DFI ES520-CD Manual - Manual (Page 34)

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34
Chapter 7 BIOS Setup
Chapter 7
USB Configuration
This section is used to configure USB.
Legacy USB Support
Enabled
Enables legacy USB.
Auto
Disables support for legacy when no USB devices are connected.
Disabled
Keeps USB devices available only for EFI applications.
EHCI Hand-off
This is a workaround for OSes that does not support EHCI hand-off. The EHCI owner-
ship change should be claimed by the EHCI driver.
Enables 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.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
USB Confi guration
USB Devices:
1 Keyboard, 1 mouse
Legacy USB Support
EHCI Hand-off
Advanced
[Enabled]
[Enabled]
 Select Screen
 Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Super IO Configuration
This section is used to configure the I/O functions supported by the onboard Super I/O chip.
Set Parameters of Serial
Port 1 (COMA).
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Super IO Confi guration
Super IO Chip


Serial Port 1 Confi guration
 Serial Port 2 Confi guration
 Serial Port 3 Confi guration
 Serial Port 4 Confi guration
 Serial Port 5 Confi guration
 Serial Port 6 Confi guration
Restore AC Power Loss
Case Open Beep
Advanced
F81866
[Turns Off]
[Disabled]  Select Screen
 Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Restore AC Power Lost
Off
When power returns after an AC power failure, the system’s power is off. You must
press the Power button to power-on the system.
On
When power returns after an AC power failure, the system will automatically power-on.
Last State
When power returns after an AC power failure, the system will return to the state
where you left off before power failure occurs. If the system’s power is off when AC
power failure occurs, it will remain off when power returns. If the system’s power is on
when AC power failure occurs, the system will power-on when power returns.
Case Open Beep
Set this fi eld to Enabled to allow the system to alert you of a chassis intrusion event.