Primary memory module
Description Spare part number
4096-MB (PC2-5300, 667-MHz, DDR2) 469650-001
2048-MB (PC2-5300, 667-MHz, DDR2) 450576-001
1024-MB (PC2-5300, 667-MHz, DDR2) 450575-001
512-MB (PC2-5300, 667-MHz, DDR2) 450577-001
Before removing the primary 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 44).
Remove the primary memory module:
1. Loosen the three Phillips PM2.5×5.0 captive screws (1) that secure the memory module/WLAN
module compartment cover to the computer.
2. Lift the front edge of the cover (2), swing it up and forward, and remove the cover. The memory
module/WLAN module compartment cover is included in the Plastics Kit, spare part number
450585-001.
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.)
52 Chapter 4 Removal and replacement procedures
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