Asus RS520-E6/RS8 - Manual (Page 25)

2-7 ASUS RS520-E6/RS8
2.3 System memory
2.3.1 Overview
The motherboard comes with twelve (12) Double Data Rate 3 (DDR3) Dual Inline
Memory Modules (DIMM) sockets.
The figure illustrates the location of the DDR3 DIMM sockets:
Recommended CPU1 memory configuration
Mode
Sockets
DIMM_C1 DIMM_C2 DIMM_B1 DIMM_B2 DIMM_A1 DIMM_A2
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 definition, 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 configuration.
Recommended CPU2 memory configuration
Mode
Sockets
DIMM_D1 DIMM_D2 DIMM_E1 DIMM_E2 DIMM_F1 DIMM_F2
2 DIMMs
Populated - Populated - - -
3 DIMMs
Populated - Populated - Populated -
4 DIMMs
Populated Populated Populated - Populated -
6 DIMMs
Populated Populated Populated Populated Populated Populated