Gigabyte GA-8I945GMF Manual - Page 45
CPU Clock Ratio, System Memory Multiplier, Memory Frequency Mhz - processor support
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English 2-7 Frequency/Voltage Control CMOS Setup Utility-Copyright (C) 1984-2005 Award Software Frequency/Voltage Control CPU Clock Ratio System Memory Multiplier Memory Frequency (Mhz) [16X] [Auto] 533 Item Help Menu Level` KLJI: Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Save Default ESC: Exit F1: General Help F7: Optimized Defaults Incorrect using these features may cause your system broken. For power end-user use only. CPU Clock Ratio (Note) This setup option will automatically assign by CPU detection. The option will display "Locked" and read only if the CPU ratio is not changeable. System Memory Multiplier Wrong frequency may make system can't boot, clear CMOS to overcome wrong frequency issue. for FSB(Front Side Bus) frequency=533MHz, 3 Memory Frequency = Host clock X 3. 4 Memory Frequency = Host clock X 4. Auto Set Memory frequency by DRAM SPD data. (Default value) for FSB(Front Side Bus) frequency=800MHz, 2.0 Memory Frequency = Host clock X 2.0. 2.66 Memory Frequency = Host clock X 2.66. 3.33 Memory Frequency = Host clock X 3.33. Auto Set Memory frequency by DRAM SPD data. (Default value) for FSB(Front Side Bus) frequency=1066MHz, 1.5 Memory Frequency = Host clock X 1.5. 2.0 Memory Frequency = Host clock X 2.0. 2.5 Memory Frequency = Host clock X 2.5. Auto Set Memory frequency by DRAM SPD data. (Default value) Memory Frequency (Mhz) The values depend on "System Memory Multiplier" item. (Note) This item will show up when you install a processor which supports this function. - 45 - BIOS Setup