VB7009 User Manual
71
6.24.
Frequency/Voltage Control
Frequency/Voltage Control
Current DRAM Frequency
DRAM Clock
Current FSB Frequency
100 MHz
Spread Spectrum
533 MHz
[By SPD]
[+/-0.1%]
Phoenix - AwardBIOS CMOS Setup Utility
Item Help
Menu Level
ESC: Exit
F5: Previous Values
: Move
F10: Save
Enter: Select
+/-/PU/PD: Value
F1: General Help
F7: Optimized Defaults
Figure 67: Illustration of the Frequency/Voltage Control screen
6.24.1
DRAM Clock
This chipset supports synchronous and asynchronous mode between host clock and DRAM clock
frequency.
Settings: [By SPD, 400 MHz, 533 MHz]
6.24.2
Spread Spectrum
When the mainboard’s clock generator pulses, the extreme values (spikes) of the pulses create EMI
(Electromagnetic Interference). The Spread Spectrum function reduces the EMI generated by modulating
the pulses so that the spikes of the pulses are reduced to flatter curves.
Settings: [Disabled, +/- 0.1%, +/- 0.2%, +/- 0.3%, +/- 0.4%, +/- 0.5%, +/- 0.6%, +/- 0.7%, +/- 0.8%, +/-
0.9%]
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