System board
NOTE: The system board spare part kit includes a graphics subsystem with UMA memory and replacement
thermal material.
Description Spare part number
Equipped with an Intel Core i3-5005U 2.00-GHz processor (1600-MHz FSB, 3.00-MB L3 cache, dual core,
15 W) and the Windows 8 Professional operating system
809874-601
Equipped with an Intel Core i3-5005U 2.00-GHz processor (1600-MHz FSB, 3.00-MB L3 cache, dual core,
15 W) and the Windows 8 Standard operating system
809874-501
Equipped with an Intel Core i3-5005U 2.00-GHz processor (1600-MHz FSB, 3.00-MB L3 cache, dual core,
15 W) and a non-Windows 8 operating system
809874-001
Equipped with an Intel Celeron 3805U 1.50-GHz processor (1600-MHz FSB, 2.00-MB L2 cache, dual core,
15 W) and the Windows 8 Professional operating system
817352-601
Equipped with an Intel Celeron 3805U 1.50-GHz processor (1600-MHz FSB, 2.00-MB L2 cache, dual core,
15 W) and the Windows 8 Standard operating system
817352-001
Equipped with an Intel Celeron 3805U 1.50-GHz processor (1600-MHz FSB, 2.00-MB L2 cache, dual core,
15 W) and a non-Windows 8 operating system
817352-001
Equipped with an Intel Celeron 3205U 1.50-GHz processor (1600-MHz FSB, 2.00-MB L2 cache, dual core,
15 W) and the Windows 8 Professional operating system
809873-601
Equipped with an Intel Celeron 3205U 1.50-GHz processor (1600-MHz FSB, 2.00-MB L2 cache, dual core,
15 W) and the Windows 8 Standard operating system
809873-001
Equipped with an Intel Celeron 3205U 1.50-GHz processor (1600-MHz FSB, 2.00-MB L2 cache, dual core,
15 W) and a non-Windows 8 operating system
809873-001
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see Battery on page 24), and then remove the following components:
a. Bottom cover (see Bottom cover on page 26)
b. Hard drive (see Hard drive on page 28)
c. WWAN module (see WWAN module on page 33)
d. Keyboard/top cover (see Keyboard/top cover on page 48)
NOTE: When replacing the system board, be sure that the fan/heat sink assembly (see Fan/heat sink
assembly on page 58) and the RTC battery (see RTC battery on page 60) are removed from the defective
system board and installed on the system board.
Remove the system board:
Component replacement procedures 55
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