Pengo Computer Accessories 386SX User Manual
1
Computer Specifications
1
CPU and Memory
16&n CPU
On-board memory
ROM
Math coprocessor
80386SX m~ropmmssot. 16
Ilmulated 8 MHz clockrate. selecrable
through a
swtch
or
24sbit address and
IMB
RAM on main system board;
expandable usmg 256KB or IMB
to 2UB.
4MB.
or
14MB
7on5
64KB
80387SX
oprmnal
6MB.
(maximum);
access speed or
(16
MHz)
MHz
thmugh
software
16.tilt
data bus
8MB. IOMB. IZMB,
SIMM5
must
fasrer
support; coprocessor
or
SIMM5
be
EQUITY 386SX
Mass Storage
Three half-hetght drwes
Standard
Cptmnal
Optwnal
oponsl
Optwnal
3 ‘I:-mch diskette drwe. I
detwty)
storage
3
‘/:mch
dtskettc drive, 720KB (double-
dens~ry) storage
3
‘/:mch
diskette
dens~ry)
storage capacuy
i’/.,mch daketrc
density) storage
5
‘/,,mch dnkerte drwc. 360KB (double-
densly)
storage
3 ‘/:-Inch hard
mountmg.frame),
3
‘/:,mch hard
mounrmg frame).
Keyboard
Detachable, three positrons.
101
sculpted keys
Lavour
Funcnon
IS
kevs
58-key QWERTY mam keyboard;
17-key
numcr~c/cursor pad; IO cursor keys;
16
funcrmn keys (user~dehnablc)
Four levels (normal. sh,ft. control,
alternate); user-definable
maxmum
.44MB
capacw
capacw
dwe. 1.44MB
drwe,
I.2MB
capacq
capacw
duk
drwe (tn a S’/vmch
4OMB
storage capacny
dtsk
drwe (m a 5’Ivmch
1COMB
storage capacity
(high-
(htgh-
(htgh-
Controllers
Diskette
Hard dnk
Interfaces
Senal
Pa&ICI
Auxdlary
Option slots
Speaker
Clock/calendar
RAM
Supports up to two drives m any of four
formats: 3 ‘/:.mch. hlgh,densiry. 1.44U6;
3 I/:-mch,
double-dewy.
5
I/.-Inch. high-dewy. 1.2UB;
5 ‘/,-Inch,
controller on mam system board
Supports up ro two drives
40MB or
RS-232C. programmable, asynchronous;
DB-9P male connector
Standard
cOnnectOr
Mm1
mouse or other dewce
Fwc standard mput/output cxpanslon slots
(one with 8-bit bus and four wuh 16-bit
bus); one
parallel uuerface card
Internal
Real-time clock. calendar. and 64.byte
CMOS RAM for conftgwatmn; battery
backup
double-dewy, 36OKB;
100MB;
8-bar
parallel; DB-25s female
DIN
(6-p1n)
spccnl slor
720KB;
or
wallable
embedded conrrolier
cc.nnector for IRQ 12
occupied by a serial/
m
Environmental Requirements
Temperature
Humidity
Operatmg range: 41” to
Storage range:
Operatmg
Storage range: 5% to 95%.
Physical Characteristics
Width
Depth
Hctght
Wclght
(wthout
keyboard)
15.7 mches (400 mm)
16.4 mches (416.5 mm)
6.2
Inches
Smgle diskette
(10.5 kg)
4OMB
24.9Ib(ll 3kg)
( 50
40”
(400
range: 20% ro 80%.
non-condensing
non-condensing
(157 mm)
dnvc
or
IOOMB
hard &sk dnve
104’
F
to 35” C)
to 158” F
to
60”
C)
model: 23.2 lb
model:
Power Supply
Swtchung
(swtch-selectable). 140 W; +5 VDC.
+I2 VDC. -5 VDC. -12 VCC;
tvpe.
fan-cooled. II
Equity Series Computers
51230
50/&l
VAC
Hz
9/22/89
EQ386SX-1
EQUITY 386SX
0
1
Switch Settings
CPU SPEED
There are no DIP switches on the Equity
1
Mck
388!X
However, there is a CPU SPEED switch on the front of
the unit in the lower left hand corner.
The CPU SPEED
16MHt.
When the computer is running at
switoh
selects between BMHz and
8MH2,
the
power light is orange, and at 16MHz, the light is green.
Connector Pin Assignments
1
Parallel Port Connector
13
0000000000000
000000000000
25
Serial Port Connector
1
2
3
4
5
6
7
6 CT9
9
CDC
SIN
sour
DTR
&
RTS
RI
I
I
0
0
b
I
I
Keyboard Connector
PIN
NUMBER
1
2
3
4
5
DalaeanlardMwt
Raoeta dam
flalwmltdnm
Dammmlkmifasdy
s-ground
maeetmdy
Requeettosalnl
aarlosald
Rhlg
Indhmr
8lGNAl
aook
Dam
N.C.
GmlSld
+s VDC
GlUU”d
fWNUL(BER 8lGNUNAME
1
2
3
4
5
6
7
5
9
10
11
12
13
14
15
16
17
18-25
FG
- STROBE
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
-ACU
BUSY
PE
SLCT
AUTOFD
-
ERROR
- INIT
- SLCTIN
SG
FG
EQ386SX-2
DfREcTloN
0
:
:
0
0
:
I
I
I
b
I
I
I
DEscR1PlloN
Prhtw SIrcbe
m&O
Data 1
Data 2
Data3
Dal64
Dam
5
Dams
Dam
7
Printer
acknav(edge
Prklm bu3y
P~fltaf paper empty
Pfhter select
AUlOhdXT
Prhtw
error
Printer lnitlaiize
Prhtersaleclin
slgnd gmund
Frame around
Mouse Connector
PIN
NUMBER SIGNAL NAME
1
2
3
4
MSCLK
MSGND
MSDATA
MSVCC
6ACK
PANEL
Sk
1
Ym
0
DIRECTION
0
I
DESCRIPTION
Mouse cbck
Mouse
siglal !pufKl
Mouse
data
Mouse pcwer (+5 VDC)
Equity Series Computers
2
3
4
I/O Port Addresses
EQUITY 386SX
ADDRESS
WO-OlF
02043F
04048F
08M8F
070-07F
08OXQF
OAO-OBF
OCO-ODF
OEO-OFF
lMlF8
278-27F
2F8-2FF
378-37F
3BO-3BF
3FO-3F7
3F8-3FF
FUNCTION
Dh4A
Controller
Interrupt Controller
Timer/Counter
Keyboard controller and Port
CMOS
RAM
and
Interrupt Mask
Dh#I
Page
Fbglster
Interrupt Controller 2
DMA Controller 2
Numeric Coprocessor
Hard Disk Controller
Parallel Port 1
8erial Port 1
Parallel Port 0
Parallel Port 2 (on some video
boards)
floppy Disk Controller
Serial Port 0
Jumper Settings
I
1
Non-Maskable
B
Possible Eqwy 386xX
SlMM con~alirnls
DMA Channels
CHANNEL FUNCTlON
0
1
2 floppy disk transfers
3
4 Cascade of data from channel O-3
5
8
7
Spare
Spare
Spare (Hard disk drive)
spare
spare
We
EQ386SX-3
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