
serial
connectors.
PCAT
connections.
board
(SCC).
an
generators,allowing
separate
baud
rates.
Baud.
The iSBC 547
total
by
of
other
board
128
KBytes
MULTIBUS
BOARD
is
a
board
communicates
Intel
controls
from
the
MULTI
to
interrupt
to
the
interfaces
The
9-pin
has
Each
each
The maximum
has
per
boards.
DESCRIP'l~ION
terminal
controller
with
80186
microprocessor,
eight
the
MULTIBUS
BUS
to
the
MULTIBUS
host
host.
on
the
the
by
board,
host
iSBC 547
connections
four
on-~)oard
82530
sec
channel
contains
to
baud
four
64K
board.
x 4
~~he
upper
a
MULTIBUS
serial
host.
channels
The
generating
A
flag
byte
to
generated
are
82530
Serial
two
be
independently
rate
DRAM
(Dynamic
32K
expansion
host
operating
on-board
an
mechanism
reset
the
by
board
fully
are
compatible
communications
on-chip
per
channel
RAM)
Bytes
can
to
the
as
a
at
8
sending
data
80186
interrupt
allows
board,
the
board.
through
baud
rate
programmed
is
19.2K
devices,
be
addressed
Intel
slave
Mhz
gains
over
or
eight
with
for
as
to
to
a
The
board
populated
1.3.3
also
with
iSBC
The iSBC 546
board
communicates
includes
firmware
546
board
BOARD
is
a
with
two
28-pin
EPROMs.
DESCRIPTION
terminal
a
MULTIBUS
and
1-3
sockets.
line
host
as
These
printer
a
slave
sockets
controller.
board.
are
The

The
board
its
cpu. The 80186
or
receiving
uses
interface.
host
host.
the
MULTI
by
generating
A
flag
board,
BUS
host
data
The
byte
to
reset
generated
an
Intel
controls
from
on-board
an
mechanism
the
GENERAL
80186
the
MULTIBUS
80186
interrupt
allows
board,
by
the
INFORMATION
microprocessor,
four
ga.ins
over
or
serial
host,
the
the
to
channels,
and a line
attention
the
MULTI
MULTIBUS
reset
l:Jioard.
operating
BUS
an
interrupt
sending
of
interface
host
at
printer
t.he
MULTIBUS
to
interrupt
to
8
Mhz
data
to
the
as
to
the
The
9-pin
the
The
four
serial
connectors.
IBM
PCAT
line
printer
connections.
interface.
The iSBC 546
Controllers
board
(SCC).
generators,allowing
separate
baud
rates.
Baud.
The iSBC 546
total
by
The
of
other
board
populated
A
clock/calendar
board
128
KBytes
MULTIBUS
also
with
non-rechargeable
for
six
months
interfaces
The
interface
has
Each
each
has
per
boards.
includes
firmware
circuit,
battery
with
all
on
the
9-pin
two
connections
is
compatible
on-board
82530 sec
channel
The maximum
four
64K
board.
two
28-pin
The
EPROMs.
unique
which
other
keeps
power
iSBC 546
82530
contains
to
be
baud
x 4
DRAM
upper
sockets.
to
the
the
off.
are
with
Serial
board
fully
two
are
the
Communications
on-chip
independently
rate
per
channel
(Dynamic
32K
Bytes
These
iSBC
546,
clock/calendar
through
compatible
IBM
line
baud
programmed
is
RAJ~)
can
devices,
be
sockets
is
backed
operating
four
with
printer
rate
for
19.2K
a
addressed
are
up
by
a
1-4

INTERFACE
CHLS 7 AND
(iSBC'
,------
INTERFACE
CHlS
(iSBe'
548
548
RS232
ONLY)
RS232
5 AND 6
ONLY)
5471
5471
GENERAL
8
---
-
INFORMATION
REFRESH
LOGIC
(ALL
BOARDS)
5
MULTIBUS'
3
r
'"
RAM
(ALL
BOARDS)
REFRESH
CONTROL
SIGNALS
I RAM CONTROL
SIGNALS
RAM
CONTROL
(ALL
BOARDS)
PAINTER
INTERFACE
(iSBe
ONLY)
Figure
546
1-1.
I
I
L
CLOCK!
CALENDAR
INTERFACE
(iSBC'
546
ONLY)
iSBC
Block
__
546,
Diagram
iSBC
MICROPROCESSOR
_
(ALL
547
80186
(ALL
ROM
and
BOARDS)
BOARDS)
iSBC
548
2335
Boards,
1-5

