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5. Replace the processor and memory riser card cover as described in "Replacing
Processor and Memory Riser Card Cover" on page 315.
6. Replace the system unit covers as described in "Replacing Covers" on page 314.
Processor Card
Removal
Attention:
Static-Sensitive Devices" on page 310).
Note: Installing a processor card into your system unit may require updating the
1. Power off the system (see "Powering Off and Powering On the System" on page 9).
2. Disconnect the ac power cord.
3. Remove the left side cover (see "Removing the Covers" on page 311).
4. Remove the door to the CEC.
a. Remove the knurled screw at the right to unlock the door.
b. Pivot the door to the left to remove it.
5. Compress the tabs on each side of the processor unit to unlock the unit.
6. Pivot the tabs outward to disconnect the processor unit from its connector.
7. Pull the processor unit straight out of the CEC.
Replacement
Replace in reverse order.
Note: If you replace a 1-way processor unit with a 2-way, 4-way, or 6-way processor
Battery
CAUTION:
A lithium battery can cause fire, explosion, or a severe burn. Do not recharge,
disassemble, heat above 100 degrees C (212 degrees F), solder directly to the
cell, incinerate, or expose cell contents to water. Keep away from children.
Replace only with the part number specified for your system. Use of another
battery may represent a risk of fire or explosion.
The battery connector is polarized; do not attempt to reverse the polarity.
Dispose of the battery according to local regulations.
C9
All cards are sensitive to electrostatic discharge (see "Handling
firmware. A diskette is included with your new processor card if that is required.
unit, be sure to remove any memory DIMMs from the 1-way unit and transfer
them to a memory riser card.
Chapter 9. Removal and Replacement Procedures
349
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