Asus P5E WS PROFESSIONAL User Manual - Page 89

The following item appears only when you set the Ai Overclock Tuner item to [Manual], [N.O.S.] and [X.M.P.]. PCIE Frequency [Auto] Allows you to set the PCI Express frequency. Use the and keys to adjust the PCIE frequency. The values range from 100 to 150. 4.4.4 DRAM Frequency [Auto] Allows you to set the DDR2 operating frequency. Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-835MHz] [DDR2-1002MHz] [DDR2-1066MHz] [DDR2-1111MHz] [DDR2-1333MHz] The DRAM Frequency configuration options vary with the FSB Frequency settings. Selecting a very high DRAM frequency may cause the system to become unstable! If this happens, revert to the default setting. 4.4.5 DRAM Command Rate [Auto] Configuration options: [Auto] [1T] [2T] 4.4.6 DRAM Timing Control [Auto] Configuration options: [Auto] [Manual] • The following sub-items on the next page apprear only when you set the DRAM Timing Control item to [Manual]. • The configuration options for some of the following items vary depending on the DIMMs you install on the motherboard. CAS# Latency [ 5 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks] [5 DRAM Clocks] [6 DRAM Clocks] [7 DRAM Clocks] RAS# to CAS# Delay [ 5 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks]~[17 DRAM Clocks] [18 DRAM Clocks] RAS# Precharge [ 5 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks]~[17 DRAM Clocks] [18 DRAM Clocks] RAS# Active Time [15 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks]~[33 DRAM Clocks] [34 DRAM Clocks] ASUS P5E WS Professional 4-19