GENERAL
INFORMATION
Figure
PIN 1
TOP
PIN2
BOTTOM
CONNECTOR
1-2.
MULTIBUS'
P1
iSBC
PIN 39
TOP
PIN 40
BOTTOM
548
SERIAL
CONNECTOR
High
PIN 1
TOP
PIN2
J1
BOTTOM
MULTIBUS'
CONNECTOR
Performance
P2
Terminal
PIN 39
TOP
PIN
BOTTOM
40
SERIAL
CONNECTOR
J2
Controller
Figure
1-3.
iSBC
547
High
Performance
1-6
Terminal
Controller

GENERAL
INFORMATION
PRINTER
INTERFACE
CONNECTOR
J5
SERIAL
CONNECTOR
J4
/
SERIAL
CONNECTOR
J3
/
SERIAL
CONNECTOR
J2
/
Figure
1-4.
iSBC
MULTI BUS .
CONNECTOR
548
High
P1
Performance
1-7
GONNECTOR P2
Terminal
MULTIBUS'
2341
Controller

GENERAL
INFORMATION
1.4
Table
SPECIFICATIONS
1-1
specifications.
Table
Board
iSBC
iSBC
1-1.
Performance
547
546
summarizes
iSBC
and
iSBC
the
546,
(Transfer
548
iSBC
iSBC
Boards
546,
summary
547,
iSBC
and
Rate)
547
and
iSBC
iSBC
Eight
548
RS232C
configured.
transfer
19.2K
Baud.
performance
is
96K
Baud.
Four
RS232C
configured.
transfer
19.2K
Baud.
548
boards
Specifications
channels
Maximum
rate
per
Typical
with
:firmware
channels
Maximum
rate
per
channel
DTE
channel
DTE
Interfaces
iSBC
546
Board
1-8
MULTI
P2.
BUS
All
connectors
MUL'I'IBUS
supported.
power-up
pulse
of
requires
at
microseconds
Four
9-pin
Line
one
RS232C
connectors.
printer
25-pin
Interface
with
IBM
interface
exception
and
SELECT-INPUT
are
not
supported.
The
least
duration.
channels,
interface,
connector.
is
compatible
PC
Line
with
that.
PI
signals
board
an
at
INIT
50
four
Printer
the
AU'rOFEED*
signals
and

GENERAL
INFORMATION
Table
iSBC 547
iSBC 548
1-1.
iSBC
Board
Board
546,
iSBC
Sumlllary
S47,
and
iSBC
(continued)
MULTI
P2.
supported.
board
pulse
microseconds
Eight
eight
MULTI
P2.
supported.
board
pulse
microseconds
Eight
40-pin
548
BUS
connectors
All
MULTIBUS
requires
of
at
RS232C
9-pin
BUS
connectors
All
MULTIBUS
requires
of
RS232C
connectors.
specifications
signals
On
power-up
an
least
duration.
channels
connectors.
signals
At
power-up
an
at
least
duration.
channels,
PI
INIT
50
Pl
INIT
50
and
the
and
the
two
Electrical
Requirements
+5.00V + 0.25V
+l2.00V
-12.00V
+
0.60V
+
0.60V
Environmental
Temperature
Humidity
Characteristics
(Max. )
(Typ.
(Max. )
(Typ.
(Max. )
(Typ.
1-9
iSBC 546 iSBC 547 iSBC 548
3.260A
1.
)
0.075A
)
0.390A
0.069A
)
0.041
o
200
5%
(25
700A
to
55
LFM
to
to
degrees
of
90%,
55
3.490A
1.
870A
0.l50A
0.082A
0.l38A
0.082A
3.490A
1.
0.150A
0.082A
0.138A
0.082A
C, minimum,
airflow
non-condensing
degrees
C)
870A

GENERAL
INFORMATION
Table
Physical
width
Length
Height
1-1.
(Including
iSBC
546,
Dimensions
iSBC
Summary
Components)
547,
and
(continued)
iSBC
1:2.00
(30.48
10.00
(25.40
0.50
(
1.
27
iSBC
546
in
cm)
in
cm)
in
cm)
548
iSBC
12.00
(30.48
10,,00
(25.40
0.50
(
1.
27
specifications
547
in
cm)
in
cm)
in
cm)
iSBC
12.00
(30.48
7.00
(17.78
0.50
(
1.
548
27
in
cm)
in
cm)
in
cm)
1-10

