User's Manual

22
USB Configuration: USBConfigurationParameters.
LegacyUSBSupport:EnableLegacyUSBsupport.AUTOoptiondisableslegacysupportif
noUSBdevicesareconnected.DISABLEoptionwillkeepUSBdevicesavailableonlyforEFI
applications
EHCIHandoff:Thisisaworkaroundfor0SeswithoutEHCIhandoffsupport.TheEHCI
ownershipchangeshouldbeclaimedbyEHCIdriver.
USBtransfertimeout:ThetimeoutvalueforControl,Bulk,andInterrupttransfers.The
choice:1sec,5sec,10sec,20sec
Deviceresettimeout:USBmassstoragedeviceStartUnitCommandtimeout.Thechoice:
10sec,20sec,30sec,40sec
Devicepowerupdelay:USBmassstoragedeviceStartUnitCommandtimeout.
Figure.24USBConfigurationsetting