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3-32 Installation and Service Guide
Replacement
Reminder to Service Representative: After you exchange the CPU card, notify the
customer that the unique identification number of the system unit has changed. The
customer needs to update the authorization number for any program that uses the
identification number for access.
1. Plug the voltage regulator card into the CPU card.
2. Align the CPU card with the front and rear card guides and the connector, and then press
the CPU card down into the connector.
3. Replace the CPU support bracket.
4. Replace the top cover.
5. Set the power switches of the attached devices to On.
6. Set the power switch of the system unit to On.