Replace the Power Supply Backplane Board (FRU)
Servicing FRU Components
197
Replace the Power Supply Backplane Board (FRU)
When servicing the components in this section, unplug the AC power cords and use ESD
protection.
Caution -
Hazardous voltage. The system supplies power to the power board even when the
server is in standby power mode. Disconnect power cords before servicing the power supply
backplane board.
Before You Begin
■
For serviceability considerations, see
“Component Serviceability” on page 66
.
1.
Prepare the server for service. See
.
2.
Disconnect the SAS/SATA cables from the disk drive backplane and the HBA.
3.
Remove all PCIe cards from the server taking care to note their slot
assignments. See
“Remove a PCIe Card” on page 148
.
Make a note of where each PCIe card installed so they can be put back in the same slots.
The internal SAS/SATA cables do not need to be removed, but must be out of the way as the
motherboard needs to be removed.
4.
If the server has two CPUs, carefully remove the air baffle, taking care not to
damage the fan board ribbon cable.
Lift the baffle slowly and maneuver its front edge away from the ribbon cable while removing.
Caution -
Component damage. Lifting the baffle straight up from the server can damage the fan
board ribbon cable. The front support foot for the air baffle is located under the cable.
5.
Remove all memory riser cards. See
.
6.
Disconnect the fan board data and power cables from the motherboard.
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