Chapter 1: Product introduction
2-4
2.2
Upgrading system memory
The motherboard comes with twelve (12) Double Data Rate 3 (DDR3) Dual Inline
Memory Modules (DIMM) slots.
DIMM slots
for CPU1
C1
B1 B2
C2
A1 A2
DIMM slots
for CPU2
D2 D1
E2
F1
F2
E1
Recommended memory configurations for single CPU
CPU1
CPU2
DIMM_C1 DIMM_C2 DIMM_B1 DIMM_B2 DIMM_A1 DIMM_A2 DIMM_D1 DIMM_D2 DIMM_E1 DIMM_E2 DIMM_F1 DIMM_F2
1 DIMM
V
2 DIMMs
V
V
3 DIMMs
V
V
V
4 DIMMs
V*
V*
V*
V*
5 DIMMs
V*
V*
V*
V*
V*
6 DIMMs
V*
V*
V*
V*
V*
V*
1 DIMM
V
2 DIMMs
V
V
3 DIMMs
V
V
V
4 DIMMs
V*
V*
V*
V*
5 DIMMs
V*
V*
V*
V*
V*
6 DIMMs
V*
V*
V*
V*
V*
V*
Recommended memory configurations for dual CPUs
CPU1
CPU2
DIMM_C1 DIMM_C2 DIMM_B1 DIMM_B2 DIMM_A1 DIMM_A2 DIMM_D1 DIMM_D2 DIMM_E1 DIMM_E2 DIMM_F1 DIMM_F2
1 DIMM
V
2 DIMMs
V
V
3 DIMMs
V
V
V
4 DIMMs
V
V
V
V
5 DIMMs
V
V
V
V
V
6 DIMMs
V
V
V
V
V
V
7 DIMMs
V*
V*
V*
V*
V*
V*
V*
8 DIMMs
V*
V*
V*
V*
V*
V*
V*
V*
9 DIMMs
V*
V*
V*
V*
V*
V*
V*
V*
V*
10 DIMMs
V*
V*
V*
V*
V*
V*
V*
V*
V*
V*
11 DIMMs
V*
V*
V*
V*
V*
V*
V*
V*
V*
V*
V*
12 DIMMs
V*
V*
V*
V*
V*
V*
V*
V*
V*
V*
V*
V*
* The frequency of DDR3-1333 DIMMs will run at 1066MHz when four or more DIMMs are installed.
