User guide

Chapter 2: Hardware setup2-6
2.2 System memory
2.2.1 Overview
The motherboard comes with twelve (12) Double Data Rate 3 (DDR3) Dual Inline
Memory Modules (DIMM) sockets.
The gure illustrates the location of the DDR3 DIMM sockets:
RecommendedCPU1memoryconguration
Mode
Sockets
DIMM_A2 DIMM_A1 DIMM_B2 DIMM_B1 DIMM_C2 DIMM_C1
2 DIMMs
- Populated - Populated - -
3 DIMMs
- Populated - Populated - Populated
4 DIMMs
Populated Populated - Populated - Populated
6 DIMMs
Populated Populated Populated Populated Populated Populated
Due to Intel CPU spec denition, the system will not boot if only one DIMM is
installed in DIMM slot A2, B2, or C2 for CPU1, or D2, E2 or F2 for CPU2. Follow
the table above for recommended memory conguration.
1
2
3
4
5
6
12
11
10
9
8
7
1
2
3
4
5
6
DIMM_A2
DIMM_A1
DIMM_B2
DIMM_B1
DIMM_C2
DIMM_C1
7
8
9
10
11
12
DIMM_D2
DIMM_D1
DIMM_E2
DIMM_E1
DIMM_F2
DIMM_F1
RecommendedCPU2memoryconguration
Mode
Sockets
DIMM_D2 DIMM_D1 DIMM_E2 DIMM_E1 DIMM_F2 DIMM_F1
2 DIMMs
- Populated - Populated - -
3 DIMMs
- Populated - Populated - Populated
4 DIMMs
Populated Populated - Populated - Populated
6 DIMMs
Populated Populated Populated Populated Populated Populated
2.2.2 Memorycongurations
You may install 1 GB, 2 GB, 4 GB and 8GB registered DIMMs or Unbuffered DIMM
with ECC into the DIMM sockets.