
USER MANUAL
CHAPTER 4
AMI UEFI BIOS SETUP
- 52 -
BIOS Setting
Description
Setting
Option
Effect
Legacy USB
Support
User can enable
or disable USB
port.
Auto
Disable legacy
support if no USB
devices are
connected
Disable
Will keep USB
devices available
only for EFI
applications.
Enable
Enable all the USB
devices
XHCI Hand
‐
off
This is a
workaround for
OSs without XHCI
hand
‐
off support.
The XHCI
ownership
Change should
claim by XHCI
driver.
Disable
Disables this
function
Enable
Enables this
function
EHCI Hand
‐
off
This is a
workaround for
OSs without ECHI
hand
‐
off support.
The EHCI
ownership change
should be claimed
by EHCI driver.
*Disabled
Disables this
function
Enable
Enables this
function
USB Mass
Storage Driver
Support
User can Enable
or disable USB
mass storage
driver support.
Disable
Disables this
function
Enable
Enables this
function
USB Transfer
time
‐
out
The time
‐
out value
for control, bulk,
and interrupt
transfers.
1 Sec
5 Sec
10 Sec
*20 Sec
Depends on the
time
‐
out value
Device Reset
time
‐
out
USB mass storage
device start unit
command time
‐
out.
10 Sec
*20 Sec
30 Sec
40 Sec
Depends on the
time
‐
out value
Device power
‐
up
delay
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
100 ms, for a Hub
port the delay is
taken from Hub
descriptor
Summary of Contents for M-Series
Page 18: ...USER MANUAL CHAPTER 1 INTRODUCTION 18 1 7 2 Dimensions 15 Unit mm ...
Page 19: ...USER MANUAL CHAPTER 1 INTRODUCTION 19 1 7 3 Dimensions 17 Unit mm ...
Page 20: ...USER MANUAL CHAPTER 1 INTRODUCTION 20 1 7 4 Dimensions 19 Unit mm ...
Page 21: ...USER MANUAL CHAPTER 1 INTRODUCTION 21 1 7 5 Dimensions 21 5 Unit mm ...
Page 22: ...USER MANUAL CHAPTER 1 INTRODUCTION 22 1 7 6 Dimensions 23 8 Unit mm ...
Page 51: ...USER MANUAL CHAPTER 4 AMI UEFI BIOS SETUP 51 3 2 2 9 USB Configuration ...
Page 58: ...USER MANUAL CHAPTER 4 AMI UEFI BIOS SETUP 58 PCI Express Root ...
Page 63: ...USER MANUAL CHAPTER 4 AMI UEFI BIOS SETUP 63 Key Management ...
Page 64: ...USER MANUAL CHAPTER 4 AMI UEFI BIOS SETUP 64 4 2 5 Boot Menu ...
Page 66: ...USER MANUAL CHAPTER 4 AMI UEFI BIOS SETUP 66 4 2 6 Save Exit ...