MITS ALTAIR 680b Turnkey Computer For Sale

MITS ALTAIR 680b Turnkey Computer
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MITS ALTAIR 680b Turnkey Computer:
$2950.00

MITS ALTAIR 680b Turnkey Computer - Non-working

Board is being offered for sale inAS-IS and AS-Pictured condition.

Mainclock shows 2MHz output (at pin 4 of 7404, chip ZZ)

Baudrate chip shows 4.762 KHz output (at pin 10 of 4702, chip Z)

500KHz at R23 & R28, and (PP) pins 3 (CPU o1) and 5 (CPU o2)


WithVARIAC set to 110 VAC

Power Supplies:

+5(at positive side of C3) = +5.09V, 7805 regulator

-9(at negative side of C1) = -9.35V

+16(at positive side of C4) = +17.1V

-16(at negative side of C5) = -15.9V


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Documentation