KIM-1 by MOS Technology Inc. year of production .... 1075 cpu ................... 6502 at 1 MHz rom ................... 2K (6530) ram ................... 1K + 2 x 64 bytes (6530) display ............... 6 x 7-segment LED keyboard .............. 24 keys hex the board contained 2 6530 circuits which incorporate 1K rom, 64 bytes RAM and some i/o ports each. One Rom is the TIM (Terminal Input Monitor) and the other Rom is the KIM (Keyboard Input Monitor). Serial port, cassette tape, CRTC or printer could be attached with some wire-on.