If you reboot the OS, the BIOS is “smart” enough to prevent the USB 3.0 port from reverting to 2.0 functioning before the OS USB 3.0 driver loads. What is XHCI Hand Off Auto Smart Mode?īefore the OS USB 3.0 driver loads, the on-board USB 3.0 port behaves like a 2.0 port. During the reboot BIOS phase before the OS USB 3.0 driver loads, the on-board USB 3.0 port behaves like a 2.0 port again. What is XHCI Hand Off Auto Mode?īefore the OS USB 3.0 driver is loaded, the on-board USB 3.0 port behaves like a 2.0 port. Either way, it does not make a lot of difference. For Windows 7, it is ideal to enable XHCI, in the BIOS setup. If you are running Windows 10 or above, you do not need to enable XHCI. When enabled, the on-board USB 3.0 port functions like a regular 3.0 port, however, when the XHCI Hand Off is disabled, the onboard USB 3.0 port functions like a 2.0 port. XHCI Hand Off is a mode in BIOS configuration. When you buy through links on our site, we may earn an affiliate commission.
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