CHAPTER 2
2.1
This
boards,
and
will
INTRODUCTION
chapter
the
iSBC 548
be
described
separately.
2.2
Figure
boards.
iSBC
2-1
The
dimensions
connectors
connectors
The
iSBC 547
interface,
~ruLTIBUS
is
describes
iSBC
boards
547
is
a
boards
and
in
(eight
for
the
and
both
through
546,
are
jointly.
AND
iSBC
block
are
the
9-pin
iSBC
iSBC 548
are
slave
edge
the
operation
the
iSBC
functionally
The iSBC
548
diagram
functionally
type
and
connectors
548).
boards
boards
connectors
of
547,
and
identical
546
FUNCTIONAL
for
the
iSBC 547
identical
number
of
for
can
not
only.
PI
BOARD
the
three
the
iSBC
and
board
DESCRIPTIONS
serial
the
address
The
and
will
and
and
iSBC 547
interface
P2.
OPERATION
controller
548.
interface
the
The
their
be
considered
iSBC 548
differ
and
MULTIBUS
to
iSBC 547
operation
only
two
40-pin
the
in
30th
as
bit
without
'rhe
sending
data,
from
(shared
HULTIBUS
enabled.
for
HULTIBUS
The
B,
boards
their
internal
the
80186
data
through
the
dual
data
structure
section
main
on
MULTIBUS
host
The
from
host.
B.3.1
communication
(dynamic
structures
use
an
Intel
processors.
architecture.
need
the
of
a
iSBC
,through
them,
to
is
port
memory)
informs
80186
the
of
table
then
MULTIBUS
the
of
this
in
area),
80186
The
separate
547/548
them,
the
by
use
the
polls
in
on-bc)ard
microprocessor,
80186
The
80186
bus
controls
from
MUL'l~IBUS
of
a 32K
the
those
host,
communication
manual.
the
on-board
a
status
2-1
has
provides
controller
eight
the
MULTIBUS
host.
Byte
on-board
80186
channels
or
the
table
The
main
RAM
queue
operating
a
16
bit
data
all
device.
serial
host
Data
transfer
communication
dual-port
which
serial
continuously,
need
are:
to
is
described
blocks
a command
supply
in
(static
bus
bus
controls
channels
or
receiving
to
table
RAM.
channels
data
in
the
queue
structures
at
8
Mhz
and
16
and
The
are
looking
to
the
Appendix

CHANNEL
CHANNEL 4
BOARD
8
OPERATION
80186
PROCESSOR
,-------------
REFREQ
,-~~----
C
SELMBL,
REFRESH
LOGIC
______
HOST
M_V_L,T,',B_V_S_' ____
·:-----1
,---'"'----,
RAS',eM,'
RAM
CONTROL
AND
ARBITRATION
LOGIC
----
WRLWRH'
---
AD'
128 K
AAM
BYTES
o~-o15
A1·A8
----<J
CHANNEL
2
CHANNEL
RS23~1
CKT
NOTE:
ISBC'
547 AND
ISBC"
FUNCTIONALLY IDENTICAL
EIGHT SERIAL CHANNELS OF THF
Isac"
THROUGH 8 PIN CONNECTORS THE
EIGHT SERIAL CHANNELS OF THE
ISSC' 548 ARE BROUGHT OUT
THROUGH TWO 40·PIN
CONNECTORS
548 ARE
BROUGHT
THE
our
547
ARE-
Figure
2-1.
IOB~·IOB7
I/O
BUFFER
iSBC
547
ENLCL, ENLCH, LDCOEN
~-~-l
-
,.---------"'-=~·I
L-----,JJ
and
iSBC
548
'~=-l-""
[I"'"''
I
Functicmal
F~==-d
-='
.
Block
Diagram
j
2338
2-2

