ROCKY-4786EV/EVG User Manual
Page 112
BIOS Menu 16: Frequency/Voltage Control
The following system parameters are controlled by the Frequency/Voltage Control menu
(
BIOS Menu 16).
Auto Detect DIMM/PCI CLk [Enabled]
The Auto Detect DIMM/PCI CLk option allows BIOS to monitor power consumption to the
AGP, PCI and SDRAM DIMM slots and reduce EMI (Electromagnetic Interference) by
turning them off when unoccupied or inactive.
Enabled
(D
EFAULT) Bios will monitor and turn off any unoccupied or inactive
AGP, PCI and SDRAM DIMM slots
Disabled
BIOS will not monitor AGP, PCI and SDRAM DIMM slots
Spread Spectrum [Disabled]
The Spread Spectrum option is used to reduce EMI (Electromagnetic Interference)
generated by the system clock. This option is disabled by default so that EMI can be
controlled by the Auto Detect DIMM/PCI CLk option.
Enabled
Monitors system clocking to reduce EMI
(Electromagnetic Interference)
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