Removal and replacement procedures

Memory module

Description

Spare part number

 

 

4096-MB (PC2-6400, 800-MHz, DDR2)

501489-001

 

 

2048-MB (PC2-6400, 800-MHz, DDR2)

501488-001

 

 

1024-MB (PC2-6400, 800-MHz, DDR2)

501487-001

 

 

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 4-8).

5.Remove the SIM (see “SIM” on page 4-9).

6.Remove the hard drive cover (see “Hard drive” on page 4-10).

Remove the memory module:

✎The top memory module slot is for extension memory and the bottom slot is for primary memory.

1.

Spread the retaining tabs on each side of the memory module to release the memory module. (The edge of

 

the module opposite the slot rises away from the computer.)

2.

Remove the memory module by pulling the module away from the slot at an angle.

✎Memory modules are designed with a notch to prevent incorrect insertion into the memory module slots.

Reverse this procedure to install a memory module.

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Maintenance and Service Guide