A real improvement or a placebo adjustment?
How to Permanently Set Process Priority in Windows | Crash Course Guide
Most components connected directly 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 IRQ (Interrupt Request Line) is a numbered hardware line that allows a device to interrupt the normal flow of data to the processor, allowing the device to continue functioning.
Windows Vista and 7 allow you to prioritize one or more IRQs (which are mapped to one or more hardware devices), potentially improving the performance of those devices. Below are basic registry editing tips that you can use to set IRQ priorities.
