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Primary memory module
Description Spare part number
2048-MB memory module (PC2-6400, 667-MHz, DDR2) 483194-001
1024-MB memory module (PC2-6400, 667-MHz, DDR2) 483193-001
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 47).
5. Remove the keyboard (see
Keyboard on page 61).
Remove the primary memory module:
1. 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.)
2. Remove the memory module (2) by pulling the module away from the slot at an angle.
NOTE: Memory modules are designed with a notch (3) to prevent incorrect insertion into the
memory module slot.
3. Remove the memory module.
Reverse this procedure to install the primary memory module.
64 Chapter 4 Removal and replacement procedures