HP (Hewlett-Packard) 8570w ユーザーズマニュアル

All system board spare part kits include replacement thermal material and VGA support

bracket.

Models that support quad-core processors have four memory slots. Models that support dual-

core processors have two memory slots.

For use with dual-core processors

690642-001

For use with quad-core processors

690643-001

For use with dual-core processors in China and Russia

696440-001

For use with quad-core processors in China and Russia

696441-001

Before removing the system board, follow these steps:

Make special note of each screw and screw lock size and location during removal

and replacement.

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.

Disconnect all external devices connected to the computer.

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.

Remove the battery (see 

Remove the service door (see 

Remove the following components:

a. Hard drive (see 

b. Upgrade bay device (see 

).

Keyboard (see 

d. Top cover (see 

e. Fan and heat sink assembly (see 

).

Audio/USB 3.0 board (see 

).

g. Speakers (see 

h. ExpressCard/USB 2.0 assembly (see 

).

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 modules (see 

)

●

)

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Chapter 4   Removal and replacement procedures