Asus Maximus Formula - Manual (Page 90)

4-18 Chapter 4: BIOS setup
FSB Strap to North Bridge [Auto]
Configuration options: [Auto] [200MHz] [266MHz] [333MHz] [400MHz]
PCIE Frequency [XXX]
Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust
the PCIE frequency. You can also type the desired value using the numeric
keypad. The values range from 100 to 180.
DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency.
Configuration options: [Auto] [DDR2-533MHz] [DDR2-639MHz] [DDR2-667MHz]
[DDR2-709MHz] [DDR2-800 MHz] [DDR2-852MHz] [DDR2-887MHz]
[DDR2-1066MHz] [DDR2-*1200MHz*]
The DDR2 frequency reaches 1200 MHz after overclocking.
A very high DRAM frequency may cause the system to become unstable! If this
happens, revert to the default setting.
The configuration options may vary depending on the CPU level you select.
DRAM Command Rate [Auto]
Configuration options: [Auto] [1T] [2T]
DRAM Timing Control [Auto]
Configuration options: [Auto] [ Manual ]
The following items appear when you set the DRAM Timing Control item to
[Manual].
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]
FSB/CPU External Frequency Synchronization
Front Side Bus CPU External Frequency
FSB 1600 400 MHz
FSB 1333 333 MHz
FSB 1066 266 MHz
FSB 800 200 MHz