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System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
Equipped with discrete graphics subsystem and Intel Core i5-430UM 1.20-GHz turbo processor
(800-MHz FSB, 3-MB L2 cache, 18-W)
611491-001
Equipped with discrete graphics subsystem and Intel Core i3-330UM 1.20-GHz processor (800-MHz
FSB, 3-MB L2 cache, 18-W)
611489-001
Equipped with discrete graphics subsystem and Intel Pentium U5400 1.20-GHz processor (800-MHz
FSB, 2-MB L2 cache, 18-W)
611487-001
Equipped with UMA graphics subsystem and Intel Core i5-430UM 1.20-GHz turbo processor (800-
MHz FSB, 3-MB L2 cache, 18-W)
611490-001
Equipped with UMA graphics subsystem and Intel Core i3-330UM 1.20-GHz processor (800-MHz
FSB, 3-MB L2 cache, 18-W)
611488-001
Equipped with UMA graphics subsystem and Intel Pentium U5400 1.20-GHz processor (800-MHz
FSB, 2-MB L2 cache, 18-W)
611486-001
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 cord.
4. Remove the battery (see
Battery on page 35).
5. Remove the hard drive (see
Hard drive on page 37).
6. Disconnect the WLAN antenna cables from the WLAN module (see
WLAN module on page 43).
7. Remove the following components:
a. Hard drive (see
Hard drive on page 37).
b. Top cover (see
Top cover on page 48)
c.
Display assembly (see
Display assembly on page 55)
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory module (see
Memory module on page 40)
●
WLAN module (see
WLAN module on page 43)
●
RTC battery (see
RTC battery on page 47)
●
Power connector and cable (see
Power connector and cable on page 62)
ENWW
Component replacement procedures
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