Dell POWEREDGE 1855 User Manual download pdf (Page 59)

Table 6-2. Allowable Memory Module Configurations – Single-Ranked and Dual-Ranked Memory Modules



Installing Memory Modules



1. Remove the server module. See "Removing a Server Module."



2. Open the server module. See "Opening the Server Module."



3. Locate the memory module sockets. See FigureA-3 in "Server Module Board Connectors."



4. Press the ejectors on the memory module socket down and out, as shown in Figure6-16, to allow the memory module to be inserted into the socket.

Figure 6-16. Installing and Removing a Memory Module



5. Align the memory module's edge connector with the alignment key on the memory module socket, and insert the memory module in the socket.



6. 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.



7. Repeat step 3 through step 6 of this procedure to install the remaining memory modules. See Table6-1 and Table6-2 for sample memory

configurations.



8. Close the server module. See "Closing the Server Module."



9. Install the server module. See "Installing a Server Module."



10. (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.

8 GB

2 GB

1 GB

8 GB

4 GB

none

12 GB

2 GB

16 GB

4 GB

none



DIMM1_A



DIMM1_B



DIMM2_A



DIMM2_B



DIMM3_A



DIMM3_B

Single Rank

none

Dual Rank

none

Single Rank

none

Dual Rank

none

Dual Rank

Single Rank

none

Single Rank

Dual Rank

Single Rank

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as

authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not

authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

NOTE: The memory module socket has an alignment key that allows you to install the memory module in the socket in only one way.

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