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Figure 86. Replacing the drive trays
b) Slide the drive tray forward and align the screws with their holes.
c) Tighten the two screws (A) at the middle of the drive tray.
d) Tighten the two screws (B) at the front of the drive tray.
e) Repeat steps "14.a" on page 85 through "14.d" on page 86 for the second drive tray.
15. Replace the backup power modules and back up power module cables, if present. Otherwise,
continue with the next step.
Note: The BPM is mounted in a standard drive carrier. The BPM is handled as a drive in this
procedure.
a) If your system has more than one backup power module (BPM), refer to your notes for the
locations you recorded for each BPM and decide which BPM you want to replace first.
b) Refer to Figure 87 on page 87. Carefully route the BPM cable through the sheetmetal cutout (B)
in the bulkhead and up through the sheetmetal cutout (A) that is below the BPM tray.
86 Power Systems: System backplane
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