Asus P5W64 WS Professional P5W64 WS Professional English Edition User's Manual - Page 102

4.4.5 Chipset The Chipset menu allows you to change the advanced chipset settings. Select an item then press to display the sub-menu. Advanced Chipset Settings Configure DRAM Timing by SPD DRAM ECC Mode Hyper Path 3 DRAM Throttling Threshold Boot Graphic Adapter Priority [Enabled] [Disabled] [Auto] [Auto] [PCI Express/PCI] PEG Buffer Length Link Latency PEG Root Control PEG Link Mode Slot Power High Priority Port Select [Auto] [Auto] [Auto] [Auto] [Auto] [Disabled] Enable or Disable Configure DRAM Timing by SPD Configure DRAM Timing by SPD [Enabled] When this item is enabled, the DRAM timing parameters are set according to the DRAM SPD (Serial Presence Detect). When disabled, you can manually set the DRAM timing parameters through the DRAM sub-items. The following sub-items appear when this item is Disabled. Configuration options: [Disabled] [Enabled] DRAM CAS# Latency [5 Clocks] Controls the latency between the SDRAM read command and the time the data actually becomes available. Configuration options: [6 Clocks] [5 Clocks] [4 Clocks] [3 Clocks] DRAM RAS# Precharge [4 Clocks] Controls the idle clocks after issuing a precharge command to the DDR SDRAM. Configuration options: [2 Clocks] ~ [6 Clocks] DRAM RAS# to CAS# Delay [4 Clocks] Controls the latency between the DDR SDRAM active command and the read/write command. Configuration options: [2 Clocks] ~ [6 Clocks] DRAM RAS# Activate to Precharge Delay [15 Clocks] Configuration options: [4 Clocks] ~ [18 Clocks] DRAM Write Recovery Time [4 Clocks] Configuration options: [2 Clocks] ~ [6 Clocks] Read Delay [Auto] Configuration options: [Auto] [2T] [3T]~[13T] 4-28 Chapter 4: BIOS setup