Asus PRIME Z590-P WIFI Intel 500 series Channel BIOS UM English - Page 37

PCI Subsystem Settings, Above 4G Decoding, SR-IOV Support

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7.8 PCI Subsystem Settings The items in this menu allow you to set PCI, PCI-X, and PCI Express settings. Above 4G Decoding Allows you to enable or disable 64-bit capable devices to be decoded in Above 4G Address Space. This requires that the system supports 64-bit PCI Decoding. Configuration options: [Enabled] [Disabled] • Above 4G Decoding can only be enabled under 64-bit operating system. • The following item appears only when you set Above 4G Decoding to [Enabled]. Re-Size BAR Support Allows you to enable or disable Resizable BAR Support. This requires that the system has Resizable BAR capable PCIe devices and the system supports 64-bit PCI Decoding. Configuration options: [Disabled] [Auto] To enable Re-Size BAR Support for harnessing full GPU memory, please go to the Boot menu to disable CSM (Compatibility Support Module). SR-IOV Support Allows you to enable or disable Single Root IO Virtualization Support. This requires that the system has SR-IOV capable PCIe devices. Configuration options: [Disabled] [Enabled] PRIME / TUF GAMING Intel® 500 Series BIOS Manual 37

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PRIME / TUF GAMING Intel
®
500 Series BIOS Manual
37
7.8
PCI Subsystem Settings
The items in this menu allow you to set PCI, PCI-X, and PCI Express settings.
Above 4G Decoding
Allows you to enable or disable 64-bit capable devices to be decoded in Above 4G Address
Space. This requires that the system supports 64-bit PCI Decoding.
Configuration options: [Enabled] [Disabled]
•
Above 4G Decoding
can only be enabled under 64-bit operating system.
•
The following item appears only when you set
Above 4G Decoding
to
[Enabled]
.
Re-Size BAR Support
Allows you to enable or disable Resizable BAR Support. This requires that the
system has Resizable BAR capable PCIe devices and the system supports 64-bit PCI
Decoding. Configuration options: [Disabled] [Auto]
To enable
Re-Size BAR Support
for harnessing full GPU memory, please go to the
Boot
menu to disable
CSM (Compatibility Support Module)
.
SR-IOV Support
Allows you to enable or disable Single Root IO Virtualization Support. This requires that the
system has SR-IOV capable PCIe devices. Configuration options: [Disabled] [Enabled]