4. BIOS SETUP 4.4 Advanced Menu (scroll down to see more items, as shown here) CPU Core Speed/FSB Freq. [Manual] When the motherboard is set to JumperFree™ mode, this field allows you to select the CPU internal fre- quency and the Front Side Bus frequency. Select [Manual] if you want to make changes to the subse- quent 2 fields. Note that selecting a frequency higher than the CPU manufacturer recommends may cause the system to hang or crash. See System Hangup later in this section. Advanced Menu 4. BIOS SETUP Example of CPU Core Speed/ FSB Freq. CPU Core:Bus Freq. Multiple (when CPU Speed is set to [Manual]) This field is for unlocked processors only.
If your socket 370 processor’s Frequency Multiple is detected locked, you will not be able to access this field. This sets the frequency multiple between the CPU’s internal frequency (core speed) and external (bus) frequency. Set this in conjunction with CPU Bus Frequency (MHz) to match the speed of your CPU. Configuration options vary according to the external frequency of your CPU. CPU (FSB)/PCI Freq. Ratio (when CPU Speed is set to [Manual]) This field determines the frequency ratio between the Front Side Bus and the PCI bus. Configuration options: [2/1] [3/1] [4/1] ASUS CUA User’s Manual 58