USB Configuration
• Legacy USB Support—Enables user to set support for legacy USB. Auto option disables legacy
support if no USB devices are connected.
• XHCI Hand-off—Offers user a workaround for the OS without XHCI hand-off support. The XHCI
ownership change should be claimed by the XHCI driver.
• EHCI Hand-off—Offers user a workaround for the OS without EHCI hand-off support. The EHCI
ownership change should be claimed by the EHCI driver.
• USB Mass Storage Driver Support—Enables or disables mass storage support
• USB transfer time out—Enables user to set the time-out value for control, bulk, and interrupt
transfers
• Device reset time out—Enables user to set the USB mass storage device start unit command time-
out value
• Device power up delay—Enables user to set the maximum time the device will take before it properly
reports itself to the Host Controller. 'Auto' uses default value: for a Root port it is 100 ms: for a Hub
port the delay is taken from Hub descriptor.
Security Configuration
• TXE—Enables or disables TXE
• TXE HMRFPO—Enables or disables TXE HMRFPO
• TXE Firmware Update—Enables or disables automatic firmware updates for TXE
• TXE EOP Message—Enables or disables TXE to send an EOP Message before entering
• Intel (R) AT—Enables or disables BIOS AT code from running
• Intel (R) AT Platform PBA—Enables or disables BIOS AT code from running
Chipset tab
The Chipset tab displays general configuration details including the following menu options:
• North Bridge—Details of North Bridge parameters
• South Bridge—Details of South Bridge parameters
North Bridge sub-menu options
• Intel IGD Configuration—Enables user to configure Intel IGD settings
• Graphics Power Management Control—Enables user to set graphics power management control
options
USB Configuration 37
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