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4–42 Maintenance and Service Guide
Removal and replacement procedures
Processor
✎
The processor spare part kit includes 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. Wireless module compartment cover (see “WLAN module” on page 4-8).
b. Hard drive (see “Hard drive” on page 4-10).
c. Optical drive (see “Optical drive” on page 4-15).
d. Keyboard (see “Keyboard” on page 4-16).
e. Keyboard cover (see “Keyboard cover” on page 4-18).
f. Display assembly (see “Display assembly” on page 4-21).
g. Top cover (see “Top cover” on page 4-29).
h. System board (see “System board” on page 4-36).
i. Fan/heat sink assembly (see “Fan/heat sink assembly” on page 4-39).
Description Spare part number
M600 2.4-GHz processor (2-MB L2 cache, 3.6 GT/s HyperTransport speed) 576254-001
M520 2.3-Ghz processor (1-MB L2 cache, 3.6 GT/s HyperTransport speed) 583055-001
M500 2.2-GHz processor (1-MB L2 cache, 3.6 GT/s HyperTransport speed) 576253-001
M320 2.1-GHz processor (1-MB L2 cache, 3.2 GT/s HyperTransport speed) 576252-001
M300 2.0-GHz processor (1-MB L2 cache, 3.2 GT/s HyperTransport speed) 578024-001
M100 2.0-GHz processor (512-KB L2 cache, 3.2 GT/s HyperTransport speed) 576251-001