BIOS Setup
51
PXI-3982
B.5.5
USB Configuration
Feature
Options
Description
USB Module Version
Info only
USB Controllers
Info only
Display USB Controller type
USB Devices
Info only
Lists USB-connected peripheral devices
Legacy USB Support
Enabled
Disabled
Auto
Enables legacy USB support, where Auto
disables legacy support if no USB devices
are connected, and Disable retains USB
devices only for EFI applications and
setup
XHCI Hand-off
Enabled
Disabled
A workaround for OS without XHCI hand-
off support. XHCI ownership change
should be claimed by the XHCI OS driver
USB Mass Storage
Driver Support
Enabled
Disabled
Enables/disables USB Mass Storage
driver support
Port 60/64 Emulation
Enabled
Disabled
Enables I/O port 60h/64h emulation;
should be enabled for complete USB
keyboard legacy support for non-USB
aware OS
USB Transfer Timeout
1 sec
5 sec
10 sec
20 sec
Timeout value for Control, Bulk, and
Interrupt transfers
Device Reset Timeout
10 sec
20 sec
30 sec
40 sec
USB mass storage device Start Unit
command timeout
Device Power-up Delay
Auto
Manual
Maximum time before the device properly
reports itself to the Host Controller. 'Auto'
uses default value: for a Root port, 100
ms, for a Hub port the delay is taken from
the Hub descriptor
Содержание PXI-3982
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