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WD90C31

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Jumper Settings

Category

Video

Video Types Supported

XVGA

Video Processor

Western Digital Corporation

Highest Resolution Supported

1280 x 1024

Data Bus Type

VESA local bus

Memory Type

DRAM

Maximum Onboard Memory

1MB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

VESA Feature connector

CN2

CPU TYPE

Setting

W1

W3

80386

Pins 1 & 2 closed

Closed

80486

Pins 2 & 3 closed

Open

MONITOR TYPE (800 X 600 RESOLUTION)

» Refresh Rates

SW1/1

SW1/2

»

Vertical: 56Hz NI, Horizontal: 35.12-

Off

Off

»

Vertical: 72Hz NI, Horizontal: 37.83+-

On

Off

»

Vertical: 60Hz NI, Horizontal: 47.67+

Off

On

MONITOR TYPE (1024 X 768 RESOLUTION)

» Refresh Rates

SW1/3

SW1/4

»

Vertical: 87Hz Interlaced, Horizontal: 35.60+

Off

Off

»

Vertical: 70Hz NI, Horizontal: 56.56-

On

Off

»

Vertical: 60Hz NI, Horizontal: 48.37-

Off

On

»

Vertical: 72Hz NI, Horizontal: 59.46-

On

On

MONITOR TYPE (VGA)

» Refresh Rate

SW1/5

»

Vertical: 60, 70Hz, Horizontal: 31.5KHz

Off

»

Vertical: 75, 88Hz, Horizontal: 40KHz

On

FACTORY CONFIGURED SETTINGS

Jumper

Setting

W5

Pins 1 & 2 closed