Wednesday, December 8, 2010

How to configure interrupt request (IRQ) priorities in Windows Vista and Windows 7

Most components directly attached to your motherboard—including PCI slots, IDE controllers, serial ports, the keyboard port, and even your motherboard’s CMOS—have individual interrupt requests (IRQs) assigned to them.
An interrupt request line, or IRQ, is a numbered hardware line over which a device can interrupt the normal flow of data to the processor, allowing the device to function.

Windows Vista and 7 lets you prioritize one or more IRQs (which translate to one or more hardware devices), potentially improving the perfoemance of those devices.  See the link below for basic registry editing tips that you can use to set IRQ priorities.
http://helpdeskgeek.com/windows-vista-tips/manage-irq-settings-windows-vista-7/

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