Geoff Graham ASCII Video Terminal PC Board updated by G Kaufman 6/2020 Added RS232 connector and driver Changed jumper arrangement for color selection Changed USB to "A" type to support USB Keyboards For USB keyboard us modified firmware https://github.com/dhansel/TerminalUSB Connectors: CON1: TTL Serial 1: 3.3V 2: RxD 3: TxD 4: GND CON2: USB "A" for Keyboard (Make sure JP2/power to USB is jumpered) CON3: Power +5V (Center positive) CON4: Mini-DIN6 for PS/2 style Keyboard CON5: Composite Video Output CON6: VGA CON7: ICSP 1: MCLR 2: Vcc 3: GND 4: PGD 5: PCC 6: n/c CON8: RS232 DB9 JP1: Bootload JP2: Power to USB JP3: DTR --> DSR JP4: DTR --> DCD JP5: RTS --> CTS J1: Baud Setting: A B C X X X 115200 X X - 57600 X - X 38400 X - - 19200 - X X 9600 - X - 4800 - - X 2400 - - - 1200 / Software Configuration J2: VGA Color (Red/Green/Blue) Must connect one for video output