IBM IntelliStation Z Pro Type 6866 User Manual page 134

4. Press the latch tab on the front fan and push the adapter guide latch
toward the front of the chassis until it snaps into place.
5. Disconnect the hard disk drive power cable and the hard disk drive fan
cable on the memory card.
6. Push the tab on the back of the memory card inward and pull the
memory card out of the chassis.
Note: If any long adapters are installed in PCI slots, they must also be
removed. These adapters must also be replaced before
replacing the memory card.
7. Press the latch tabs on the front fan to release it from its position in the
chassis and move the front fan aside.
8. Locate the battery. Refer to the system board label inside your
computer or see "Identifying parts on the system board" on page 60.
9. Remove the old battery.
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IntelliStation Z Pro User Guide