INTELLIGENT EGA video card Settings and Configuration

Card Type

Video card

Video Chip Set

Unidentified

Maximum Video Memory

256KB

Video Types Supported

MDA, CGA, EGA, VGA

Highest Resolution Supported

800 x 560

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

Feature connector

CN1

9-pin digital video port

CN4

Light pen connector

CN2

RCA composite connector

J1

RF Modulator connector

CN3

RCA composite connector

J2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Enables composite signal to J1

P3

Pins 2 & 3 closed

Disables composite signal to J1

P3

Pins 1 & 2 closed

»

Factory configured - do not alter (Gray scale for TTL monitors)

P4

Unidentified

»

Factory configured - do not alter (Gray scale for TTL monitors)

P5

Unidentified

Enhanced features enabled

SW1/8

On

Enhanced features disabled

SW1/8

Off

Note: Composite signal to J1 must be disabled to use with feature connector

VIDEO MODE SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

MDA mode

Off

Off

On

Off

CGA mode (40 x 25)

On

Off

Off

On

CGA mode (80 x 25)

Off

Off

Off

On

EGA mode (Normal)

On

On

On

Off

EGA mode (Enhanced)

Off

On

On

Off

MONITOR CONFIGURATION SELECTION

Setting

SW1/5

SW1/6

SW1/7

Multi-sync

On

Off

On

Enhanced graphics

On

Off

Off

RGB color

On

On

Off

TTL monochrome

Off

On

Off

25 kHz color

Off

Off

On

Composite (PC portable)

On

On

Off

Compaq internal monitor

Off

Off

Off

SERIAL PORT ADDRESS SELECTION

Setting

P7

»

3XXh

Pins 1 & 2 closed

2XXh

Pins 2 & 3 closed