UNIDENTIFIED

EGA-PC/P

Category

Video

Video Types Supported

CGA, Monochrome

Video Processor

Unidentified

Highest Resolution Supported

720 x 348

Data Bus Type

8-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

Unidentified

CONNECTIONS

Purpose

Location

Purpose

Location

9-pin digital video port

CN1

Light pen connector

CN4

RCA video connector

CN2

VESA Feature connector

J4

RCA video connector

CN3

   

SINGLE MONITOR CONFIGURATIONS

Setting

SW1/1

SW1/2

SW1/3

SW1/4

Monochrome

Off

Off

On

Off

RGB 40 x 25

On

Off

Off

On

RGB 80 x 25

Off

Off

Off

On

ECD 200-line

On

On

On

Off

ECD 350-line

Off

On

On

Off

CARD ATTACHED TO PRIMARY MONITOR CONFIGURATIONS

Primary/Secondary Monitor

SW1/1

SW1/2

SW1/3

SW1/4

RGB 40 x 25/monochrome

On

Off

Off

On

RGB 80 x 25/monochrome

Off

Off

Off

On

ECD low resolution/monochrome

On

On

On

Off

ECD high resolution/monochrome

Off

On

On

Off

Monochrome/RGB 80 x 25

Off

Off

On

Off

Monochrome/RGB 40 x 25

On

Off

On

Off

CARD ATTACHED TO SECONDARY MONITOR CONFIGURATIONS

Primary/Secondary Monitor

SW1/1

SW1/2

SW1/3

SW1/4

RGB 40 x 25/monochrome

On

On

Off

On

RGB 80 x 25/monochrome

Off

On

Off

On

Monochrome/ECD low resolution

On

Off

On

On

Monochrome/ECD high resolution

Off

Off

On

On

Monochrome/RGB 40 x 25

On

On

On

On

Monochrome/RGB 80 x 25

Off

On

On

On

INTELLIGENT MODE

Setting

SW1/5

Enabled

On

Disabled

Off

I/O ADDRESS RANGE SELECTION

Address Range

P3

3xxh

Pins 2 & 3 closed

2xxh

Pins 1 & 2 closed