Asus P4P8X - Manual (Page 58)

2-18 Chapter 2: BIOS information
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.
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
Advanced Chipset settings
WARNING: Setting wrong values in the sections below
may cause system to malfunction.
Configure DRAM Timing by SPD [Enabled]
Memory Acceleration Mode
[Auto]
DRAM Idle Timer [Auto]
DRAm Refresh Rate [Auto]
Graphic Adapter Priority [AGP/PCI]
Graphics Aperture Size [ 64 MB]
Spread Spectrum [Enabled]
ICH Delayed Transaction [Enabled]
MPS Revision [1.4]
The following sub-items appear only when the item Configure DRAM Timing
by SPD is set to Disabled.
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]
If the system becomes unstable after changing the settings of any of the above
items, revert to the default settings.
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]
Setting to [Enabled] may cause the system to become unstable! If this
happens, revert to the default setting [Auto].