THOMSON

EGA

Category

Video

Video Types Supported

EGA/Monochrome

Video Processor

Unidentified

Highest Resolution Supported

640 x 350

Data Bus Type

8-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

256KB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

RCA connector

CN3

RCA connector

CN2

InPort interface

CN4

PORT ADDRESS CONFIGURATION

Port

P1

»

3xx

Pins 2 & 3 closed

 

2xx

Pins 1 & 2 closed

SLOT LOCATION CONFIGURATION

Setting

P2

»

Card in not installed in slot 8

Pins 2 & 3 closed

 

Card is installed in slot 8

Pins 1 & 2 closed

INPORT INTERFACE CONFIGURATION

Setting

P3

»

Enabled

Closed

 

Disabled

Open

INPORT INTERRUPT SELECTION

IRQ

P4

»

2

Pins 1 & 2 closed

 

3

Pins 3 & 4 closed

 

4

Pins 5 & 6 closed

 

5

Pins 7 & 8 closed

 

10

Pins 9 & 10 closed

 

11

Pins 11 & 12 closed

 

12

Pins 13 & 14 closed

 

15

Pins 15 & 16 closed

Note: IRQ10, 11, 12 and 15 are reserved for future use.

MONITOR TYPE SELECTION

Type

P5

»

Enhanced color or/Auto-scanning display

Pins 1 & 2 closed

 

IBM monochrome/IBM color display

Pins 2 & 3 closed

INPORT INTERFACE SELECTION

Setting

P6

»

Primary

Pins 2 & 3 closed

 

Secondary

Pins 1 & 2 closed

DUAL MONITOR CONFIGURATION

Primary (Thompson EGA)

Secondary

SW1/1

SW1/2

SW1/3

SW1/4

Monochrome

Color 40 x 25

Off

On

Off

On

Monochrome

Color 80 x 25

Off

On

Off

Off

Color 40 x 25

Monochrome

On

Off

Off

On

Color 80 x 25

Monochrome

On

Off

Off

Off

CGA 320 x 200

Monochrome

Off

On

On

On

EGA 640 x 350

Monochrome

Off

On

On

Off

DUAL MONITOR CONFIGURATION

Primary

Secondary (Thompson EGA)

SW1/1

SW1/2

SW1/3

SW1/4

Color 40 x 25

Monochrome

On

Off

On

On

Color 80 x 25

Monochrome

On

Off

On

Off

Monochrome

Color 40 x 25

On

On

On

On

Monochrome

Color 80 x 25

On

On

On

Off

Monochrome

CGA 320 x 200

On

On

Off

On

Monochrome

EGA 640 x 350

On

On

Off

Off