IBM System x3950, Руководство по диагностике и обслуживанию

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PCI-X board assembly
To remove the PCI-X board assembly, complete the following steps:
AC
D
C
Handle
Retainer
screws
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 117.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables necessary to replace the device.
3. Remove the top cover and bezel (see “Top cover and bezel” on page 131).
4. Remove the power supplies and power-structure assembly (see “Power-supply
structure” on page 137).
5. Remove the I/O board (see “I/O board” on page 133).
6. Remove all adapters and adapter dividers, and place the adapters on a
static-protective surface.
Note: You might find it helpful to note where each adapter is installed before
removing the adapters.
7. Remove the card guide (see “PCI-X adapter guide” on page 136).
8. Disconnect the PCI-X switch card cable from the PCI-X board (see “PCI-X
switch card assembly” on page 146).
9. Disconnect the SAS backplane power cable from the PCI-X board (see “SAS
backplane” on page 138).
10. Remove all fans (see “Hot-swap fan” on page 123).
11. Remove the memory cards (see “Removing and replacing a memory card” on
page 126).
12. Lift the microprocessor-tray release latch, open the microprocessor-tray levers,
and pull the microprocessor tray out of the server slightly (see “Removing and
installing a microprocessor” on page 141).
13. Remove the power backplane (see “Power backplane” on page 147).
14. Loosen the blue retainer screws on the rear of the server.
Chapter 4. Removing and replacing server components
145