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WD286-LPM

WESTERN DIGITAL CORPORATION

WD286-LPM

Processor

80286

Processor Speed

6/12.5/16MHz

Chip Set

Faraday

Max. Onboard DRAM

4MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 198mm

I/O Options

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

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Bus mouse port

J4

Parallel port

J10

Reset switch

J6

VGA interface

J12

Floppy drive interface

J7

IDE interface

J14

Serial port 2

J8

IDE interface LED/Keylock

J15

Serial port 1

J9

Local bus expansion slot

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

W3

pins 2 & 3 closed

 

Monitor type select monochrome

W3

pins 1 & 2 closed

Floppy drive interface enabled

W4

pins 2 & 3 closed

 

Floppy drive interface disabled

W4

pins 1 & 2 closed

Factory configured - do not alter

W5

pins 1 & 2 closed

NPU speed select 6MHz

W9

pins 2 & 3 closed

 

NPU speed select 12.5MHz

W9

pins 1 & 2 closed

 

NPU speed select 16MHz

W9

pins 1 & 2 closed

Video port (J12) enabled

W11

pins 2 & 3 closed

 

Video port (J12)disabled

W11

pins 1 & 2 closed

IDE interface LED enabled

W12

pins 2 & 3 closed

 

IDE interface LED disabled

W12

pins 1 & 2 closed

Factory configured - do not alter

W15

pins 2 & 3 closed

Mouse port interrupt enabled (IRQ12)

W16

Closed

 

Mouse port interrupt disabled (IRQ12)

W16

Open

Factory configured - do not alter

W17

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

Note:Bank 2 is an optional 128KB soldered onto the board on the 12MHz version only.