User Manual
Table Of Contents
- 1 Knowing BIOS
- 2 BIOS Setup program
- 3 Q-Fan Control
- 4 My Favorites menu
- 5 Main menu
- 6 Ai Tweaker menu
- 7 Advanced menu
- 7.1 Platform Misc Configuration
- 7.2 CPU Configuration
- 7.3 System Agent (SA) Configuration
- 7.4 PCH Configuration
- 7.5 PCH Storage Configuration
- 7.6 PCH-FW Configuration
- 7.7 Thunderbolt(TM) Configuration
- 7.8 PCI Subsystem Settings
- 7.9 USB Configuration
- 7.10 Network Stack Configuration
- 7.11 NVMe Configuration
- 7.12 Onboard Devices Configuration
- 7.13 APM Configuration
- 7.14 HDD/SSD SMART Information
- 8 Monitor menu
- 9 Boot menu
- 10 Tool menu
- 11 Exit menu
- 12 Updating BIOS
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.
Conguration 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. Conguration 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. Conguration options: [Disabled] [Enabled]