Tyan Computer S8236 warranty USB Configuration, Legacy USB Support, USB 2.0 Controller Mode

3.3.8 USB Configuration

	BIOS Setup Utility
Main Advanced	PCI/PnP	Boot	Security	Chipset		Exit
USB Configuration				Enables support for
				legacy USB. AUTO
				option disables legacy
Module Version – x.xx.x – xx.x				support if no USB
USB Devices Enabled:				devices are connected.
					Select Screen
None				←
Legacy USB Support		[Enabled]		↑↓ Select Item
				Enter Go to Sub Screen
USB 2.0 Controller Mode		[Hi Speed]		F1	General Help
BIOS EHCI Hand-Off		[Enabled]		F10	Save and Exit
Legacy USB 1.1 HC Support		[Enabled]		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

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