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System board
NOTE: The system board spare part kit includes the processor, replacement thermal material, and
a replacement thermal material cleaning kit.
Description Spare part number
System boards equipped with a standard-voltage (35-W) processor:
Equipped with an Intel Core i7-620M 2.66-GHz processor for use in all countries and regions except
the People's Republic of China and Russia
598765-001
Equipped with an Intel Core i7-620M 2.66-GHz processor for use only in the People's Republic of
China and Russia
614968-001
Equipped with an Intel Core i5-540M 2.53-GHz processor for use in all countries and regions except
the People's Republic of China and Russia
598764-001
Equipped with an Intel Core i5-540M 2.53-GHz processor for use only in the People's Republic of
China and Russia
614967-001
Equipped with an Intel Core i5-520M 2.40-GHz processor for use in all countries and regions except
the People's Republic of China and Russia
598763-001
Equipped with an Intel Core i5-520M 2.40-GHz processor for use only in the People's Republic of
China and Russia
614966-001
System boards equipped with a low-voltage (25-W) processor:
Equipped with an Intel Core i7-640M 2.13-GHz processor for use in all countries and regions except
the People's Republic of China and Russia
598762-001
Equipped with an Intel Core i7-640M 2.13-GHz processor for use only in the People's Republic of
China and Russia
614965-001
Before removing the system board, 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 44), and then remove the following components:
a. Bluetooth module (see
Bluetooth module on page 46)
b. Low-voltage hard drive (see
Low-voltage hard drive or solid-state drive on page 50)
c. Memory module compartment cover (see
Expansion memory module on page 48)
d. Wireless module compartment cover (see
WLAN module on page 53)
e. Optical drive (see
Optical drive on page 59) or standard-voltage hard drive (see Standard-
voltage hard drive or solid-state drive on page 61)
f. Switch cover and keyboard (see
Switch cover and keyboard on page 65)
g. Display assembly (see
Display assembly on page 72)
Component replacement procedures 89