1041/20/2012165P a g e 104IMBA-G410 ATX Mo th e rb o a rd5.7.2 S o u th Brid g e Ch ips e t Co n fig u ra tio nThe South Bridge Chipset Configuration menu (BIOS Menu 20) allows the southbridgechipset to be configured.BIOS SETUP UTILITYMain Advanced PCIPnP Boot Security Chipset ExitSouth Bridge Chipset ConfigurationAudio Controller [Auto]Spread Spectrum Function [Disabled]OptionsAutoDisabled Select Screen↑ ↓ Select Item+ - Change OptionF1 General HelpF10 Save and ExitESC Exitv02.61 ©Copyright 1985-2006, American Megatrends, Inc.BIOS Menu 20: South Bridge Chipset Configuration Au d io Co n tro lle r [Au to ]The Audio Controller option enables or disables the audio controller. Auto D EFAULT The on-board audio controller is detected andautomatically enabled. Disabled The on-board audio controller is disabled. Sp re a d Sp e c tru m Fu n c tio n [Dis a b le d ]Use the Spread Spectrum Function option to reduce the EMI. Excess EMI is generatedwhen the system clock generator pulses have extreme values. Spreading the pulsespectrum modulates changes in the extreme values from spikes to flat curves, thusreducing the EMI. This benefit may in some cases be outweighed by problems withtiming-critical devices, such as a clock-sensitive SCSI device. Disabled D EFAULT EMI not reduced Enabled EMI reduced
