HP EliteBook 8570w, Maintenance And Service Manual

Page: 125 / 181

System board
NOTE: All system board spare part kits include replacement thermal material and VGA support
bracket.
NOTE: Models that support quad-core processors have four memory slots. Models that support dual-
core processors have two memory slots.
Description Spare part number
For use with quad-core processors and the Windows 8 Professional operating system in all countries
except China and Russia 690643-601
For use with quad-core processors and the Windows 8 Standard operating system in all countries
except China and Russia 690643-501
For use with quad-core processors and the Windows 7 operating system in all countries except
China and Russia 690643-001
For use with quad-core processors in China and Russia only 696441-001
For use with dual-core processors and the Windows 8 Professional operating system in all countries
except China and Russia 690642-601
For use with dual-core processors and the Windows 8 Standard operating system in all countries
except China and Russia 690642-501
For use with dual-core processors and the Windows 7 operating system in all countries except
China and Russia 690642-001
For use with dual-core processors in China and Russia only 696440-001
Before removing the system board, follow these steps:
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
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 from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 54 ).
5. Remove the service door (see Service door on page 60 ).
6. Remove the following components:
a. Hard drive (see Hard drive on page 72 ).
b. Upgrade bay device (see Upgrade bay device on page 77 ).
c. Keyboard (see Keyboard on page 81 ).
Component replacement procedures 117