I f you set an MSI based driver with IRQL priority it will be overridden by the driver. Driver has the be IRQ lane-based, not MSI which is a newer and faster way of communication between the drivers and the CPU. T he other IRQs change so you have to find the drivers IRQ number you want to increase (or decrease). IRQ8 is always the same - System CMOS/real time clock or on newer platforms is IRQ0 (SystemTimer), it doesn't chages. You can find IRQs on Hardware Resources>IRQs. Type msinfo32.exe in RUN or Search (or sys in search) and System Information tool will start. That priority can be manually increased or lowered, depending what you want. It handles all hardware interrupts as well) sends IRQs to the CPU with certain priority. The interrupt controller (which as my understanding is medium between the drivers & the CPU in this case although its much more than that. ![]() The faster these interupts the lower the latency. This is a way of Windows to prioritizes the CPU Requests. So whats that thing IRQL Priority and how to set it manually. I think this is a power-saving feature & hoping to override the driver but this is just an assumption. I use NoLazyMode along with NetworkThrottling & SystemResponsiveness of course. I've seen these in old Win7 or 8 versions. NetworkThrottlingIndex determines how much % of the connection stays "in reserve" in certain media-related scenarios. Bitsum has a Multimedia Scheduler Configuration tool that has all the %, including below 10 so I guess they also expect that, or they know something that's not included in the sources. A value of 0 is treated as 10, 1 is also 10 etc. ![]() The values which can't be divided by 10 are rounded up to the nearest multiple of 10. Here SystemResponsiveness means how many % are not used (saved) for low-priority/background tasks.
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