Memory module
Description Spare part number
1024-MB memory module (PC2-6400, DDR2, 533-MHz) 598861-001
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. If your computer has WWAN capability, remove the SIM (see SIM on page 37).
Remove the memory module:
1. Loosen the 2 Phillips PM2.0×3.0 captive screws (1) that secure the memory module compartment
cover to the computer.
2. Swing the cover up and away from the inside of the computer (2), and then remove the cover (3).
3. Spread the retaining tabs (1) on each side of the memory module slot to release the memory
module. (The edge of the module opposite the slot rises away from the computer.)
38 Chapter 4 Removal and replacement procedures