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GB-1 COLOR GRAPHICS BOARD

NEC TECHONLOGIES, INC.

GB-1 COLOR GRAPHICS BOARD

Card Type

Video card

Video Chip Set

Unidentified

Highest Resolution Supported

720 x 348

Maximum Video Memory

None

Data Bus

8-bit ISA

Video Types Supported

CGA

CONNECTIONS

Function

Label

Function

Label

CMII daughterboard connector

CN1

Light pen connector

P2

9-pin video port

J1

Parallel Port

P3

Feature connector

J5

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory Configured - do not alter

J3

Unidentified

Factory Configured - do not alter

J4

Unidentified

 

NEC MultiSync or IBM Color Display

P1

Pins 1 & 2 closed

 

IBM Color Display, IBM Monochrome Display, NEC Monochrome Display

P1

Pins 2 & 3 closed

Factory configured - do not alter

P4

Pins 1 & 2 closed

 

IBM Enhanced Color Display (IBM 5154)

P7

Pins 1 & 2 closed

 

NEC MultiSync (NEC JC-1401P3A)

P7

Pins 2 & 3 closed

Factory Configured - do not alter

SW1/5

On

Factory Configured - do not alter

SW1/6

On

Factory Configured - do not alter

SW1/7

On

 

Parallel Port enabled

SW1/8

On

 

Parallel Part disabled

SW1/8

Off

DISPLAY CONFIGURATION (IF GB-1 IS THE ONLY DISPLAY ADAPTER INSTALLED)

Primary Display

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

EGA (normal mode)

On

On

On

Off

EGA (enhanced mode)

Off

On

On

Off

DISPLAY CONFIGURATION (GB-1 IS PRIMARY)

Primary Display

Secondary Display

SW1/1

SW1/2

SW1/3

SW1/4

Color 40 x 25

Monochrome

On

Off

Off

On

Color 80 x 25

Monochrome

Off

Off

Off

On

EGA (normal mode)

Monochrome

On

On

On

Off

EGA (enhanced mode)

Monochrome

Off

On

On

Off

Monochrome

Color 40 x 25

On

Off

On

Off

Monochrome

Color 80 x 25

Off

Off

On

Off

DISPLAY CONFIGURATION (GB-1 IS SECONDARY)

Primary Display

Secondary Display

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

EGA (normal mode)

On

Off

On

On

Monochrome

EGA (enhanced mode)

Off

Off

On

On

Color 40 x 25

Monochrome

On

On

Off

On

Color 80 x 25

Monochrome

Off

On

Off

On

DISPLAY CONFIGURATION (WHEN CMII BOARD IS ADDED)

Primary Display

Secondary Display

SW1/1

SW1/2

SW1/3

SW1/4

Color 80 x 25 (IBM 5153)

Monochrome

On

Off

Off

Off

Color 80 x 25 (IBM 5154)

Monochrome

Off

Off

Off

Off

Monochrome

Color 80 x 25 (IBM 5153)

On

On

Off

Off

Monochrome

Color 80 x 25

Off

On

Off

Off