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 640 x 200 Supported [Image] 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.