IBM 1911, Service Manual

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b. Gently push the retaining clips away from the expansion card; then, lift the
card out of the expansion-card connector.
c.
Remove the cable from the storage interface card by holding the card in one
hand; then, use your other hand to pull the cable away from the card. When
pulling the cable, make sure that you hold the cable where there is a blue
touchpoint.
6. To remove the backup-battery cable, complete the following steps.
a. Remove the cable from the storage interface card by holding the blue
touchpoint on the cable; then, pull the cable away from the card.
b. Remove the cable from the backup battery by holding the blue touchpoint
on the cable; then, pull the cable away from the backup battery.
7. The backup battery is installed in DIMM connector seven. To remove the
backup battery, complete the following steps.
a. If you have not already done so, remove the backup-battery cable from the
backup battery by holding the blue touchpoint on the cable; then, pull the
cable away from the backup battery.
b. Remove the backup battery from the DIMM connector seven by using the
instructions to remove a memory module (see “Removing a memory
module” on page 64).
8. Remove the backup battery from DIMM connector seven.
9. If you are instructed to return the storage interface card, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
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BladeCenter HS22 Type 7870, 1936, and 1911: Problem Determination and Service Guide