Oracle X5-4 Service Manual page 228

Replace the Power Supply Backplane Board (FRU)
Caution -
against the CPU0 heatsink radiator fins. They are sharp and can damage the cable insulation.
a. Lift the air divider so the tabs clear the slots in the power supply side wall.
You might need to create cable slack where the SAS and NVMe (if installed) cables
route through from the PCIe area. Doing this enables the air divider to move more easily.
Carefully arrange the cables in the PCIe area to ensure they can move easily in the gap
between the power supply side wall and CPU0 without hanging on the CPU0 heatsink
radiator fins.
b. Move the air divider away from the side wall and gently rotate the divider
and the cables attached to it away from the backplane area and set it down
on the motherboard in the empty memory riser area.
Disconnect the disk drive backplane power and data cables from the disk drive
10.
backplane.
See "Replace the Disk Drive Backplane (FRU)" on page
11. Remove the ribbon cable connecting the power supply backplane to the
motherboard.
See the illustration in step 8.
12. Remove the screw holding the power supply cover in place and remove the
power supply cover.
228 Oracle Server X5-4 Service Manual • December 2015
Hardware damage. Try not to allow the SAS and NVMe (if installed) cables to rub
238.