Dell PowerEdge 2850 - Manual (Page 51)

Table 6-4. Allowable Memory Module Configurations – Single-Ranked and Dual-Ranked Memory Modules
Installing Memory Modules
1. Open the system. See " Opening the System " in Troubleshooting Your System."
2. Lift up the memory module shroud.
3. Locate the memory module sockets. See Figure A -3 .
4. Press the ejectors on the memory module socket down and out, as shown in Figure 6 -5 , to allow the memory module to be inserted into the socket.
Figure 6-5. Installing and Removing a Memory Module
5. Align the memory module's edge connector with the alignment key of the memory module socket, and insert the memory module in the socket.
Total Memory DIMM_1A DIMM_1B DIMM_2A DIMM_2B DIMM_3A DIMM_3B
256 MB 256 MB none none none none none
1 GB 256 MB 256 MB 256 MB 256 MB none none
1 GB 512 MB 512 MB none none none none
2 GB 512 MB 512 MB 512 MB 512 MB none none
2 GB 1 GB 1 GB none none none none
3 GB 1 GB 1 GB 512 MB 512 MB none none
3 GB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB
4 GB 1 GB 1 GB 1 GB 1 GB none none
4 GB 1 GB 1 GB 512 MB 512 MB 512 MB 512 MB
6 GB 2 GB 2 GB 1 GB 1 GB none none
6 GB 1 GB 1 GB 1 GB 1 GB 1 GB 1 GB
8 GB 2 GB 2 GB 2 GB 2 GB none none
8 GB 4 GB 4 GB none none none none
12 GB 2 GB 2 GB 2 GB 2 GB 2 GB 2 GB
16 GB 4 GB 4 GB 4 GB 4 GB none none
DIMM1_A DIMM1_B DIMM2_A DIMM2_B DIMM3_A DIMM3_B
Single Rank none none none none none
Single Rank Single Rank none none none none
Dual Rank Dual Rank none none none none
Single Rank Single Rank Single Rank Single Rank none none
Dual Rank Dual Rank Dual Rank Dual Rank none none
Dual Rank Dual Rank Single Rank Single Rank none none
Single Rank Single Rank Single Rank Single Rank Single Rank Single Rank
Dual Rank Dual Rank Single Rank Single Rank Single Rank Single Rank
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See
your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.