Compaq 325 and 326 Notebook PCs HP 425 and 625 Notebook PCs - Maintenance and Service Guide

Processor
NOTE: The processor spare part kit includes replacement thermal material.
Description Spare part number
AMD Athlon™ II Dual-Core P320 2.1-GHz, 2MB L2 594165–001
AMD Sempron™ Single-Core V120 2-GHz, 2MB L2 594171–001
AMD Turion™ II Dual-Core, P520 2.3-GHz, 2MB L2 594173–001
AMD Phenom II Champlain P820 25W 594167-001
Before removing the processor, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 48).
5. Remove the service door (see
Service door on page 49).
6. Remove the fan (see
Fan on page 59).
7. Remove the heat sink (see
Heat sink on page 60).
Remove the processor:
1. Position the computer right-side up with the front toward you.
2. Use a flat-bladed screwdriver to turn the processor locking screw (1) one-half turn
counterclockwise until you hear a click.
62 Chapter 4 Removal and replacement procedures