BCM Advanced Research ECM-APL, User Manual

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User’s Manual
ECM-APL
User’s Manual
47
3.6.2.11 USB Configuration
The USB Configuration menu helps read USB information and configures USB settings.
Item Options Description
Legacy USB Support
Enabled [Default]
Disabled
Auto
Enables Legacy USB support. AUTO option
disables legacy support if no USB devices are
connected. DISABLE option will keep USB
devices available only for EFI applications.
XHCI Hand-off
Disabled
Enabled [Default]
This is a workaround for OSes without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
USB Mass Storage Driver Support
Disabled
Enabled [Default]
Enable/Disable USB Mass Storage Driver
Support.
USB transfer time-out
1 sec
5 sec
10 sec
20 sec [Default]
The time-out value for Control, Bulk, and Interrupt
transfers.
Device reset time-out
10 sec
20 sec [Default]
30 sec
40 sec
USB mass storage device Start Unit command
time-out.
Device power-up delay
Auto [Default]
Manual
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 100ms, for
a Hub port the delay is taken form Hub descriptor.
Mass Storage Devices
Auto [Default]
Floppy
Forced FDD
Hard Disk
CD-ROM
Mass storage device emulation type.
‘AUTO’
enumerates devices according to their media
format. Optical drives are emulated as
‘CDROM’,
drives with no media will be emulated according
to a drive type.