IBM 7012 300 Series Installation And Service Manual page 97

Replacement
1. Align the memory card with the front and rear card guides and the connector, and press
the card down into the connector.
2. Replace the CPU card.
3. Do the Top Cover replacement procedure on page 3-4.
4. If the system unit has a rear cover, do the Rear Cover replacement procedure on page
3-3.
5. Set the power switches of the attached devices to On.
6. Set the power switch of the system unit to On.
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Installation and Service Guide