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PX865PEL-800
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Example:
This example shows you how to overclock the CPU Internal Clock, DDR frequency
and FSB frequency for an Intel based mainboard. Note that the options that are
supplied with your version of the BIOS may vary slightly. The example is for reference
only.
Given:
Mainboard: Intel based mainboard
CPU: Pentium 4 (1.73 GHz, Fixed CPU Ratio = 13)
DDR: DDR333 SDRAM
CPU Speed = CPU Host Frequency * CPU Clock Ratio
FSB = CPU Host Frequency * 4
DDR Speed = CPU Host Frequency * DDR:CPU Ratio
AGP/PCI/SRC Speed Setting sets to “66.68, 33.34, 100.02”
Before Overclocking:
CPU Ratio (Fixed) = 13
CPU Host Frequency = 133
DDR:CPU Ratio = 2.5
AGP/PCI/SRC Speed Setting show = 66.68 MHz/ 33.34 MHz/ 100.02 MHz
CPU Speed = 133 * 13 = 1729 MHz
FSB = 133 * 4 = 532 MHz
DDR Speeds = 133 * 2.5 = 333 (DDR333)
After Overclocking:
CPU Ratio (fixed) = 13
CPU Host Frequency = 150
DDR:CPU Ratio = 2.66
AGP/PCI/SRC Speed Setting = 66.68 MHz/ 33.34 MHz/ 100.02 MHz
CPU Speed = 150 * 13 = 1950 MHz
FSB = 150 * 4 = 600 MHz
DDR Speeds = 150 * 2.66 = 400 (DDR400)