Please consider a donation to the Higher Intellect project. See https://preterhuman.net/donate.php or the Donate to Higher Intellect page for more info.

WD90C31

From Higher Intellect Vintage Wiki
Jump to navigation Jump to search

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

50801-1.png

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