5. Stand the server back up in its vertical position.
6. Reinstall the hot-swap power supplies (see “Replacing the hot-swap power
supply” on page 264).
7. Install and lock the side cover (see “Replacing the side cover” on page 182).
8. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
Removing the microprocessor and heat sink
Use this information to remove the microprocessor and heat sink
To remove the microprocessor and heat sink on the 4U server model with
non-hot-swap power supplies, complete the following steps. For 5U server models
with hot-swap power supplies, please see the next sub-section.
1. Read the safety information in “Safety” on page vii and “Installation
guidelines” on page 35.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
3. Carefully turn the server on its side so that it is lying flat, with the cover
facing up.
Attention: Do not allow the server to fall over.
4. Remove the side cover (see “Removing the side cover” on page 38).
5. Remove the air baffle (see “Removing the air baffle” on page 39).
6. Remove the heat sink from the microprocessor:
CAUTION:
The heat sink may become very hot during normal operation. Allow time
for the heat sink to cool down before you touch it.
Cable clips
Figure 218. Power cable insertion to the backplane for 5U server model with hot-swap power
supplies (3)
300 System x3100 M5 Type 5457: Installation and Service Guide
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