SOYO SY-P4I845PE user manual System Performance, Setting Description

BIOS Setup Utility SY-P4I845PE

The [SOYO COMBO Feature] menu combines the main parameters that you need to configure, all in one menu, for a quick setup in BIOS.

3-1.1 System Performance

Setting Description Note

System Performance

CPU Clock

Normal	Adjust your system’s memory timing.	Default
Fast
Turbo
Auto	Set the field to “Manual” to overclock the	Default
Manual	CPU frequency by 1MHz stepping.

Frequency 1MHz Stepping

DRAM: CPU Ratio

DRAM Frequency

CPU Clock Ratio

100MHz ~	Press “Page Up” / “Page Down” key to Over Clock
255MHz	the CPU Front Side bus in 1MHz increment or Press
	“Enter” key, then type the desire CPU Front Side Bus.
x 1	This item allow you to control the
x 1.25	DRAM frequency.
x 1.33
Auto		Default
Only show DRAM frequency.
8X~ 50X	The available CPU ratio you can select will depends
	on your CPU ID.

AGP/PCI	66/33 MHz fix	Fixed the AGP/PCI clock to 66/33	Default
Clock Setting		regardless of CPU frequency.
	Auto	Follows the current CPU FSB.
	Manual	Choose one of the Pre-Define settings
		for AGP/PCI clock on the “AGP/PCI
		table” option below.

AGP/PCI Clock Table

67/33 MHz	Choose one of the Pre-Defined	Default
68/34 MHz	settings for AGP/PCI clock option.

70/35 MHz

72/36 MHz

74/37 MHz

76/38 MHz

78/39 MHz

80/40 MHz

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