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6.4.23
Info Report Configuration Submenu
Feature
Options
Disabled
Post Report
Enabled
Delay Time
Disabled
Info Error Message
Enabled
Disabled
Summary Screen
Enabled
Delay Time
6.4.24
USB Submenu
Feature
Options
USB Module Version
No option
USB Controllers
No option
USB Devices
No option
Enabled
Legacy USB Support
Disabled
Auto
Enabled
xHCI Hand-off
Disabled
USB Mass Storage Driver
Disabled
Support
Enabled
Disabled
Port 60/64 Emulation
Enabled
1 sec
5 sec
USB Transfer Timeout
10 sec
20 sec
10 sec
20 sec
Device Reset Timeout
30 sec
40 sec
Device Power-up Delay
Auto
Selection
Manual
Description
Post Report Support Enabled/Disabled
5
Post Report Wait Time: 0~10 Seconds
Info Error Message Support Enabled/Disabled
Summary Screen Support Enabled/Disabled
5
Summary Screen Wait Time: 0~10 Seconds
Description
BIOS USB module version
Number of USB controllers found on the system
Number of USB devices found on the system
Enable 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 and BIOS setup.
This is a workaround for O/S' without xHCI
hand-off support.
The xHCI ownership change should be claimed
by xHCI O/S driver.
Enable or disable USB mass storage driver
support.
Enables I/O port 60h/64h emulation support.
This should be enabled for complete USB
keyboard legacy support for non-USB aware
O/S'.
The timeout value for control, bulk, and interrupt
transfers.
USB mass storage device Start Unit command
timeout.
Define maximum time a USB device might need
before it accurately reports itself to the host
controller. Auto selects a default value, which is
100ms for a root port or derived from the hub
descriptor for a hub port.
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