Supermicro SUPERSERVER 2028TP-HC0R - Page 111

Chapter 7: BIOS
7-17
EHCI2
Select Enabled to enable EHCI (Enhanced Host Controller Interface) support on
USB 2.0 connector #2 (-at least one USB 2.0 connector should be enabled for EHCI
support.) The options are Disabled and Enabled.
XHCI Pre-Boot Drive
Select Enabled to enable XHCI (Extensible Host Controller Interface) support on a
Disabled.
XHCI Idle L1
Select Enabled for XHCI (Extensible Host Controller Interface) Idle Level 1 sup-
Enabled and
Disabled.
PCH DMI ASPM
Select Enabled to enable ASPM (Active State Power Management) support for a
PCH DMI drive. The options are Disabled and Enabled.