Installation Procedures - IBM 5155 Manual To Operations

Installation Procedures
1
Set the Power switch on the system unit to Off.
(If the expansion unit is attached, also set its
Power switch to Off.)
2
Set the Power switches on all external devices to
Off.
3
Unplug the system unit's power cord from the
wall outlet. (If the expansion unit is attached,
also unplug its power cord.)
4
Unplug all external-device power cords from the
wall outlets.
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Option Installation 4-7