Bull NovaScale T840, User Manual, Page: 276 / 302

User Guide
276
www.bull.com
USB Configuration Submenu
Table 32: USB Configuration Submenu
Feature Choices or
Display Only Description Your Setting
USB Devices
Enabled: Display only Shows the number of USB
devices in system
USB Controller Enabled
Disabled
If disabled, all of the USB
controllers will be turned off and
inaccessable by the OS.
Legacy USB
Support Enabled
Disabled
Auto
Enables Legacy USB support.
Auto option disables legacy
support if no USB devices are
connected.
EHCI Hand-off Enabled
Disabled
This is a workaround for
operating systems without
EHCI Hand-off support. The
EHCI ownership change should
be claimed by EHCI driver.
Port 60/64
Emulation Enabled
Disabled
Enables I/O Port 60h/64h
emulation support. This should
be enabled for the complete
USB keyboard Legacy support
for non-USB aware operating
systems.
Device Reset
Timeout 10 Sec
20 Sec
30 Sec
40 Sec
USB Mass storage device Start
Unit command timeout.
Storage Emulation:
USB Device Type
and Mode
Auto
Floppy
Forced FDD
Hard Disk
CD-ROM
If a USB device is plugged,
displays the USB device type
and mode.
USB 2.0 Controller Enabled
Disabled
If disabled, all of the USB 2.0
controller will be turned off and
inaccessable by the OS.
USB 2.0
ControllerMode High Speed
Low Speed
Choose Mode of operation of
USB 2.0 controller: High Speed
or Low Speed.