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ASUS P5Q-EM 2-19
CPU Ratio Setting [Auto]
Allows you to adjust the ratio between CPU Core Clock and FSB Frequency. Use
the <+> and <-> keys to adjust the value. The values may vary depending on the
CPU installed. Conguration options: [Auto] [06.0] [07.0]–[XX.X]
The following two items appear only when you set the Ai Overclock Tuner item
to [Manual].
FSB Frequency [XXX]
Displays the frequency sent by the clock generator to the system bus and PCI bus.
The value of this item is auto-detected by the BIOS. Use the <+> and <-> keys to
adjust the frequency. You can also type the desired frequency using the numeric
keypad. The values range from 200 to 800. Refer to the table below for the correct
Front Side Bus and CPU External Frequency settings.
FSB/CPU External Frequency Synchronization
Front Side Bus FSB 1600 FSB 1333 FSB 1066 FSB 800
CPU External Frequency 400 MHz 333 MHz 266 MHz 200 MHz
PCIE Frequency [Auto]
Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust
the frequency or type the desired frequency using the numeric keypad. The valuesype the desired frequency using the numeric keypad. The values. The values
range from 100 to 180.
FSB Strap to North Bridge [Auto]
When set to [Auto], the FSB Strap will be adjusted automatically by FSB
Frequency and DRAM Frequency.
Congifuration options: [Auto] [200 MHz] [266 MHz] [333 MHz] [400 MHz]
DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency.
Conguration options: [Auto] [DDR2-667 MHz] [DDR2-800 MHz] [DDR2-1002MHz]
[DDR2-1111MHz]MHz]]
• Due to chipset behavior, to obtain memory frequency higher than DDR2
800, you can manually adjust DRAM Frequency.
• The following table shows the variation ofThe following table shows the variation of DRAM Frequency conguration
options according to FSB Frequency settings.
FSB
DRAM Frequency (MHz)
Auto 667 800 960 1002 1064 1111 1200
1600 • • • • •
1333 • • • • •
1066 • • • •
800 • • •