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PVGA (8-DRAM)

PEAKTRON COMPUTER, INC.

PVGA (8-DRAM)

Category

Video

Video Types Supported

CGA/EGA/Monochrome/VGA/XVGA

Video Processor

TVGA 8900

Highest Resolution Supported

1024 x768

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

1024KB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

VGA feature connector

CN3

9-pin TTL video port

CN2

 

 

MONITOR TYPE SELECTION

Type

SW1/1

SW1/2

VGA mode

On

On

 

EGA mode

Off

On

 

CGA mode

On

Off

 

MDA/Hercules mode

Off

Off

SCAN RATE SELECTION

Rate

SW1/3

> 48KHz

On

 

< 48 - 49KHz

Off

ADDRESS DECODE SELECTION

Setting

SW1/5

Fast

Off

 

Slow

On

VIDEO INTERRUPT SELECTION

IRQ 2/9

J1

Disabled

Pins 2 & 3 closed

 

Enabled

Pins 1 & 2 closed

BUS DATA PATH SELECTION

BUS

SW1/6

16-bit

Off

 

8-bit

On

BUS SIZE DETECTION

Setting

J2

Autodetect

Pins 2 & 3 closed

 

Standard interface

Pins 1 & 2 closed

FACTORY CONFIGURED - DO NOT ALTER

Switch

Position

SW1/4

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(4) 44256

NONE

1024KB

(4) 44256

(4) 44256

Note: The exact locations of banks 0 and 1 are unidentified.