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# 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| Parallel port | CN1 | Monochrome composite | CN3 |
| | | video out | |
|---------------------+-------+----------------------+-------|
| 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. |
+------------------------------------------------------------+