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EGA PLUS

UNIDENTIFIED

EGA PLUS

Category

Video

Video Types Supported

CGA/EGA/Monochrome

Video Processor

Unidentified

Highest Resolution Supported

800 x 600

Data Bus Type

8-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

256KB

CONNECTIONS

Purpose

Location

Purpose

Location

9-pin analog video port

CN1

Parallel port

CN2

MONITOR TYPE SELECT

Type

P1

JB1

EGA

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Monochrome/CGA

Pins 1 & 2 closed

Pins 2 & 3 closed

DISPLAY CONFIGURATION

Type

SW1/1

SW1/2

SW1/3

SW1/4

Monochrome

Off

Off

On

Off

Color (40 x 25)

On

Off

Off

On

Color (80 x 25)

Off

Off

Off

On

Enhanced Color (Normal)

On

On

On

Off

Enhanced Color (Hi-resolution)

Off

On

On

Off

Note: These settings apply when the EGA PLUS is the only video adapter in the system.

DISPLAY CONFIGURATION

Primary Adapter

Alternate Adapter

SW1/1

SW1/2

SW1/3

SW1/4

Color (40 x 25)

Monochrome

On

Off

Off

On

Color (80 x 25)

Monochrome or none

Off

Off

Off

On

Enhanced Color (Normal)

Monochrome or none

On

On

On

Off

Enhanced Color (Hi-resolution)

Monochrome or none

Off

On

On

Off

Note: These settings apply when the EGA PLUS and a monochrome adapter are in use, with the EGA PLUS as the primary display adapter in the system.

DISPLAY CONFIGURATION

Primary Adapter

Alternate Adapter

SW1/1

SW1/2

SW1/3

SW1/4

Monochrome

Color (40 x 25)

On

On

On

On

Monochrome

Color (80 x 25)

Off

On

On

On

Monochrome

Enhanced Color (Normal)

On

Off

On

On

Monochrome

Enhanced Color (Hi-resolution)

Off

Off

On

On

Note: These settings apply when the EGA PLUS and a monochrome adapter are in use, with the monochrome adapter as the primary display adapter in the system.

DISPLAY CONFIGURATION

Primary Adapter

Alternate Adapter

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

Note: These settings apply when the EGA PLUS and a CGA adapter are in use, with the CGA as the secondary display adapter.

DISPLAY CONFIGURATION

Primary Adapter

Alternate Adapter

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

On

Note: These settings apply when the EGA PLUS and a CGA adapter are in use, with the CGA as the primary display adapter.

PARALLEL PORT CONFIGURATION

LPT

SW1/6

SW1/7

1

On

On

 

2

On

Off

 

3

Off

On

 

Disabled

Off

Off

FACTORY CONFIGURED SETTINGS

Switch

Setting

SW1/5

On

SW1/8

N/A