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System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
System boards for use in models without Windows 8:
Intel Core i7-3667U processor (2.00 GHz [3.2-GHz max turbo frequency], 4-MB cache) 702848-001
Intel Core i5-3427U processor (1.80 GHz [2.8-GHz max turbo frequency], 3-MB cache) 702849-001
Intel Core i5-3317U processor (1.70 GHz [2.6-GHz max turbo frequency], 3-MB cache) 704439-001
Intel Core i3-3217U processor (1.80 GHz, 3-MB cache) 702847-001
System boards for use in Windows 8 models:
Intel Core i7-3667U processor (2.00 GHz [3.2-GHz max turbo frequency], 4-MB cache) for use in
models with Windows 8 Standard
702848-501
Intel Core i7-3667U processor (2.00 GHz [3.2-GHz max turbo frequency], 4-MB cache) for use in
models with Windows 8 Professional
702848-601
Intel Core i5-3427U processor (1.80 GHz [2.8-GHz max turbo frequency], 3-MB cache) for use in
models with Windows 8 Standard
702849-501
Intel Core i5-3427U processor (1.80 GHz [2.8-GHz max turbo frequency], 3-MB cache) for use in
models with Windows 8 Professional
702849-601
Intel Core i5-3317U processor (1.70 GHz [2.6-GHz max turbo frequency], 3-MB cache) for use in
models with Windows 8 Standard
704439-501
Intel Core i5-3317U processor (1.70 GHz [2.6-GHz max turbo frequency], 3-MB cache) for use in
models with Windows 8 Professional
704439-601
Intel Core i3-3217U processor (1.80 GHz, 3-MB cache) for use in models with Windows 8
Standard
702847-501
Intel Core i3-3217U processor (1.80 GHz, 3-MB cache) for use in models with Windows 8
Professional
702847-601
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 40), and then remove the following components:
a. Hard drive cover (see
Hard drive cover on page 45)
b. Hard drive (see
Hard drive/SSD drive on page 46)
c. Service cover (see
Service cover on page 51)
d. Fan (see
Fan on page 66)
Component replacement procedures 67