Asus P4P8X SE P4P8X SE user's manual English version E1479 - Page 56

2.4.3 Chipset The Chipset menu items allow you to change the advanced chipset settings. Select an item then press Enter to display the sub-menu. Advanced Chipset settings WARNING: Setting wrong values in the sections below may cause system to malfunction. Configure DRAM Timing by SPD Memory Acceleration Mode DRAM Idle Timer DRAm Refresh Rate [Enabled] [Auto] [Auto] [Auto] Graphic Adapter Priority Graphics Aperture Size Spread Spectrum [AGP/PCI] [ 64 MB] [Enabled] ICH Delayed Transaction [Enabled] MPS Revision [1.4] Select Screen Select Item +- Change Option F1 General Help F10 Save and Exit ESC Exit 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. Configuration options: [Disabled] [Enabled] Memory Acceleration Mode [Auto] This field when [Enabled] minimize latencies from CPU to memory to boost system performance. Configuration options: [Auto] [Enabled] Setting to [Enabled] may cause the system to become unstable! If this happens, revert to the default setting [Auto]. DRAM Idle Timer [Auto] Configuration options: [Infinite] [0T] [8T] [16T] [64T] [Auto] DRAM Refresh Mode [Auto] Configuration options: [Auto] [15.6 uSec] [7.8 uSec] [64 uSec] [64T] If the system becomes unstable after changing the settings of any of the above items, revert to the default settings. The following sub-items appear only when the item Configure DRAM Timing by SPD is set to Disabled. 2-18 Chapter 2: BIOS information