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Expansion memory module<br />
Description<br />
Spare part number<br />
Memory modules (PC2-6400, 800-MHz, DDR2)<br />
4-GB 492572-001<br />
2-GB 492571-001<br />
1-GB 492570-001<br />
Before removing the memory module, follow these steps:<br />
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn<br />
the computer on, and then shut it down through the operating system.<br />
2. Disconnect all external devices connected to the computer.<br />
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet<br />
and then unplugging the AC adapter from the computer.<br />
4. Remove the battery (see Battery on page 46).<br />
Remove the memory module:<br />
1. Loosen the Phillips PM2.5×6.0 captive screw (1) that secures the memory module compartment<br />
cover to the computer.<br />
2. Lift the front edge of the cover (2), swing it back, and remove the cover (3). The memory module<br />
compartment cover is included in the Plastics Kit, spare part number 492577-001.<br />
3. Spread the retaining tabs (1) on each side of the memory module slot to release the memory<br />
module. (The edge of the module opposite the slot rises away from the computer.)<br />
50 Chapter 4 Removal and replacement procedures
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