User Manual

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4-16
Disabling SIO Logical Devices may have unwanted side effects. PROCEED WITH
CAUTION.
The following item appears only when Use This Device is set to [Enabled].
Possible: [Use Automatic Settings]
Allows the user to change the device resource settings. New settings will
be reflected no this setup page after system restarts.
Configuration options: [Use Automatic Settings] [IO=3F8h; IRQ=4; DMA;]
[IO=3F8h; IRQ=3, 4, 5, 7, 9, 10, 11, 12; DMA;] [IO=2F8h; IRQ=3, 4, 5, 7, 9,
10, 11, 12; DMA;] [IO=3E8h; IRQ=3, 4, 5, 7, 9, 10, 11, 12; DMA;] [IO=2E8h;
IRQ=3, 4, 5, 7, 9, 10, 11, 12; DMA;]
4.5.8 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 enable or disable BME DMA mitigation. Re-enable Bus Mater Atttribute
disabled during PCI enumeration for PCI bridges after SMM locked.
Configuration options: [Disabled] [Enabled]