Memory module
Description Spare part number
4 GB memory module (DDR2, 800-MHz, PC2-6400, 1-DIMM) 509409-002
2 GB memory module (DDR2, 800-MHz, PC2-6400, 1-DIMM) 509410-002
1 GB memory module (DDR2, 800-MHz, PC2-6400, 1-DIMM) 509411-001
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 48).
Remove the memory module:
1. Position the computer with the front toward you.
2. Loosen the three Phillips PM2.5×5.5 captive screws (1) that secure the memory module
compartment cover to the computer.
3. Lift the rear edge (2) of the cover, swing it up and to the front, and remove the cover (3). The
memory module compartment cover is included in the Plastics Kit, spare part number
511890-001.
4. 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.)
Component replacement procedures 53
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