HP EliteDesk 800 G1 Small Form Factor, Service Manual

Page: 93 / 295

Processor
Description Spare part number
Intel Core i7 processor (includes thermal material)
4770, 3.4 GHz, 8-MB L3 cache, 86W 727373-001
Intel Core i5 processors (include thermal material)
4670, 3.4 GHz, 6-MB L3 cache, 86W 727381-001
4570, 3.2 GHz, 6-MB L3 cache, 86W 727380-001
1. Prepare the computer for disassembly ( Preparation for disassembly on page 44 ).
2. Remove the access panel ( Access panel on page 45 ).
3. Remove the fan sink ( Fan sink on page 79 ).
4. Rotate the locking lever to its full open position (1) .
5. Raise and rotate the microprocessor retainer to its fully open position (2) .
6. Carefully lift the processor from the socket (3) .
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.
Processor 81