ADLINK Medical-i7 18/21 - Manual (Page 21)

PENTA Medical i5/i7
Manual
Rev. 1.5
Document: Manual_Medical_i7_R1.5.docx Page 21 of 59 pages Last change date: 7-Mar-13
7.3.4. USB Configuration
Use the USB Configuration menu to read USB configuration information and configure the USB
settings.
USB Devices
The USB Devices field lists the USB devices that are enabled on the system.
•
Legacy USB Support
Use the
Legacy USB Support BIOS option to enable USB mouse and keyboard support.
Normally if this option is not enabled, any attached USB mouse or keyboard does not become
available until a USB compatible operating system is fully booted with all USB drivers loaded.
When this option is enabled, any attached USB mouse or USB keyboard can control the
system even when there is no USB driver loaded onto the system.
•
Disabled Legacy USB support disabled
•
Enabled Default Legacy USB support enabled
•
Auto Legacy USB support disabled if no USB
devices are connected
•
EHCI Hand-off
This is a workaround for system without EHCI hand-off support. The EHCI is a high speed
controller standard.
•
Disabled EHCI hand-off function support disabled
•
Enabled Default EHCI hand-off function support enabled