HP (Hewlett-Packard) FM989UAABA Laptop User Manual


 
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