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Tyan Computer MITAC S8236 User Manual

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60

3.3.8 USB Configuration

BIOS Setup Utility

Main Advanced PCI/PnP Boot Security Chipset Exit


USB Configuration


Module Version – x.xx.x – xx.x

USB Devices Enabled:
None

Legacy USB Support

USB 2.0 Controller Mode
BIOS EHCI Hand-Off
Legacy USB 1.1 HC Support






[Enabled]

[Hi Speed]
[Enabled]
[Enabled]


Enables support for
legacy USB. AUTO
option disables legacy
support if no USB
devices are connected.

Select Screen

↑↓

Select Item

Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit



Legacy USB Support
Enables support for legacy USB. AUTO option disables legacy support if no USB
devices are connected.

Enabled / Disabled / Auto


USB 2.0 Controller Mode
Configure the USB 2.0 controller in Hi Speed (480 Mbps) or Full Speed (12Mbps).

Hi Speed / Full Speed


BIOS EHCI Hand-OFF
This is a work around for OSes without EHCI hand-off support. The EHCI
ownership change should claim by EHCI driver.

Enabled / Disabled

Legacy USB1.1 HC Support
Enables support for legacy USB. Auto option disables legacy support if no USB
devices are connected.

Enabled / Disabled