Asus P4S800D - Manual (Page 54)

2-18 Chapter 2: BIOS information
Advanced HyperStreaming Engine [Disabled]
Allows your to enable or disable the advanced hyperstreaming engine.
Configuration options: [Disabled] [Enabled]
Performance Mode [Auto]
Allows boost in system performance.
Configuration options: [Safe] [Normal] [Aggressive] [Auto]
DRAM Timing [Auto]
Allows you to set the DRAM Timing.
Configuration options: [Slow] [Normal] [Fast] [Fast+] [Auto]
128 Bit Access Mode [Auto]
Allows you to set the 128 Bit Access mode.
Configuration options: [Auto] [64*2] [128*1]
Ch0 MA 1T/2T Select [Auto]
Allows you to set the Channel 0 MA 1T or 2T setting.
Configuration options: [Auto] [MA 2T] [MA 1T]
Ch1 MA 1T/2T Select [Auto]
Allows you to set the Channel 1 MA 1T or 2T setting.
Configuration options: [Auto] [MA 2T] [MA 1T]
DRAM CAS# Latency [By SPD]
This item controls the latency between the SDRAM read command and the
time the data actually becomes available.
Configuration options: [By SPD] [2T] [2.5T] [3T]
DRAM Precharge Delay [Auto]
Configuration options: [Auto] [6T] [7T] [5T] [4T] [8T] [9T]
DRAM RAS# to CAS# Delay [Auto]
This item controls the latency between the DDR SDRAM active command and
the read/write command.
Configuration options: [Auto] [3T] [2T] [4T] [5T]
DRAM RAS# Precharge [Auto]
This item controls the idle clocks after issuing a precharge command to the
DDR SDRAM. Configuration options: [Auto] [3T] [2T] [4T] [5T]
If the system becomes unstable after changing the settings of any of the above
items, revert to the default settings.