ASRock P4i45D R3.0 User Manual - Page 20

Appendix: Advanced BIOS Setup This section will introduce you the following BIOS Setup menus: "Advanced," "Security," "Power," "Boot," and "Exit." 1. Advanced BIOS Setup Menu Main Advanced AMIBIOS SETUP UTILITY - VERSION 3.31a Security Power Boot Exit Spread Spectrum CPU Host Frequency Actual Frequency CPU Ratio Selection SDRAM Frequency Hyper Threading Technology Disabled Auto 100MHz Locked 133MHz < DDR266 > Auto [ Setup Help ] to enable or disable the feature of spread spectrum. Chipset Configuration Resource Configuration Peripheral Configuration System Hardware Monitor F1:Help Esc:Exit :Select Item :Select Menu +/-:Change Values Enter:Select Sub-Menu F9:Setup Defaults F10:Save & Exit Spread Spectrum: This field should always be [Disabled] for better system stability. CPU Host Frequency: This shows current CPU host frequency of the installed motherboard. CPU Ratio Selection: CPU Ratio is the multiple that times the frontside bus frequency will equal the core speed of the installed processor. Whether the option is open or locked is determined by the installed processor. SDRAM Frequency: If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assigns appropriate frequency automatically. You can also select other value as operating frequency: [200MHz], [266MHz]. Hyper Threading Technology: To enable this feature, it requires a computer system with an Intel Pentium®4 processor at 3.06 GHz or higher and an operating system that includes optimization for this technology, such as Microsoft® Windows® XP. Set to [Auto] if using Microsoft® Windows® XP, or Linux kernel version 2.4.18 or higher. 20