Expansion memory modules
NOTE: Expansion memory is installed in a compartment on the bottom of the computer.
Computers that use the system board with spare part number 595764-001 or 630293-001 have two
memory slots.
Computers that use the system board with spare part number 595765-001 or 630294-001 have four
memory slots. On these computers, in both the expansion memory slots (on the bottom of the
computer) and the primary memory slots (under the keyboard), slot 2 cannot be populated if slot 1 is
not populated.
Description Spare part number
2-GB (PC3-12800, 1600-MHz, DDR3) 652972-001
4-GB (PC3-12800, 1600-MHz, DDR3) 641369-001
8-GB (PC3-10600, 1333-MHz, DDR3) 634091-001
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 47).
Remove the expansion memory module:
1. Position the computer upside-down, with the front toward you.
2. Loosen the two Phillips PM2.0×5.0 captive screws (1) that secure the memory module
compartment cover to the computer.
60 Chapter 4 Removal and replacement procedures
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General
Weight and Dimensions
