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VIEWPOINT VRAM

EVEREX SYSTEMS, INC.

VIEWPOINT VRAM

Card Type

Video card

Video Chip Set

Unidentified

Highest Resolution Supported

1024 x 768

Maximum Video Memory

1MB VRAM

Data Bus

16-bit ISA

Video Types Supported

XVGA

CONNECTIONS

Function

Label

Function

Label

15-pin analog video port

CN1

Auxiliary video connector

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

VRAM chips installed

J1

Pins 1 & 2 closed

 

DRAM chips installed

J1

Pins 2 & 3 closed

IRQ 2/9 disabled

J3

Pins 2 & 3 closed

 

IRQ 2/9 enabled

J3

Pins 1 & 2 closed

Factory configured - do not alter

SW1/3

On

Automatic detection of RAM bus width

SW1/4

On

 

8-bit RAM bus width

SW1/4

Off

Automatic detection of ROM bus width

SW1/5

On

 

8-bit ROM bus width

SW1/5

Off

ROM address is C0000 - C7FFFh

SW1/6

On

 

ROM address is C0000 - DFFFFh

SW1/6

Off

MONITOR TYPE SELECTION

Type

SW1/1

SW1/2

Super Multi-frequency

On

On

 

Multi-frequency

Off

On

 

Super VGA

On

Off

 

IBM PS/2 & 8514

Off

Off

VRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(4) 256K x 4

None

1MB

(4) 256K x 4

(4) 256K x 4

MISCELLANEOUS TECHNICAL NOTE

Note: This board can be upgraded to DRAM memory chips.