HwMuseum | Index

HEWLETT-PACKARD COMPANY

SUPER VGA BOARD

Category

Video

Video Types Supported

XVGA

Video Processor

Unidentified

Highest Resolution Supported

1024 x 768

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

512KB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

VGA feature connector

CN2

VIDEO MEMORY CACHE CONFIGURATION

Setting

SW1/4

»

Enabled

On

 

Disabled

Off

EMULATION MODE CONFIGURATION

Setting

SW1/5

»

Enabled

On

 

Disabled CGA & HGC

Off

BIOS ROM ACCESS SELECTION

Mode

SW1/6

»

16-bit

On

 

8-bit

Off

Note: Switch SW1/6 is used in conjunction with jumper E2.

MEMORY ACCESS SELECTION

Mode

SW1/7

»

16-bit

On

 

8-bit

Off

VGA PURE MODE CONFIGURATION

Mode

SW1/8

»

Enable Super VGA Board extensions

On

 

Force pure IBM VGA modes

Off

VERTICAL INTERRUPT CONFIGURATION

IRQ 2/9

E1

»

Disabled

Pins 2 & 3 closed

 

Enabled

Pins 1 & 2 closed

16-BIT ROM DECODE CONFIGURATION

Setting

E2

»

C000h - C7FFh memory segment is enabled

Pins 1 & 2 closed

 

Decodes memory segments C000h - DFFFh

Pins 2 & 3 closed

FACTORY CONFIGURED - DO NOT ALTER

Switch

Position

SW1/1

On

SW1/2

On

SW1/3

On

DRAM CONFIGURATION

Memory

Bank 0

Bank 1

256KB

(8) 64K x 4

NONE

512KB

(8) 64K x 4

(8) 64K x 4