HwMuseum | Index

TWINHEAD INTERNATIONAL CORP.

CT-8190

Category

Video

Video Types Supported

EGA

Video Processor

Unidentified

Highest Resolution Supported

720 x 348

Data Bus Type

8-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

256KB (Memory configuration is unidentified by manufacturer)

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

Composite display - RCA jack

J1

32-pin feature connector

CN2

Composite display - RCA jack

J2

6-pin light pen connector

CN3

 

 

PRIMARY DISPLAY ADAPTER CONFIGURATION (TABLE 1)

Mode

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 color mode)

On

On

On

Off

Enhanced color (Enhanced color mode)

Off

On

On

Off

Note: These settings apply when the CT-890 display adapter is only in your system.

PRIMARY & SECONDARY DISPLAY ADAPTER CONFIGURATION (TABLE 2)

Primary

Secondary

SW1/1

SW1/2

SW1/3

SW1/4

Color (40 x 25)

Monochrome or NONE

On

Off

Off

On

Color (80 x 25)

Monochrome or NONE

Off

Off

Off

On

Enhanced color (Normal color mode)

Monochrome or NONE

On

On

On

Off

Enhanced color (Enhanced color mode)

Monochrome or NONE

Off

On

On

Off

Note: These settings apply when the CT-8190 & the Monochrome display adapter are both installed in your system. When the CT-8190 is the primary display adapter; & when the CT-8190 is attached to the CGA or EGA monitor.

PRIMARY & SECONDARY DISPLAY ADAPTER CONFIGURATION (TABLE 3)

Primary

Secondary

SW1/1

SW1/2

SW1/3

SW1/4

Color (40 x 25)

Monochrome

On

On

On

On

Color (80 x 25)

Monochrome

Off

On

On

On

NONE

Monochrome

Off

On

On

On

Enhanced color (Normal color mode)

Monochrome

On

Off

On

On

Enhanced color (Enhanced color mode)

Monochrome

Off

Off

On

On

Note: These settings apply when the CT-8190 & the Monochrome display adapter are both installed in your system. When the Monochrome is the primary display adapter; & when the CT-8190 is attached to the CGA or EGA monitor.

PRIMARY & SECONDARY DISPLAY ADAPTER CONFIGURATION (TABLE 4)

Primary

Secondary

SW1/1

SW1/2

SW1/3

SW1/4

Monochrome

NONE

Off

Off

On

Off

Monochrome

Color (40 x 25)

On

Off

On

Off

Monochrome

Color (80 x 25)

Off

Off

On

Off

Note: These settings apply when the CT-8190 & the Color graphics adapter are both installed in your system. When the CT-8190 is the primary display adapter; & when the Monochrome monitor is attached to the CT-8190.

PRIMARY & SECONDARY DISPLAY ADAPTER CONFIGURATION (TABLE 5)

Primary

Secondary

SW1/1

SW1/2

SW1/3

SW1/4

Monochrome or NONE

NONE

Off

Off

On

Off

Monochrome or NONE

Color (40 x 25)

On

On

Off

On

Monochrome or NONE

Color (80 x 25)

Off

On

Off

On

Note: These settings apply when the CT-8190 & the Color graphics adapter are both installed in your system. When the CGA is the primary display adapter; & when the Monochrome monitor is attached to the CT-8190.

MONITOR DISPLAY CONFIGURATION

Setting

SW1/5

Monochrome/CGA

On

EGA

Off