TWINHEAD INTERNATIONAL CORP.
CT-6020A
| 
 Card Type  | 
 Video card  | 
| 
 Video Processor  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 None  | 
| 
 I/O Options  | 
 Parallel port, light pen port  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Video Types Supported  | 
 CGA  | 
| 
 Highest Resolution Supported  | 
 640 x 200  | 

| 
 CONNECTIONS  | 
|||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Parallel port  | 
 CN1  | 
 Monochrome composite video out  | 
 CN3  | 
| 
 9-pin digital video  | 
 CN2  | 
 Light pen port  | 
 CN4  | 
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 Jumper J1 is used to select the parallel port address. It may be set to 378h or 278h. Its exact configuration is unidentified.  |