TWINHEAD INTERNATIONAL CORPORATION
CT-8490
Card Type |
Video card |
Video Chip Set |
Unidentified |
Maximum Video Memory |
Unidentified |
Video Types Supported |
Monochrome, CGA, EGA, VGA |
Highest Resolution Supported |
800 x 600 |
Data Bus |
8-bit ISA |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
VGA feature connector |
CN1 |
9-pin TTL video connector |
CN3 |
15-pin Analog video connector |
CN2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
CT-8490 is primary display card |
SW1/5 |
On | |
CT-8490 is secondary display card |
SW1/5 |
Off |
MONITOR TYPE SELECTION | ||||
Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
Monochrome |
On |
On |
On |
On |
CGA |
Off |
On |
On |
On |
EGA |
On |
Off |
On |
On |
VGA |
On |
On |
On |
Off |
Monochrome (PS/2) |
Off |
On |
On |
Off |
MultiSync TTL |
Off |
Off |
On |
On |
MultiSync analog |
Off |
On |
On |
Off |
DISPLAY MODE SELECTION | |||
Setting |
SW1/6 |
SW1/7 |
SW1/8 |
Lock at monochrome display mode |
On |
Off |
On |
Lock at CGA display mode |
Off |
On |
On |
Lock at EGA display mode |
On |
On |
Off |
Lock at VGA display mode |
On |
On |
Off |
Lock at VGA display mode |
On |
On |
Off |
Set at auto switch |
On |
On |
On |
Set at auto switch |
On |
On |
On |