Iei-integration IMBA-C604EN Manual do Utilizador Página 114

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IMBA-C604EN ATX Motherboard
Page 99
DRAM PAPL
MODE0
Configures DRAM PAPL mode as DRAM PAPL MODE0.
DRAM PAPL
MODE1
DEFAULT
Configures DRAM PAPL mode as DRAM PAPL MODE1.
5.4.2 South Bridge
Use the South Bridge menu (BIOS Menu 20) to configure the Southbridge chipset.
Aptio Setup Utility Copyright (C) 2011 American Megatrends, Inc.
Chipset
PCH Information
Name Patsburg
Stepping 06 (C1) Stepping
Auto Power Button Status [ON]
Spread Spectrum [Disabled]
Deep Sx [Disabled]
Onboard SAS Oprom [Disabled]
Azalia HD Audio [Enabled]
Spread spectrum function
item
---------------------

: Select Screen
: Select Item
Enter Select
+ - Change Opt.
F1 General Help
F2 Previous Values
F3 Optimized Defaults
F4 Save & Exit
ESC Exit
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
BIOS Menu 20: Southbridge Chipset Configuration
Spread Spectrum [Disabled]
Use the Spread Spectrum BIOS option to reduce the EMI. Excess EMI is generated
when the system clock generator pulses have extreme values. Spreading the pulse
spectrum modulates changes in the extreme values from spikes to flat curves, thus
reducing the EMI. This benefit may in some cases be outweighed by problems with
timing-critical devices, such as a clock-sensitive SCSI device.
Disabled DEFAULT
EMI not reduced.
Enabled
EMI reduced.
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