Description Spare part number
2410M, 2.3-GHz (turbo up to 2.9-GHz) processor with 3-MB L3 cache 638039-001
Intel Core i3 processors, Dual Core
2350M, 2.3-GHz processor 3-MB L3 cache 653340-001
2330M, 2.2-GHz processor 3-MB L3 cache 653339-001
2310M, 2.1-GHz processor with 3-MB L3 cache 638037-001
Intel Pentium processors
B950, 2.1-GHz, with 2-MB L3 cache 653338-001
B940, 2.0-GHz, with 2-MB L3 cache 653337-001
Intel Celeron processor, Dual Core
B810, 1.6-GHz, with 2-MB L3 cache 646760-001
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 47).
5. Remove the following components:
a. Bottom door (see
Bottom door on page 49).
b. Hard drive (see
Hard drive on page 52)
c. Optical drive (see
Optical drive on page 50)
d. WLAN module (see
WLAN/Bluetooth combo card on page 58)
e. WWAN module (see
WWAN module on page 56)
f. Fan (see
Fan on page 93)
g. Heat sink (see
Heat sink on page 95)
h. Keyboard (see
Keyboard on page 63)
i. Top cover (see
Top cover on page 65)
j. System board (see
System board on page 85)
k. Fan (see
Fan on page 93)
l. Heat sink (see
Heat sink on page 95)
98 Chapter 4 Removal and replacement procedures
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