Midplane-Board Vrm - IBM eServer xSeries 455 Type 8855 Hardware Maintenance Manual And Troubleshooting Manual

8. To replace the midplane board, reverse the previous steps.

Midplane-board VRM

Before you begin:
v Read "Installation guidelines" on page 77.
v Read the safety notices at "Safety notices (multilingual translations)" on page
v Read "Handling static-sensitive devices" on page 218.
To remove the VRM from the midplane board, complete the following steps:
1. Turn off the server (see "Turning off the server" on page 9), and disconnect all
2. Open the top cover (see "Opening the cover" on page 84).
3. Remove the memory-board assembly. See "Memory-board assembly" on page
4. Remove the shipping thumbscrews from the right side of the server, and lift the
5. Remove the processor-board assembly. See "Processor-board assembly" on
6. Remove the VRM-retention spring.
7. Pull the VRM from the midplane-board VRM connector.
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IBM xSeries 455 Type 8855: Hardware Maintenance Manual and Troubleshooting Guide
219.
power cords and external cables.
127 for details.
retention bracket from the server.
page 129 for details.