BOARD
OPERATION
a~ea),
rE:!cei
board
board
queue
the
Table
T::1e
a
ve
80186
80186
by
host.
A-2.
flag
transmission
buffers.
generating
The
byte
controller
t::le
MULTIBUS
interrupt,
eige
The
a::idress
tile
through
Ea.ch
triggered
flag
byte
(see
MULTIBUS
PCS5*
of
the
populated
firmware.
dl:~tail.
Although
boards
with
o:E
250
the
can
zero
ns
different
The
to
the
gains
interrupt
mechanism
board,
host
sent
by
input
is
mapped
Appendix
host
(asterisk
controller
by
two
Appendix
controller
support
wait
or
size
states.
less.
EPROMs
area
MULTIBUS
command
the
attention
an
interrupt
to
reset
generated
the
MULTIBUS
to
A ,
is
done
boards
Intel
B
2764
of
27128
The
No
jumper
are
(transmit
host
queUE!
line
is
allows
the
by
the
interrupt
to
I/O
Table
by
writing
indicates
include
EPROMs
this
manual
boards
and
27256
optional
changes
used.
gains
by a flag
of
the
over
jumper
the
MULTIBUS
board,
the
board.
host
space
A-2
of
signal
which
describes
are
supplied
EPROMs
EPROMs
buffers),
the
byte
MULTIBUS
the
MULTIBUS
selectable
or
to
The
to
the
line
at
a
jumper
of
this
data
to
is
two
28-pin
contain
as
must
need
be
and a set
attention
interrupt.
host
interface
as
host
reset
to
an
flag
controller
the
on-board
selectable
manual).
an
I/O
active
low).
sockets
the
the
firmware
with
well.
2764
The
have
made when
of
of
the
The
to
the
shown
in
interrupt
interrupt
byte
board
80186.
Interrupting
port
addressed
which
controller
in
EPROMs
EPROM
access
the
on-
on-
status
to
the
to
is
are
the
runs
times
an
Each
of
RAM
b::>ard
at
are
of
128K
can
processor.
several
jumper
manual).
'Il:1e
RAM
device.
arbitrate
80186
H
..
hl1
is
the
on-board
even
when
the
boards
Bytes
be
addressed
different
selectable
The
is
controlled
The
PAL
between
and
enables
selected
the
of
on-board
The
RAM
operates
generates
by
80186.
memory
has
by
dual-port
starting
the
the
the
The
is
four
64K x 4
RAM.
other
(see
Table
with
with
a
PAL
all
MULTIBUS
address
LCS
(Lowler
memory
locked.
DRAMs
~rhe
upper
MULTI
HAM
BUS
can
addresses.
A-3
in
:z:ero
wait
(Programmable
signals
host,
the
lbuffers
Chip
arbiter
2-3
(Dynamic
32K
boards
be
seen
The
Appendix
states.
needed
refresh
as
required.
Select)
allows
Bytes
as
well
from
starting
A
Array
to
control
logic
signal
refresh
RAMs), a
of
the
on-board
as
the
the
MULTIBUS
addresses
of
this
Logic)
the
and
The
on-board
generated
of
the
total
on-
RAM,
the
by
RAM

RAM
refresh
80186.
to
the
addresses
The
serial
flour
rate
secs.
82530
clock
Each
allowing
this
manual
A
PAL
each
uses
divide
arbiter
the
RAM.
channels
Serial
for
the
channel
channel
describes
BOARD
a 1
Mhz
output
by
15
counter
every
of
15
the
controller
Communication
serial
has
its
to
be
baud
channels
own
rate
OPERATION
from
causes
Timer 1 of
a
microseconds.
boards
Controller
is
generated
two
on-chip
programmed
programming.
refresh
An
eight
are
(SCC)
baud
separately.
the
on-board
request
bit
to
counter
implemented
chips.
by
the
rate
The
82530
generators,
Chapter
be
baud
4
sent
in
of
The
82530
through
the
RS232
by
the
2.3
The
and
iSBC
iSBC 546
548
interface
circuit
The
iSBC
boards;
as
the
same
SCC
The
manner
devices
line
8255A
output
SCCs
PCS4*
serial
PCSo*
boards.
connector
and
546
it
other
printer
Programmable
mode).
Approximately
the
PAL
generates
printer
active
indicating
for
Acknowledge)
allows
more
are
selected
outputs
of
connectors
line
546
board,
of
the
FUNCTIONAL DESCRIPTION
Figure
It
differs
and
supports
processes
has
the
boards.
as
on
are
used.
same
the
only
data
The
iSBC
interface
by
the
are
80186.
2-2,
primarily
associated
four
in
on-board
serial
547/548
is
Peripheral
A
PAL
two
one
microsecond.
is
returned
data
to
device
microseconds
a
LP
data
be
STB*
to
by
sent.
controls
the
When
the
the
PCSl*
on-board
all
tied
is
similar
circuitry,
serial
the
same
RAM
channels
boards
implemented
Interfa,ce
timing
after
(Line
Printer
printer
LP
ACK
printer
(Peripheral
80186.
to
in
that
channels.
manner
and
controls
are
except
through
(PPI
data
is
Strobe)
is
valid.
(Line
it
The
one
to
both
it
a
as
controlled
operated
and
the
written
Printer
clears
DSR
input
the
has
Chip
signals
a
Select)
port
iSBC 547
line
clock/calendar
the
other
it
in
same way
in
only
LP
two
port
line
to
signal
STB*
the
port
A
of
in
strobed
printer.
port
to
stays
82530
from
decoded
printer
two
the
an
A
the
and
The
board
map
8255A
80186.
for
the
PPI
is
The
controller
selected
PPI
replaces
by
boards.
the
one
2-4
PCS3*
of
signal
the
SCC
generated
devices
in
by
the
the
I/O
on-

