IBM RT PC Options Installation page 113

3. Connect any cables you disconnected earlier. Then, to install the rear
cover, slide the cables into the slots in the cover.
a. Insert the bottom hooks into the holes.
b. Push down on the cover.
c. Insert the top clips into the loops.
4. Insert the key into the keylock and turn the key clockwise.
~ [:B!hl
ECFI
111111111111111111111111111111111111111111111111
111111111111111111111111111111111111111111111111
After you have installed the options, you need to record the hardware
changes on the record stored in the system. Go to IBM RT PC Problem
Determination Guide to find the Diagnostics 1 (DIAG-l) diskette and run
the diagnostics. On the DIAGNOSTIC SELECTION menu, select option
1, System Checkout.
If you need to set up the system, go to the check list in Section 1 of IBM
RT PC User Setup Guide for instructions to continue the setup process.
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Options Installation