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EGA WONDER (VER.2.3)

ATI TECHNOLOGIES, INC.

EGA WONDER (VER.2.3)

Card Type

Video card

Video Chip Set

Unidentified

Highest Resolution Supported

800 x 560

Maximum Video Memory

256KB RAM

Data Bus

8-bit ISA

Video Types Supported

EGA

CONNECTIONS

Function

Label

Function

Label

9-pin digital video port & TTL monitor

CN1

PC portable connector

CN4

Feature connector

CN2

Composite monitor connector

J1

Light pen connector

CN3

Composite monitor connector

J2

USER CONFIGURABLE SETTINGS

Function

Label

Position

Port address is 3XXh

P6

Pins 2 & 3 closed

 

Port address is 2XXh

P6

Pins 1 & 2 closed

Video clock connected to on board 25.175mHz oscillator

P7

Pins 1 & 2 closed

 

Video clock connected to EXTOSC from feature connector

P7

Pins 2 & 3 closed

Pin 8 on DB9 connector (CN1) to Horizontal sync.

P8

Pins 1 & 2 closed

 

Pin 8 on DB9 connector (CN1) to Composite sync.

P8

Pins 2 & 3 closed

Composite signal sent to J1 is enabled

P9

Pins 2 & 3 closed

 

Composite signal sent to J1 is disabled & J1 is connected to CN2

P9

Pins 1 & 2 closed

"EGA Wonder" enhanced features enabled

SW1/8

On

 

"EGA Wonder" enhanced features disabled

SW1/8

Off

Note: When using a Taxan 650 type 25 kHz monitor you must set jumper P8/pins 2 & 3 closed.

EGA-MDA DUAL DISPLAY CONFIGURATION

Primary Display

EGA Wonder

Secondary Display

MDA

Setting

SW1/1

SW1/2

SW1/3

SW1/4

CGA (40 x 25)

On

Off

Off

On

CGA (80 x 25)

Off

Off

Off

On

EGA (Normal)

On

On

On

Off

EGA (Enhanced)

Off

On

On

Off

MDA-EGA DUAL DISPLAY CONFIGURATION

Primary Display

MDA

Secondary Display

EGA Wonder

Setting

SW1/1

SW1/2

SW1/3

SW1/4

CGA (40 x 25)

On

On

On

On

CGA (80 x 25)

Off

On

On

On

EGA (Normal)

On

Off

On

On

EGA (Enhanced)

Off

Off

On

On

MDA-CGA DUAL DISPLAY CONFIGURATION

Primary Display

EGA Wonder configured as MDA

Secondary Display

CGA

Setting

SW1/1

SW1/2

SW1/3

SW1/4

CGA (40 x 25)

On

Off

On

Off

CGA (80 x 25)

Off

Off

On

Off

CGA-MDA DUAL DISPLAY CONFIGURATION

Primary Display

CGA

Secondary Display

EGA Wonder configured as MDA

Setting

SW1/1

SW1/2

SW1/3

SW1/4

CGA (40 x 25)

On

On

Off

On

CGA (80 x 25)

Off

On

Off

On

MONITOR TYPE SELECTION

Type

SW1/5

SW1/6

SW1/7

Multi-sync

On

Off

On

Enhanced graphics

On

Off

Off

RGB color

On

On

Off

TLL monochrome

Off

On

Off

25 kHz color

Off

Off

On

Composite (PC portable)

On

On

Off

Compaq Internal

Off

Off

Off

Note: Settings must be set according to the type of monitor being used.

When using a 25 kHz monitor jumper P8/pins 2 & 3 must be closed.

When using a Compaq internal monitor you must use the optional Compaq module.