User Manual

ASUS Pro WS C621-64L SAGE Series
3-13
Chapter 3
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.
Congurationoptions:[Disabled][Enabled]
SR-IOV Support
This option enables or disables SIngle Root IO Virtualization Support if the system has
SRIOV capable PCIe devices.
Congurationoptions:[Disabled][Enabled]
AMD Crossfire
ThisoptionallowsyoutoenableAMDCrossreforwhenyouneedtosetupCrossreonan
AMD graphics card.
Conguration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.
Congurationoptions:[Disabled][Enabled]
3.6.11 CSM Configuration
Thisitemallowsyoutocongure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.
Conguration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.
Congurationoptions:[ForceBIOS][KeepCurrent]
3.6.10 USB Configuration
The items in this menu allow you to change the USB-related features.