...because we can't all be on the bleeding edge...





EGA ULTRA

THOMSON

EGA ULTRA

Category

Video

Video Types Supported

CGA/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

VGA feature connector

CN4

OUTPUT SIGNAL SELECTION

Setting

P2

Composite video out

Pins 2 & 3 closed

 

VGA feature connector

Pins 1 & 2 closed

FEATURE CONNECTOR CONFIGURATION

Setting

P4

Disabled

Closed

 

Enabled

Open

INPORT INTERRUPT SELECTION

IRQ

P3

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.

DUAL MONITOR CONFIGURATION

Primary (Thompson EGA)

Secondary

SW1/1

SW1/2

SW1/3

SW1/4

Monochrome

Color 40 x 25

On

Off

On

Off

Monochrome

Color 80 x 25

Off

Off

On

Off

Color 40 x 25

Monochrome

On

Off

Off

On

Color 80 x 25

Monochrome

Off

Off

Off

On

CGA 320 x 200

Monochrome

On

On

On

Off

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

On

Off

On

Color 80 x 25

Monochrome

Off

On

Off

Off

Monochrome

Color 40 x 25

On

On

On

On

Monochrome

Color 80 x 25

Off

On

On

On

Monochrome

CGA 320 x 200

On

Off

On

On

Monochrome

EGA 640 x 350

Off

Off

On

On

THOMSON

EGA ULTRA

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MONITOR CONFIGURATION

Type

P1

SW2/1

SW2/2

SW2/3

Monochrome w/gray scale

Pins 2 & 3 color

On

On

On

Monochrome w/o gray scale

Pins 2 & 3 color

Off

On

On

Color display

Pins 2 & 3 color

On

On

Off

Enhanced color display

Pins 1 & 2 closed

Off

On

Off

Fixed or Auto scanning color

Pins 1 & 2 closed

On

Off

Off

FONT TYPE SELECT

Type

SW2/switch 4

Normal Color font 7hx7v double dot

Off

 

Alternate color font 7hx5v single dot

On

POWER UP MODE

Mode

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

MDA

On

On

On

Off

On

HGC

On

On

On

On

On

CGA

On

On

Off

On

On

EGA

On

On

Off

Off

On

IBM MAINBOARD SETTINGS

IBM-XT system

SW3/switch 5

SW3/switch 6

MDA

Off

Off

HGC

Off

Off

CGA

On

Off

EGA

On

On

INPORT INTERFACE PRIMARY/SECONDARY

InPort interface

SW3/switch 6

SW3/switch 7

Primary

On

On

 

Secondary

Off

On