2-8
Chapter 2: Basic installation
2.5
Installing a DIMM
The system motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline
Memory Module (DIMM) sockets.
The following figure illustrates the location of the sockets:
Channel
Sockets
Channel A
DIMM_A1 and DIMM A2
Channel B
DIMM_B1 and DIMM B2
R
240-pin DDR2 DIMM Sockets
DIMM_B1
DIMM_A2
DIMM_B2
DIMM_A1
128 Pins
11
2 Pins
2.5.1
Memory configurations
You may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered ECC and non-ECC
DDR2 DIMMs into the DIMM sockets.
Recommended Memory Configurations
Mode
Sockets
DIMM_A1
DIMM_B1
DIMM_A2
DIMM_B2
Single-Channel
–
Populated
–
–
Populated
–
–
–
Dual-channel (1)
Populated
Populated
–
–
Dual-channel (2)
Populated
Populated
Populated
Populated