Asus ROG STRIX B760 Series - UEFI Variables Protection; PCI Subsystem Settings

ROG STRIX B760 Series BIOS Manual
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7.8 UEFI Variables Protection
Password protection of Runtime Variables
Allows you to control the NVRAM Runtime Variable protection through System Admin
Password.
Conguration options: [Disable] [Enable]
7.9 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.
Conguration 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. Conguration 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. Conguration options: [Disabled] [Enabled]