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l A bank must contain identical memory modules.

l Install the memory modules in bank 1 (DIMM1_x)beforeinstallingmemorymodulesinbank2(DIMM2_x).

l Installing three memory modules is not supported.



Table 6-1. Sample Memory Module Configurations



Installing Memory Modules

1. Open the system. See "Opening the System" in Troubleshooting Your System."

2. Locate the memory module sockets. See Figure6-1.

3. Press the ejectors on the memory module socket down and out, as shown in Figure6-8, to allow the memory module to be inserted into the socket.

4. Align the memory module's edge connector with the alignment keys of the memory module socket, and insert the memory module in the socket.



5. Press down on the memory module with your thumbs while pulling up on the ejectors with your index fingers to lock the memory module into the

socket.



When the memory module is properly seated in the socket, the ejectors on the memory module socket align with the ejectors on the other sockets that

have memory modules installed.

6. Repeat step2 through step5 of this procedure to install the remaining memory modules. See Table6-1 for installing the total desired memory.

7. Close the system. See "Closing the System" in "Troubleshooting Your System."

8. (Optional) Press <F2> to enter the System Setup program, and check the System Memory setting on the main System Setup screen.



The system should have already changed the value to reflect the newly installed memory.

9. If the value is incorrect, one or more of the memory modules may not be installed properly. Repeat step1 through step8 of this procedure, checking to

ensure that the memory modules are firmly seated in their sockets.

10. Run the system memory test in the system diagnostics. See "Running the System Diagnostics."

Figure 6-8. Installing and Removing a Memory Module



Total Memory

DIMM1_A

DIMM2_A

DIMM1_B

DIMM2_B

256 MB

None

512 MB

256 MB

None

256 MB

None

1 GB

256 MB

1 GB

512 MB

None

512 MB

None

1.5 GB

512 MB

256 MB

512 MB

256 MB

2 GB

1 GB

None

1 GB

None

2 GB

512 MB

3 GB

1 GB

512 MB

1 GB

512 MB

4 GB

1 GB

NOTE: The memory module socket has two alignment keys that allow you to install the memory module in the socket in only one way.

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