COMPAQ COMPUTER CORPORATION

DESKPRO 386s

(Models 001148, 001157, 001644)

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

»

Factory configured - do not alter

E10

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 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

BASE MEMORY CONFIGURATION

Base memory

SW3/1

SW3/2

256KB

Off

Off

512KB

On

Off

640KB

On

On

Reserved

Off

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

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