IBM RT PC, Options Installation

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4-4 Options Installation
Installing Processor Options
CAUTION
Before doing any procedure, turn off power on the system
unit and all connected devices, and unplug system unit
and device power cables from electrical outlets. Refer to
“Safety Notice Translations” on page iii.
If you have not removed the covers, see “Removing the Covers From
the System Units” on page 1-4.
Refer to “General Instructions” on page 3-4 when necessary for
information on installing adapters.
After all options have been installed, it is important to complete
the checkout procedure in Section 9, “Checking Out the Option
Installation.”