HP EliteDesk 800 Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 171

Processor Description Intel Core i7 4770s, 3.4 GHz, 8-MB L3 cache Intel Core i5 4670s, 3.1 GHz, 6-MB L3 cache Intel Core i5 4570s, 2.9 GHz, 6-MB L3 cache Spare part number 732507-001 732506-001 732505-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Remove the heat sink (Heat sink on page 157). 4. Rotate the processor 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. To install the processor, reverse the removal procedures. NOTE: After installing a new processor onto the system board, always 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://www8.hp.com/us/en/support-drivers.html. Processor 159