Asus Z9PR-D12C User Guide - Page 34
System memory, 2.4.1 Overview, 2.4.2 Memory Configurations
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2.4 System memory 2.4.1 Overview The motherboard comes with eight (for CPU1) and four (for CPU2) Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for better performance with less power consumption. 2.4.2 Memory Configurations You may install 1GB, 2GB, 4GB, 8GB, 16GB and 32GB* RDIMMs or 1GB, 2GB, 4GB and 8GB* UDIMMs or 8GB, 16GB and 32GB* LR-DIMMs into the DIMM sockets using the memory configurations in this section. 1 CPU Configuration (must on CPU1) A1 A2 B1 B2 C1 C2 D1 D2 1 DIMMs • 2 DIMMs • • 3 DIMMs • • • 4 DIMMs • • • • 5 DIMMs • • • • • 6 DIMMs • • • • • • 7 DIMMs • • • • • • • 8 DIMMs • • • • • • • • • *Refer to ASUS Server AVL for the latest update. • Start installing the DIMMs from slot A1 and C1 (light blue). • Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. 2-14 Chapter 2: Hardware information