AITECH INTERNATIONAL CORPORATION

PROVGA/TV PLUS

Category

Video/Sound

Video Types Supported

VGA

Video Processor

Aitech International

Highest Resolution Supported

640 x 480

Data Bus Type

16-bit ISA

Memory Type

VRAM

Maximum Onboard Memory

512KB (location unidentified)

CONNECTIONS

Purpose

Location

Purpose

Location

S-VHS output connector

CN1

VESA feature connector

CN5

RCA jack - video output

CN2

Sync adjustment potentiometer

VR5

S-VHS input connector

CN3

Color adjustment potentiometer

VR6

RCA port - video input

CN4

   

I/O BASE ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW14

»

360h

Off

On

Off

Off

 

200h

On

On

On

On

 

220h

On

On

On

Off

 

240h

On

On

Off

On

 

260h

On

On

Off

Off

 

280h

On

Off

On

On

 

2A0h

On

Off

On

Off

 

2C0h

On

Off

Off

On

 

2E0h

On

Off

Off

Off

 

300h

Off

On

On

On

 

320h

Off

On

On

Off

 

340h

Off

On

Off

On

 

380h

Off

Off

On

On

 

3A0h

Off

Off

On

Off

 

3C0h

Off

Off

Off

On

 

3E0h

Off

Off

Off

Off

INTERRUPT SELECTION

IRQ

JP4

JP5

JP6

JP7

JP8

JP9

»

IRQ12

Closed

Open

Open

Open

Open

Open

 

IRQ15

Open

Closed

Open

Open

Open

Open

 

IRQ9

Open

Open

Closed

Open

Open

Open

 

IRQ7

Open

Open

Open

Closed

Open

Open

 

IRQ14

Open

Open

Open

Open

Closed

Open

 

IRQ5

Open

Open

Open

Open

Open

Closed