Avalue ECM-CDV - Manual (Page 44)

ECM-CDV User ’s Manual
44 ECM-CDV User ’s Manual
Item Options Description
iFFS Support
Enabled
Disabled
Enable or Disable iFFS
3.6.2.8 USB Configuration
The USB configuration menu is used to read USB configuration information and configure
USB.
Item Options Description
Legacy USB support
Enabled
Disabled
Auto
Enables Legacy USB support.
AUTO disables legacy support if no USB devices are
connected. DISABLE will keep USB devices
available only for EFI applications.
ECHI hand-off
Enabled
Disabled
This is a workaround for OSes without EHCI hand-off
support. The EHCI ownership change should be
claimed by EHCI driver.
USB transfer time-out
1sec / 5sec
10sec / 20sec
The time-out value for Control, Bulk, and Interrupt
transfers.
Device reset time-out
10sec / 20sec
30sec / 40sec USB mass storage device Start Unit command
time-out.
Device power-up delay
Auto
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 from Hub descriptor.
Device power-up delay in
seconds
1~40
Delay range is 1~40 seconds, in one second
increments.
USB 2.0 Flash Disk 1100
Auto
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.