IBM X3950 X5 Problem Determination And Service Manual page 164

10. If you are instructed to return the RAID adapter assembly, follow all
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IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
Post
Tabs
9. If a battery is installed on the RAID adapter, remove the battery carrier card
and the battery from the RAID adapter. You must remove the three screws to
separate them.
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Release
latch