The
interface
bits
of
status
SELECT
The
line
interface
printer.
rrhe
clock
KHz
crystal.
as
does
used
by
in
the
Coding
the
lines
(Line
printer
and
calendar
the
both
8255A
of
the
does
DSR
LP
Printer
with
The
line
input
inform
two
not
port.
BUSY
Select).
interface
proper
circuit
interface
printer
or
the
bits
have
These
(Line
output
is
BOARD
OPERATION
RS2:32
four
Printer
is
compatible
cabling
uses
to
the
interface.
strobed
PAL
of
as
follows:
lines
lines
Busy),
interfaces
a
MM58167
MM58167
Port
mode. PC4*
either
5
through
are
NO
with
clock
uses
B
input
used
PAPER,
to
of
or
for
the
a
chip
the
the
and
output
8,
freeing
line
printer
FAULT
IBM
line
Centronix
and
a
same
8255A
PC5*
PAL
device
generated
mode.
four
and
printer
line
32.768
device
LP
is
Output
Input
Reset
Interface
Reset
Only
1;'1henever a new
,.3.nd
PC5*
::node,
correct
clock
'the
clock
clock
'rhe
PAL
sent
must
input
logic
by
chip
generates
to
the
or
order,
internal
are
clock
::.')ytes.
'rhe
clock/calendar
'ilhich
power.
insures
The
battery
Function
to
Clock
From
LP
and
Clock
clock
be
set
reset
output.
level
and
starting
RAM
addressable.
the
or
received
is
at
least
back-up
Mode
Clock
Mode
Clock
Interface
is
issued
to
0,0
Then
area.
the
from
PC~~*
hardware
milliseconds
Only
control
backed-up
six
months
is
PC4* PC5*
1
0 1
1 1
0 0
or a clock
and
the
port
and
PC5*
supplies
the
first
~;ignals
from
the
for
clock
read
set
are
programmed
the
and
all
16
the
8255A
consists
by a non-rechargeable
operation
~iumper
selectable.
with
0
is
to
the
address
the
addresses
PPI.
no
off-board
started
PC4
appropriate
to
the
to
the
way
up
to
in
the
The
data
of
eleven
battery
*
2-5

BOARD
OPERATION
PRINTER
CONNECTOR
CHANNEL 4
LOAlO·
LDAT7,
OSR5·0SRs
TRANSCEIVER
IOBP-9
PROGRAMMABLE
PERIPHERAL
INTERFACE
ClKBUSO-
CLKBUS7
CLOCK
AND
CALENDER
CKT
110
BUFFER
10BO-
IOB7
'r----------
ADO-AD?
80186
PROCESSOR
ADO-.I\.015
'------
MUlTiBUS"
t)
~
MULTIBUS"
BUFFER
AORO-.IORF
DATO-CIATF
]
SELMBL,
REFRESH
LOGIC
(~
HOS
T
~
Ii
U
00-015
Al-AB
LOC
DEW
:::)
RAS·. CAS'
r--------
WRl',
WRH'
~
1
RAM
BUFFERS
128K
RAM
BYTES
00-015
i
~
~
AAMCONTROL
AND
ARBITRATION
LOGIC
ADO-AD15
Figure
2-2.
iSBC
546
Board
2-6
Functional
Block
2336
Diagram

