PC TV Adapter (250-1660) System Requirements Faxback Doc. # 5252 You must have the following items to use your PC TV Adapter: An IBM PC XT or AT compatible computer with an ISA or EISA bus (FCC Class B). A VGA monitor that supports a 31.5kHz or higher horizontal scan frequency. An available full-length expansion slot. A hard drive. MS-DOS 3.0 or higher operating system Microsoft Windows version 3.0 or later (optional) A video source, such as a VCR, laser disc player, camcorder, cable TV access, or antenna. Headphones or speakers. (DTC/jlc-03/23/94)