DOS Days

Twinhead

Twinhead will most likely be remembered for their laptop computers, but they started out manufacturing their own graphics cards.

 

 

CT-6040R

Launched: 1986?
Bus: ISA 8-bit.

A Hercules monochrome compatible card with Centronics parallel port.



 

CT-6040S

Launched: 1986?
Bus: ISA 8-bit.
FCC ID: FKG453CT-6040S, FKG455CT-6040S

A Hercules monochrome compatible card. Some variants came with a Centronics parallel port (FKG453CT) [see pics below] while others did not (FKG455CT).

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CT-6040T

Launched: 1987?
Bus: ISA 8-bit.
FCC ID: FKG455CT-6040T

A Hercules monochrome compatible card with Centronics parallel port.

CT-6190S "Magic Combo"

Launched: 1987?
Bus: ISA 8-bit.
FCC ID:

A Hercules monochrome compatible card with Centronics parallel port.

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