
A d v a n c e d M e n u
USB Features Submenu of the Advanced Menu
The USB Features submenu provides options for enabling or disabling the USB devices.
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  | PhoenixBIOS Setup Utility  | 
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  | Main  | Advanced  | Security  | Power Savings  | Exit | |
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  | USB Features  | 
  | Item Specific Help  | 
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  | Legacy USB Support  | 
  | [Enabled]  | [Disabled]  | 
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  | The feature is disabled.  | 
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  | SCSI SubClass Support:  | [Enabled]  | 
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  | [Enabled]  | 
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  | Legacy USB Emulation  | 
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  | is enabled and USB  | 
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  | devices are available  | 
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  | without USB aware OS.  | 
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F1 Help  | Select  | Item  | 
ESC Exit  | Select  | Menu  | 
Change  | Values  | |
Enter  | Select  | ▲   | 
F9 Setup Defaults
F10 Save and Exit
Figure 10. USB Features Submenu
Table 10: Fields, Options and Defaults for the USB Features Submenu of the Advanced Menu
Menu Field | Options  | Default  | Description  | |
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Legacy USB Support:  | ■  | Disabled  | [Enabled]  | When Enabled is selected, Legacy USB Emulation is enabled | 
  | ■  | Enabled  | 
  | and the USB devices are available without a  | 
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  | When Disabled is selected, Legacy USB support is disabled.  | 
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SCSI SubClass Support:  | ■  | Disabled  | [Enabled]  | When Enabled is selected, USB devices that belong to the  | 
  | ■  | Enabled  | 
  | SCSI subclass in the mass storage class (e.g., USB Memory  | 
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  | Key) are enabled. Note that enabling this feature may cause | 
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  | the system to hang during POST, depending on the device  | 
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  | that is connected.  | 
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