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8900 VGA MASTER (TWO LAYER)

UNIDENTIFED

8900 VGA MASTER (TWO LAYER)

Card Type

Video card

Video Chip Set

Unidentified

Maximum Video Memory

8MB DRAM

Video Types Supported

MGA, CGA, EGA, VGA

Highest Resolution Supported

1024 x 768

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

Function

Label

15-pin analog video port

CN1

Feature connector

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

SW1/1

On

Factory configured - do not alter

SW1/2

On

Less than 48KHz scan rate

SW1/3

On

 

48-49KHz scan rate

SW1/3

Off

Factory configured - do not alter

SW1/4

On

Fast address decode

SW1/5

Off

 

Slow address decode

SW1/5

On

16 bit data path

SW1/6

Off

 

8 bit data path

SW1/6

On

DRAM JUMPER CONFIGURATION

Size

JP1

JP2

J3

2MB

Open

Closed

Pins 1 & 2, 4 & 5 closed

4MB

Open

Closed

Pins 1 & 4, 2 & 5 closed

8MB

Closed

Open

Pins 2 & 3, 5 & 6 closed

BUS SIZE SELECTION

Setting

J2

Autodetect

Pins 2 & 3 closed

 

Standard interface

Pins 1 & 2 closed

INTERRUPT SELECTION

Setting

J1

IRQ9 disabled

Pins 2 & 3 closed

 

IRQ9 enabled

Pins 1 & 2 closed