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IMS IMSAI 8080 User Manual page 325

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FUNCTIONAL DESCRIPTION
The IMSAI SIOC Board is a small optional board used with
the Serial Interface (SIO Board).
selection of any USART clock frequency from 15 Hz to 56 KHz.
The generated clock frequency is determined b y a binary
value set in two 16-pin jumper sockets.
jumper socket allows selection of either the SIOC or the
standard SIO USART clocks to channels A and/or B.
Physically, the SIOC Board measures 5.2 X 2.2", and piggy­
back mounts to a standard SIO Board.
and decoupling capacitors are provided with the SIOC Board.
SIOC BOARD
The SIOC provides user
Mounting hardware
SIOC Board
Rev. - 2
Functional Description
An additional
9A - 1

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