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The system will operate in single channel mode if the SODIMM sockets are populated in one channel
only.
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The system will operate in ex mode if the memory capacity of the SODIMM in Channel A is not equal to
the memory capacity of the SODIMM in Channel B. In ex mode, the channel populated with the least
amount of memory describes the total amount of memory assigned to dual channel and the remainder
is assigned to single channel. If one channel will have more memory than the other, the larger amount
should be assigned to channel A.
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The system will operate in a higher-performing dual channel mode if the memory capacity of the
SODIMM in Channel A is equal to the memory capacity of the SODIMM in Channel B.
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In any mode, the maximum operational speed is determined by the slowest SODIMM in the system.
To remove a memory module:
1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 31).
2. Remove the rear port cover (see Rear port cover on page 31).
3. Remove the stand (see Attaching and removing a stand on page 32).
4. Remove the access panel (see Access panel on page 37).
5. Remove the system board shield (see System board (EMI) shield on page 48).
6. To remove a memory module, press outward on the two latches on each side of the SODIMM (1), then
pull the SODIMM out of the socket (2).
50 Chapter 4 Removal and Replacement Procedures
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