IBM RT PC Options Installation page 93

8. Connect B on the cable to the 34-pin connector on the rear of the
second diskette drive.
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O(~t~_11
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9. Connect P 12 on the power connector to the 4-pin connector on the rear
of the diskette drive. (See page 2-25 for a diagram of the power cable
and connectors.) Connect the ground wire to the ground tab on the
second diskette drive.
~
Ground Wire
\oL
L.S:
Tab
2-52 Options Installation