Onboard Device - TYAN TOMCAT I915 User Manual

Tomcat i915 S5120

3.5.3 Onboard Device

USB Controller
This option enables or disables IRQ allocation for the USB (Universal Serial Bus) controller.
Enable this if you are using a USB device. If you disable this while using a USB device, you
may have problems running that device. However, if you don't use any USB devices, set the
option to Disabled. It will free up an IRQ for other devices to use.
•
Enabled
•
Disabled
USB 2.0 Controller
This option enables or disables IRQ allocation for the USB 2 (Universal Serial Bus -
Specification 2.0) controller. Enable this if you are using a USB 2 device. If you disable this
while using a USB 2 device, you may have problems running that device. However, if you
don't use any USB 2 devices, set the option to Disabled. It will free up an IRQ for other
devices to use.
•
Enabled
•
Disabled
USB Keyboard Support
Select "Enabled" if your system contains a USB controller and you have a USB keyboard.
•
Enabled
•
Disabled
This option is for the older USB 1.1 specification
USB 2.0 has a throughput of 480 Mbps (40 times faster than USB 1.1)
and is fully backward compatible with USB 1.1.
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Note
Note
3-18
Chapter 3: BIOS Setup