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AT1200

TECHNOLOGY WORKS

AT1200

Category

Video

Video Types Supported

XVGA

Video Processor

TMS34020, TMS34082

Highest Resolution Supported

1280 x 1024

Data Bus Type

16-bit ISA

Memory Type

DRAM/VRAM

Maximum Onboard Memory

4MB/4MB (See DRAM technical note)

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

15-pin analog video port

CN2

BASE I/O ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

360h

Off

Off

On

Off

Off

On

On

 

300h

Off

Off

On

On

On

On

On

 

308h

Off

Off

On

On

On

On

Off

 

310h

Off

Off

On

On

On

Off

On

 

340h

Off

Off

On

Off

On

On

On

 

380h

Off

Off

Off

On

On

On

On

 

3A0h

Off

Off

Off

On

Off

On

On

 

3E0h

Off

Off

Off

Off

Off

On

On

FACTORY CONFIGURED - DO NOT ALTER

Switch

Position

SW1/8

Off

SW1/9

Off

SW1/10

Off

SW1/11

Off

SW1/12

Off

DRAM TECHNICAL NOTE

The AT1200 can come with either 1MB or 4MB of memory depending on the version you have. The exact memory configuration of this card is unidentified by the manufacturer.