IBM RT User's Setup Manual page 203

7. Connect D on the cable to the 34-pin connector on the rear of
the drive in position D. C onnect D1 to the 20-pin connector on
the drive.
Note:
Internal fixed-disk drives may differ in appearance.
D ata, signal, and power connectors, however, rem ain in the
same relative positions.
AJZIF061
Options Installation
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