Dell PowerVault DP100 - Manual (Page 53)

2. Remove the battery and battery holder from the system chassis. See Figure 3 -20 .
3. Insert the new battery into the battery bay, ensuring that the battery is aligned and fully seated into the slots.
4. Connect the battery cable to the SAS controller card.
Memory
You can upgrade your system memory to a maximum of 8 GB by installing combinations of 512-MB, 1-GB, and 2-GB unbuffered ECC DDRII SDRAM 533-MHz or
667-MHz memory modules. The system memory is located on the system board adjacent to the power supply connectors. See
System Board Connectors . The
memory module sockets are arranged in two banks on two channels (A and B). The memory module banks are identified as follows:
l Bank 1: DIMM1_A and DIMM1_B
l Bank 2: DIMM2_A and DIMM2_B
General Memory Module Installation Guidelines
l If only one memory module is installed, it must be installed in socket DIMM1_A.
l If two or more memory modules are installed, they must be installed in pairs of matched memory size, speed, and technology.
Table 3 -2 shows examples of different memory configurations.
Table 3-2. Sample Memory Configurations
1 chassis notches 2 battery/battery holder
Total Memory DIMM1_A DIMM2_A DIMM1_B DIMM2_B
512 MB 512 MB None None None
1 GB 512 MB None 512 MB None
1 GB 1 GB None None None
2 GB 512 MB 512 MB 512 MB 512 MB
2 GB 1 GB None 1 GB None
3 GB 1 GB 512 MB 1 GB 512 MB
4 GB 1 GB 1 GB 1 GB 1 GB
4 GB 2 GB None 2 GB None
5 GB 2 GB 512 MB 2 GB 512 MB
6 GB 2 GB 1 GB 2 GB 1 GB
8 GB 2 GB 2 GB 2 GB 2 GB