CHAPTER 3
INSTALLATION
3.1
This
iSBC
INTRODUCTION
chapter
548,
installation
and
Appendix
according
procedures
3.2
Inspect
of
water
carton
carton
packing
United
UNPACKING
the
mishandling
stained,
is
is
material
states
contacting
(see
states
Chapter
should
authorized
assistance.
explains
iSBC 547
to
you
A
your
in
should
Jumper
this
AND
shipping
during
request
opened.
opened
and
for
customers
the
Intel
6
for
contact
distributor)
how
and
iSBC 546
read
Information.
system
requirements
chapter.
INSPECTION
carton
transit.
the
If
the
carrier's
the
contents
the
agents
can
product
more
information).
their
for
to
receive,
boards.
Chapter
immediately
If
carrier's
inspection.
obtain
service
sales
service
inspect
However,
4
Programming
Once
you
proceed
upon
the
shipping
agent
agent
are
damaged,
service
hotline
customers
source
information
have
be
is
not
and
(Intel
and
before
set
with
receipt
carton
present
present
keep
repair
in
Phoenix,
outside
sales
and
then
install
Considerations
up
the
jumpers
the
installation
for
evidence
is
damaged
when
the
when
the
carton
assistance
Arizona
the
United
office
repair
the.
or
the
and
by
or
3.3
COMPATIBLE
The iSBC 548
The iSBC 547
the
Intel
System
The iSBC 546
EQUIPMENT
can
be
board
320.
is
part
installed
serves
of
the
in
any
MULTIBUS
as a terminal
basic
Intel
3-1
Compatible
controller
System
320.
chassis.
expansion
to

INSTALLATION
3.4
The
INSTALLATION CONSIDERATIONS
following
consideration
THe
different
iSBC
space.
548,
address
The
selectable
MULTIBUS
each
I/O
mapping,
lines.
used
In
a
required
same
cannot
As
an
unused
unused
address
controller
Under
in
a
system
the
I/O
address
share
example,
I/O
address
configured
can
be
installed
interrupt
sections
for
547,
board's
(see
Table
board
different
these
system.
application
boards
the
if
address
locations
to
(see
line
and
the
three
and
locations
flag
A-3)
space.
(iSBC
conditions
are
and
the
same
a
system
address
lines,
Table
in
the
use
describe
some
boards.
546
boards
(see
byte
with
Table
address
eight
The iSBC 548
548,
memory
where
grouped
same
mapping
up
to
more
so
interrupt
space.
has
one
in
the
in
the
range
A-4),
system.
either
than
The
one
can
547
eight
than
that
unused
8AO
20
boards
or
of
the
be
configured
A-4)
(wake-up
options
and
iS4H
or
546)
and
different
controller
eight
several
line.
interrupt
through
the
controller
different
will
two
I/O
installation
to
in
the
MULTIBUS
address)
available
In
the
would
have
.interrupt
controller
boards
The
boards
line,
8A7
range,
controller
share
addresses.
reside
is
in
most
different
boards
boards
share
however
and
boards
the
in
address
jumper
the
ideal
can
the
two
20
can
boards
same
32
mult
be
are
be
3.4.1
On
all
CONNECTOR
three
connectors.
Table
5-1
connector
Table
On
5-1
the
iSBC 548
connectors
Pin
and
on
and
(see
CONFIGURATIONS
boards
assignments
Table
each
board
Table
board
Table
connectors
5-3
respectively.
is
shown
5-3
respectively.
connectors
5-6
for
for
PI
and
each
in
Figures
Jl
and
pin
assignments).
3-2
P2
are
connector
The
location
3-1,
J2
are
the
MULTIBUS
are
the
provided
of
3-2,
serial
each
and
in
3-3.
I/O

On
the
iSBC 547
connectors
On
the
iSBC 546
connectors
the
printer
and
Table
(see
(see
interface
5-8
for
board
Table
board
Table
signal
INSTALLATION
connectors
5-5
for
connectors
5-4
for
connector
descriptions).
Jl
through
pin
assignments)
Jl
through
pin
assignments).
(see
Table
J8
J4
5-7
are
the
.
are
the
connector
for
pin
serial
serial
J5
I/O
I/O
is
assignments
3.4.2
In
order
iSBC 546
the
user.
the
backup
BATTERY
to
use
board
In
the
battery
BACKUP
the
the
jumper
default
is
battery
installed
backup
between
condition
E30
but
for
(as
the
the
clock/calendar
and
E3l
delivered
jumper
must
from
is
be
not.
on
installed
the
factory)
the
by
3-3