HwMuseum | Index

RELIALOGIC CORPORATION PRIVATE, LTD.

WINDOWS ACCELERATOR CW31

Category

Video

Video Type

XVGA

Video Processor

Western Digital

Highest Resolution Supported

1280 x 1024

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

1MB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

16-Bit Sierra RAMDAC socket

U13

VESA Feature connector

CN2

   

HORIZONTAL SCAN RATE SELECTION

Purpose

JP1

»

31.5KHz

Pins 1 & 2 open

 

40KHz

Pins 1 & 2 closed

WAIT STATE SELECTION

MEMORY WAIT STATE

JP2

»

Zero Wait State

Pins 1 & 2 closed

 

One Wait State

Pins 1 & 2 open

BIOS SELECTION

Setting

JP1 & JP3

»

16-Bit Video BIOS

JP1 Pins 5&6, 7&8 closed, JP3 Pins 2&3 closed

 

8-Bit Video BIOS

JP1 5&6, 7&8 open, JP3 Pins 2&3 closed

1024 X 768 REFRESH RATES

Refresh

SW1/switch 1

SW1/switch 2

Interlaced

Off

Off

60Hz Non-Interlaced

On

Off

70Hz Non Interlaced

Off

On

72Hz Non-Interlaced

On

On

800 X 600 REFRESH RATES

Refresh

SW1/switch 3

SW1/switch 4

56Hz

Off

Off

60Hz

On

Off

70Hz

Off

On

72Hz

On

On

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

512KB

(4) 44256

NONE

1MB

(4) 44256

(4) 44256

MEMORY BANK COMPOSITION

Selection

JP1

»

Bank 0 = U1, U2, U3, U4, U7, U8, U9, & U10

Pins 3 & 4 open

 

Bank 1 = U1, U2, U7, & U10

Pins 3 & 4 closed