TANDY / RADIO SHACK CORPORATION

SVGA WINDOWS ACCELERATOR ADAPTER (250-4055)

Card Type

Video card

Video Processor

Unidentified

Maximum Onboard Memory

1MB DRAM

I/O Options

VGA feature connector

Data Bus

16-bit ISA

Video Types Supported

XVGA

Highest Resolution Supported

1280 x 1024

CONNECTIONS

Function

Label

Function

Label

15-pin analog video port

J1

VGA feature connector

J2

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Zero wait states enabled

W2

Closed

 

Zero wait states disabled

W2

Open

»

Monitor uses 31.5KHz horizontal frequency

SW1/5

Off

 

Monitor uses 40KHz horizontal frequency

SW1/5

On

VERTICAL FREQUENCY SELECTION - 800 X 600

Setting

SW1/1

SW1/2

»

56Hz

Off

Off

 

56Hz

On

On

 

60Hz

Off

On

 

72Hz

On

Off

VERTICAL FREQUENCY SELECTION - 1024 X 768

Setting

SW1/3

SW1/4

»

43Hz, interlaced

Off

Off

 

60Hz

Off

On

 

70Hz

On

Off

 

72Hz

On

On

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