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





TOP SEGA 800

EXPERT COMPUTER INTERNATIONAL, INC

TOP SEGA 800

Card Type

Video card

Video Chip Set

Unidentified

Maximum Video Memory

256KB

Video Types Supported

Monochrome, EGA, CGA

Highest Resolution Supported

800 x 600

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

Feature connector

J1

Audio in

J4

Light pen connector

J2

9-pin digital video port

J5

Audio in

J3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Color or Monochrome display mode

JMP3

Pins 2 & 3 closed

Enhanced color display mode

JMP3

Pins 1 & 2 closed

MONITER CONFIGURATION SELECTION

SW1/1

SW1/2

SW1/3

SW1/4

Enhanced

Monochrome

Color/Graphics

On

Off

Off

On

Color 40 x 25

Secondary

Disabled

Off

Off

Off

On

Color 80 x 25

Secondary

Disabled

On

On

On

Off

Enhanced

Secondary

Disabled

Off

On

On

Off

Enhanced hi res

Secondary

Disabled

On

Off

On

Off

Monochrome

Disabled

Secondary 40 x 25

Off

Off

On

Off

Monochrome

Disabled

Secondary 80 x 25

On

On

On

On

Color 40 x 25

Primary

Disabled

Off

On

On

On

Color 80 x 25

Primary

Disabled

On

Off

On

On

Enhanced

Primary

Disabled

Off

Off

On

On

Enhanced hi res

Primary

Disabled

On

On

Off

On

Monochrome

Disabled

Primary 40 x 25

Off

On

Off

On

Monochrome

Disabled

Primary 80 x 25

GRAPHICS COMPATIBILITY SELECTION

Configuration

SW1/5

SW1/6

Standard or advanced EGA

On

On

Downward CGA

Off

On

Downward MDA, Hercules

Off

Off

BIOS SELECTION

Setting

JMP1

27128 Eprom

Pins 1 & 2, 4 & 5 closed

27256 Eprom

Pins 2 & 3, 5 & 6 closed

BASE I/O ADDRESS SELECTION

Setting

JMP2

3xxh

Pins 2 & 3 closed

2xxh

Pins 1 & 2 closed