DESKPRO 386s (Models 000954 and 001143) Motherboard Settings and Configuration

COMPAQ COMPUTER CORPORATION

DESKPRO 386s (Models 000954 and 001143)

Processor
80386SX
Processor Speed
16MHz
Chip Set
Compaq
Max. Onboard DRAM
1MB
Cache
None
BIOS
Compaq
Dimensions
332mm x 333mm
I/O Options
VGA feature connector, floppy drive interface, IDE interface, proprietary system memory card slot, parallel port, serial port, VGA port, bus mouse
NPU Options
80387SX

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
BAT
IDE interface
FD2
Bus mouse port
CN1
Proprietary system memory card
M1
Parallel port
CN2
Speaker
SPK
Serial port
CN3
Main power
P0
VGA port
CN4
Drive power plugs
P1-P3
Fan power
FAN
VGA feature connector
V1
3.5 inch floppy drive interface
FD1

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
Mouse port enabled
E4
pins 2 & 3 closed

Mouse port disabled
E4
pins 1 & 2 closed
»
Factory configured - do not alter
E3
Closed
»
Fail safe timer enabled
SW1/1
On

Fail safe timer disabled
SW1/1
Off
»
NPU enabled
SW1/2
On

NPU disabled
SW1/2
Off
»
Factory configured - do not alter
SW1/3
Off
»
CPU speed select 16MHz
SW1/4
Off

CPU speed 16MHz; 8MHz when accessing floppy drive
SW1/4
On
»
Factory configured - do not alter
SW1/5
Off
»
Monitor type select color
SW1/6
On

Monitor type select monochrome
SW1/6
Off
»
IDE address select 1Fx;primary floppy address select 3Fx
SW2/1
Off

IDE address select 17x;secondary floppy address select 37x
SW2/1
On
»
Password enabled
SW2/2
Off

Password disabled
SW2/2
On
»
IDE drive interface enabled
SW2/3
Off

IDE drive interface disabled
SW2/3
On
»
VGA port enabled
SW2/8
Off

VGA port disabled
SW2/8
On

DRAM CONFIGURATION
Size
Card
Module A
Module B
1MB
NONE
NONE
NONE
2MB
1MB
NONE
NONE
3MB
1MB
1MB
NONE
4MB
1MB
1MB
1MB
5MB
4MB
NONE
NONE
6MB
1MB
4MB
NONE
7MB
1MB
1MB
4MB
9MB
4MB
4MB
NONE
10MB
1MB
4MB
4MB
13MB
4MB
4MB
4MB
Note:A 1MB or 4MB card may be installed and either 1MB or 4MB modules installed on that card.

DRAM SWITCH CONFIGURATION
Size
SW3/3
SW3/4
SW3/5
SW3/6
1MB
On
On
On
On
2MB
On
On
On
Off
3MB
On
On
Off
On
4MB
On
On
Off
Off
5MB
Off
On
On
Off
6MB
On
Off
Off
On
7MB
On
Off
On
On
9MB
Off
On
Off
On
10MB
On
Off
Off
Off
13MB
Off
On
Off
Off

BASE MEMORY CONFIGURATION
Base memory
SW3/1
SW3/2
256KB
Off
Off
512KB
On
Off
640KB
On
On
Reserved
Off
On

PARALLEL PORT CONFIGURATION
Setting
SW2/6
SW2/7
LPT1 at 3Bx
On
Off
LPT2 at 37x
Off
On
Disabled
On
On

SERIAL PORT CONFIGURATION
Setting
SW2/4
SW2/5
COM1 at IRQ4
Off
Off
COM2 at IRQ3
On
Off
Disabled
On
On

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DESKPRO 386s (Models 000954 and 001143) Motherboard Settings and Configuration

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Processor	80386SX
Processor Speed	16MHz
Chip Set	Compaq
Max. Onboard DRAM	1MB
Cache	None
BIOS	Compaq
Dimensions	332mm x 333mm
I/O Options	VGA feature connector, floppy drive interface, IDE interface, proprietary system memory card slot, parallel port, serial port, VGA port, bus mouse
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	BAT	IDE interface	FD2
Bus mouse port	CN1	Proprietary system memory card	M1
Parallel port	CN2	Speaker	SPK
Serial port	CN3	Main power	P0
VGA port	CN4	Drive power plugs	P1-P3
Fan power	FAN	VGA feature connector	V1
3.5 inch floppy drive interface	FD1

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Mouse port enabled	E4	pins 2 & 3 closed
	Mouse port disabled	E4	pins 1 & 2 closed
»	Factory configured - do not alter	E3	Closed
»	Fail safe timer enabled	SW1/1	On
	Fail safe timer disabled	SW1/1	Off
»	NPU enabled	SW1/2	On
	NPU disabled	SW1/2	Off
»	Factory configured - do not alter	SW1/3	Off
»	CPU speed select 16MHz	SW1/4	Off
	CPU speed 16MHz; 8MHz when accessing floppy drive	SW1/4	On
»	Factory configured - do not alter	SW1/5	Off
»	Monitor type select color	SW1/6	On
	Monitor type select monochrome	SW1/6	Off
»	IDE address select 1Fx;primary floppy address select 3Fx	SW2/1	Off
	IDE address select 17x;secondary floppy address select 37x	SW2/1	On
»	Password enabled	SW2/2	Off
	Password disabled	SW2/2	On
»	IDE drive interface enabled	SW2/3	Off
	IDE drive interface disabled	SW2/3	On
»	VGA port enabled	SW2/8	Off
	VGA port disabled	SW2/8	On

DRAM CONFIGURATION
Size	Card	Module A	Module B
1MB	NONE	NONE	NONE
2MB	1MB	NONE	NONE
3MB	1MB	1MB	NONE
4MB	1MB	1MB	1MB
5MB	4MB	NONE	NONE
6MB	1MB	4MB	NONE
7MB	1MB	1MB	4MB
9MB	4MB	4MB	NONE
10MB	1MB	4MB	4MB
13MB	4MB	4MB	4MB
Note:A 1MB or 4MB card may be installed and either 1MB or 4MB modules installed on that card.

DRAM SWITCH CONFIGURATION
Size	SW3/3	SW3/4	SW3/5	SW3/6
1MB	On	On	On	On
2MB	On	On	On	Off
3MB	On	On	Off	On
4MB	On	On	Off	Off
5MB	Off	On	On	Off
6MB	On	Off	Off	On
7MB	On	Off	On	On
9MB	Off	On	Off	On
10MB	On	Off	Off	Off
13MB	Off	On	Off	Off

BASE MEMORY CONFIGURATION
Base memory	SW3/1	SW3/2
256KB	Off	Off
512KB	On	Off
640KB	On	On
Reserved	Off	On

PARALLEL PORT CONFIGURATION
Setting	SW2/6	SW2/7
LPT1 at 3Bx	On	Off
LPT2 at 37x	Off	On
Disabled	On	On

SERIAL PORT CONFIGURATION
Setting	SW2/4	SW2/5
COM1 at IRQ4	Off	Off
COM2 at IRQ3	On	Off
Disabled	On	On