Intel S2600IP Service Guide - Page 130

BIOS Setup Utilities Comments: When the USB controllers are Disabled, there is no USB IO available for either POST or the OS. In that case, all following fields on this screen are grayed out and inactive. 3. Legacy USB Support Option Values: Enabled Disabled Auto Help Text: Enables Legacy USB support. AUTO option disables legacy support if no USB devices are connected. Disable option will only keep USB Keyboard devices available for EFI applications. Comments: When Legacy USB Support is Disabled, USB devices are available only through OS drivers. If the USB controller setting is Disabled, this field is grayed out and inactive. 4. Port 60/64 Emulation Option Values: Enabled Disabled Help Text: Enables I/O port 60h/64h emulation support. This may be needed for legacy USB keyboard support when using an OS that is USB unaware. Comments: If the USB controller setting is Disabled, this field is grayed out and inactive. 5. Make USB Devices Non-Bootable Option Values: Enabled Disabled Help Text: Exclude USB in Boot Table. [Enabled]- This will remove all USB Mass Storage devices as Boot options. [Disabled] - This will allow all USB Mass Storage devices as Boot options. Comments: This is a security option. When Disabled, the system cannot be booted directly to a USB device of any kind. USB Mass Storage devices may still be used for data storage. If the USB controller setting is Disabled, this field is grayed out and inactive. 6. Device Reset Timeout 118 Intel® Server System R2000IP Service Guide