HP DM3 manual Memory module, Description Spare part number

Memory module

Description	Spare part number
1-GB 800-MHz DDR2	598856-001
2-GB 800-MHz DDR2	598859-001
4-GB 800-MHz DDR2	599092-001

Before removing the memory module, 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 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 36).

5.Remove the memory/wireless module compartment cover WLAN module on page 43

Remove the memory module:

NOTE: The slot nearest the front edge of the computer is for primary memory. The slot next to it is for expansion memory.

1.Pull away the retention clips on each side of the memory module to release the memory module. (The memory module tilts up.)

CAUTION: To prevent damage to the memory module, hold it by the edges only. Do not touch the components on the memory module.

46 Chapter 4 Removal and replacement procedures