System board

Description

Spare part number

 

 

System board (includes processor and replacement thermal material)

 

 

 

Includes Intel Atom N280 1.66-GHz processor, 512-KB Level 2 cache, 533-MHz front-side bus (FSB)

571370-001

 

 

Includes Intel Atom N270 1.6-GHz processor, 512-KB Level 2 cache, 533-MHz front-side bus (FSB)

537662-001

 

 

Before removing the system board, follow these steps:

1.Shut down the device. If you are unsure whether the device is off or in Hibernation, turn the device on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the device.

3.Disconnect the power from the device by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the device.

4.Remove the battery (see Battery on page 36).

5.If your device has WWAN capability, remove the SIM (see SIM on page 37.

6.Remove the following components:

a.Keyboard (see Keyboard on page 40)

b.Hard drive or solid-state drive (see Mass storage devices on page 45)

c.Top cover (see Top cover on page 48)

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:

●WLAN module (see WLAN module on page 51)

●WWAN module, if included (see WWAN module on page 53)

●RTC battery (see RTC battery on page 44)

●Heat sink assembly (see Heat sink assembly on page 59) Remove the system board:

1.Release the tape securing the WWAN antennas(1).

Component replacement procedures 61