SWTPC MP - A AMI GRAY TRACE S6800 MICROPROCESSOR SYSTEM VINTAGE COMPUTER BOARD




Item History & Price

Information:
Reference Number: Avaluer:6936358Country/Region of Manufacture: United States
Brand: SWTPCUPC: Does not apply
Original Description:
The SWTPC MP-A board is the primary logic board for the system. It is a 5 1/2 inch x 9 inch circuit board containing the 6800 microprocessor chip, the 6830 ROM which stores the Mini-Operating system and the 6810 128 byte scratch pad memory for the ROM. There is a crystal controlled processor clock driver and baud rate generator providing serial interface baud rates of 110, 150, 300, 600 and 1200 baud. The board also contains a power up/manual reset circuit which loads the ROM stored op...erating system when activated. Full I/0 buffering is provided for the 16 address lines and 8 bi-directional data lines with those and other interconnections made to the rest of the system thru a fifty pin connector the mother board (MP-B).
UNTESTEDSOLD 100% GUARANTEED as pictured
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