Table 6-2. Sample Memory Module Configurations; Performing A Memory Upgrade - Dell PowerEdge 2500 Installation And Troubleshooting Manual

Table 6-2 illustrates several sample memory configurations based on these guidelines.
Table 6-2. Sample Memory Module Configurations
Total Desired
Memory
DIMM_A DIMM_B
128 MB 64 MB 64 MB
256 MB 128 MB 128 MB
512 MB 256 MB 256 MB
512 MB 128 MB 128 MB
1 GB 256 MB 256 MB
1.5 GB 256 MB 256 MB
2 GB 512 MB 512 MB
3 GB 512 MB 512 MB
4 GB 1 GB 1 GB

Performing a Memory Upgrade

WARNING: Before you perform this procedure, you must turn off the system and disconnect it from its power source. For more information, see
"Safety First— For You and Your
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information document.
1. Open the front bezel (see "Removing the Front
2. Remove the system cover.
3. Remove the cooling shroud (see
4. Locate the memory module sockets in which you will install or replace memory module pairs.
5. Install or replace the memory module pairs as necessary to reach the desired memory total (see
Modules").
6. Install the cooling shroud (see
7. Replace the system cover, reconnect the system to the electrical outlet, and turn on system. After the system completes the POST routine, it runs a memory test.
The system detects that the new memory does not match the system configuration information, which is stored in NVRAM. The monitor displays an error
message that ends with the following words:
DIMM_C DIMM_D DIMM_E
None None None
None None None
None None None
128 MB 128 MB None
256 MB 256 MB None
256 MB 256 MB 256 MB
512 MB 512 MB None
512 MB 512 MB 512 MB
1 GB 1 GB None
System" in "Troubleshooting Your System."
Bezel" in "Troubleshooting Your System").
"Removing the Cooling Shroud").
"Installing the Cooling Shroud").
DIMM_F
None
None
None
None
None
256 MB
None
512 MB
None
Figure 6-9 shows the order of the memory module sockets.
"Installing Memory Modules" or "Removing Memory