User Manual

Table Of Contents
4-16
Chapter 4: BIOS Setup
4.5.7 PCI Subsystem Settings
Allows you to configure PCI, PCI-X, and PCI Express Settings.
Above 4G Decoding [Enabled]
Allows you to enable or disable 64-bit capable devices to be decoded in above 4G address
space. It only works if the system supports 64-bit PCI decoding.
Configuration options: [Disabled] [Enabled]
Re-Size BAR Support [Disabled]
If system has Resizable BAR capable PCIe Devices, this option enables or disables
Resizable BAR Support. (Only if system supports 64-bit PCI Decoding).
Configuration options: [Disabled] [Enabled]
SR-IOV Support [Enabled]
Allows you to enable or disable Single Root IO Virtualization Support if the system has SR-
IOV capable PCIe devices.
Configuration options: [Disabled] [Enabled]
BME DMA Mitigation [Disabled]
Allows you to re-enable the Bus Master Attribute disabled during PCI enumeration for PCI
bridges after SMM lock.
Configuration options: [Disabled] [Enabled]