WESTERN DIGITAL CORPORATION

WD386SX-LPX

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

WD

Max. Onboard DRAM

32MB

Cache

None

BIOS

AMI/Award

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial port (2), floppy drive interface, IDE interface, VGA port, bus mouse port, IBM video interface, proprietary bus expansion slot

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Proprietary bus expansion card

J1

Parallel port

J10

Mouse port

J4

IBM video interface

J11

Reset switch

J6

VGA port

J12

Floppy drive interface

J7

IDE interface

J14

Serial port 2

J8

Keyswitch/IDE interface LED

J15

Serial port 1

J9

External speaker

J17

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

W1

Open

 

CMOS memory clear

W1

Closed

»

Factory configured - do not alter

W2

Open

»

Factory configured - do not alter

W3

Closed

»

Mouse interrupt enabled IRQ12

W4

Closed

 

Mouse interrupt disabled IRQ12

W4

Open

»

Monitor type select color

W5

pins 2 & 3 closed

 

Monitor type select monochrome

W5

pins 1 & 2 closed

»

VGA clock select internal

W6

pins 2 & 3 closed

 

VGA clock select external

W6

pins 1 & 2 closed

»

VGA port enabled

W7

pins 2 & 3 closed

 

VGA port disabled

W7

pins 1 & 2 closed

»

Monitor type select multisync

W8

pins 2 & 3 closed

 

Monitor type select fixed frequency

W8

pins 1 & 2 closed

»

Monitor type select AT compatible

W9

pins 2 & 3 closed

 

Monitor type select PS/2 compatible

W9

pins 1 & 2 closed

»

Speaker select internal

W10

pins 1 & 2 closed

 

Speaker select external

W10

pins 2 & 3 closed

»

IDE interface LED enabled

W11

pins 2 & 3 closed

 

IDE interface LED disabled

W11

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2.5MB

(2) 256K x 9

(2) 1M x 9

NONE

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9