Check for the voltage at Pin
12
on
the
Signal Cable connector
to drop from 2.0-5.5 Vdc
to
0-0.8 Vdc during the POST.
01'---_
DID THE VOLTAGE AT PIN 12 ON THE SIGNAL CABLE
CONNECTOR DROP TO 0-0.8 Vdc BEFORE THE BEEP AT
THE END
OF
THE POWER ON SELF TEST (POST)?
NO Replace the Diskette Drive Adapter. See Section 3,
"Removal/Replacement. "
YES Replace the Diskette Drive assembly. See Section 3,
"Removal/Replacement. "
600-12
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