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Processor
Description Spare part number
AMD A10-5800B, 3.8 GHz, 4-MB L2 cache (100-W), HD 7660D 703598-001
AMD A8-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D 703601-001
AMD A6-5400B, 3.6 GHz, 4-MB L2 cache (65-W), HD 7540D 703600-001
AMD A4-5300B, 3.4 GHz, 4-MB L2 cache (65-W), HD 7480D 703599-001
1. Prepare the computer for disassembly (Preparation for Disassembly on page 49).
2. Remove the access panel (
Computer Access Panel on page 50).
3. Remove the heat sink (
Heat sink on page 82).
4. Rotate the locking lever to its full open position (1).
5. Carefully lift the processor from the socket (2).
CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and
handling them could cause irreparable damage. Once pins are damaged it may be necessary to
replace the system board.
The heat sink must be installed within 24 hours of installing the processor to prevent damage to
the processor’s solder connections.
Reverse the removal procedure to install a new processor.
NOTE: After installing a new processor onto the system board, update the system ROM to ensure
that the latest version of the BIOS is being used on the computer. The latest system BIOS can be
found on the Web at:
http://h18000.www1.hp.com/support/files.
84 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis