System information

4–44 Maintenance and Service Guide
Removal and replacement procedures
Processor
✎
All processor spare part kits include replacement thermal material.
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 4-7)
5. Remove the following components:
a. Optical drive (see “Optical drive” on page 4-9)
b. Hard drive (see “Hard drive” on page 4-15)
c. Switch cover and keyboard (see “Switch cover and keyboard” on page 4-20)
d. Display assembly (see “Display assembly” on page 4-25)
e. Top cover (see “Top cover” on page 4-30)
f. USB board (see “USB board” on page 4-35)
g. System board (see “System board” on page 4-37)
h. Fan/heat sink (see “Fan/heat sink” on page 4-41)
Description Spare part number
AMD Turion II Ultra Dual-Core Mobile Processor (2-MB L2 cache)
■ M640, 2.60-GHz 576256-001
■ M620, 2.50-GHz 576255-001
■ M600, 2.40-GHz 576254-001
AMD Turion II Dual-Core Mobile Processor (1-MB L2 cache)
■ M520, 2.30-GHz 583055-001
■ M500, 2.20-GHz 576253-001
AMD Athlon II Dual-Core Processor for Notebook PCs (1-MB L2 cache)
■ M320, 2.10-GHz 576252-001
■ M300, 2.00-GHz 578024-001
AMD Sempron Processor (512-KB L2 cache)
■ M100, 2.00-GHz 576251-001