Asus Pro WS C621-64L SAGE Series User Manual - Page 79
USB Configuration, Above 4G Decoding, SR-IOV Support, AMD Crossfire, PCIE OPROM Slot Options
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Above 4G Decoding 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] SR-IOV Support This option enables or disables SIngle Root IO Virtualization Support if the system has SRIOV capable PCIe devices. Configuration options: [Disabled] [Enabled] AMD Crossfire This option allows you to enable AMD Crossfire for when you need to setup Crossfire on an AMD graphics card. Configuration options: [Disabled] [Enabled] AMD Crossfire can only support 768G system memory. PCIE OPROM Slot Options PCIE1-7 Slot OPROM This option allows you to enable or disable the OPROM of the PCIe slots. Configuration options: [Disabled] [Enabled] 3.6.10 USB Configuration The items in this menu allow you to change the USB-related features. 3.6.11 CSM Configuration This item allows you to configure the CSM (Compatibility Support Module) items to fully support the various VGA, bootable devices and add-on devices for better compatibility. CSM Support This option allows you to enable or disable CSM Support. Configuration options: [Disabled] [Enabled] The following items appear only when you set the CSM Support to [Enabled]. GateA20 Active This allows you to set the GA20 option. [Upon Request] GA20 can be disabled using BIOS services. [Always] Do not allow disabling GA20; this option is useful when any RT code is executed above 1MB. Option ROM Messages This allows you to set the display mode for option ROM. Configuration options: [Force BIOS] [Keep Current] Chapter 3 ASUS Pro WS C621-64L SAGE Series 3-13