POSITIVE CORPORATION

VGA-16

Category

Video

Video Types Supported

XVGA

Video Processor

Unidentified

Highest Resolution Supported

1024 x 768

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

512KB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

VGA feature connector

CN2

VGA BIOS CONFIGURATION

Setting

JP1

»

VGA BIOS Enabled

Pins 1 & 2 closed

 

Remaps VGA BIOS

Pins 2 & 3 closed

VGA TIMING CONFIGURATION

Setting

JP4

»

Standard timing

Pins 1 & 2 closed

 

Special timing

Pins 2 & 3 closed

VGA MODE CONFIGURATION

Setting

JP6

»

Color or Monochrome modes

Pins 1 & 2 closed

 

Operation of two monitors & two video boards

Pins 2 & 3 closed

VGA BIOS TYPE CONFIGURATION

Setting

JP7

»

16-bit

Pins 1 & 2 closed

 

8-bit

Pins 2 & 3 closed

VGA ROM CONFIGURATION

Setting

JP8

»

Paired video ROM (16-bit)

Pins 2 & 3 closed

 

Single video ROM (8-bit)

Pins 1 & 2 closed

DRAM CONFIGURATION

Memory

Bank 0

Bank 1

256KB

(2) 256K x 4

None

512KB

(2) 256K x 4

(2) 256K x 4

FACTORY CONFIGURED - DO NOT ALTER

Jumper

Position

JP2

N/A

JP3

N/A

JP5

Open

Note: Exact location of JP5 is unidentified.

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