Usb Configuration; Csm Configuration - Asus Pro WS 621-64L SAGE Series Manual

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]
[Always]
Option ROM Messages
This allows you to set the display mode for option ROM.
Configuration options: [Force BIOS] [Keep Current]
ASUS Pro WS C621-64L SAGE Series
GA20 can be disabled using BIOS services.
D o not allow disabling GA20; this option is useful when any RT
code is executed above 1MB.
3-13