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Chapter 4: BIOS
Stop Bits EMS
A stop bit indicates the end of a serial data packet. Select 1 Stop Bit for standard serial
data communication. Select 2 Stop Bits if slower devices are used. The options are 1 and 2.
SATA Conguration
This menu provides SATA conguration settings and information.
SATA Conguration
SATA Mode
The options are AHCI Mode and RAID Mode.
PCIe/PCI/PnP Conguration
This menu provides PCIe/PCI/PnP conguration settings and information.
PCI Bus Driver Version
PCI Devices Common Settings:
Above 4G Decoding
This setting Disables or Enables 64-bit capable devices ability to be decoded in above 4G
address space (only if the system supports 64-bit PCI decoding). The options are Disabled
and Enabled.
Re-Size BAR Support
If system has resizable BAR capable PCIe devices, use the options Disabled or Enabled
resizable BAR support.
SR-IOV Support
If the system has SR-IOV capable PCIe devices, this setting will Disable or Enable the Single
Root IO Virtualization Support for the system.
BME DMA Mitigation
Re-enable Bus Master Attribute disabled during PCI enumeration for PCI Bridges after SMM
Locked. The options are Disabled and Enabled.
ASPM Support
Use thes setting to set the ASPM level. The options are Disabled, Auto and Force L0s.
Relaxed Ordering
Select Enable to enable Relaxed Ordering support, which will allow certain transactions to
violate the strict-ordering rules of PCI bus for a transaction to be completed prior to other
transactions that have already been enqueued. The options are Disabled and Enabled.
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