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when it is in ECP mode.
Please note that there is no performance advantage in choosing DMA Channel
3 over DMA Channel 1 or vice versa. As long as either Channel 3 or Channel 1
is available for your parallel port to use, the parallel port will be able to function
properly in ECP mode.
• 3
• 1
3.6.3 Onboard PCI Device
OnChip 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
Note: This option is for the older USB 1.1 specification
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
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