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IRQ of an USB device - LinuxMusicians
https://linuxmusicians.com/viewtopic.php?t=911
This value (something like '0000:00:1d.2') should correspond to the leftmost column of 'lspci' - this line should be your USB controller. Finally, to find out the IRQ associated with this controller, do 'lspci -v', find the right controller, and it should show the IRQ under 'Flags'.
IRQ Sharing - Sound on Sound
https://www.soundonsound.com/techniques/irq-sharing
Nowadays it's very likely that Windows XP will allocate a unique interrupt to your PCI audio interface (it did for all three of mine, with no help from me). However, IRQ sharing is still commonplace among USB and Firewire devices, and it doesn't prevent us from plugging multiple devices into USB hubs or connecting chains of Firewire peripherals, and without too many …
IRQ conflict in Windows 10 but option to change interrupt ...
https://answers.microsoft.com/en-us/windows/forum/all/irq-conflict-in-windows-10-but-option-to-change/28da83fb-0be3-4658-aa6e-40650454710f
IRQ conflict in Windows 10 but option to change interrupt grayed out. For as long as I have had Windows 10, I have been plagued by IRQ-related BSOD's. I finally learned that IRQ conflicts may be to blame. Using device manager, I learned that two devices, the USB enhanced host controller and my Nvidia GeForce GTX 645 graphics card seem to be on ...
Moving Audio Device To Separate IRQ - Dell Community
https://www.dell.com/community/Laptops-General-Read-Only/Moving-Audio-Device-To-Separate-IRQ/td-p/1304875
The fact that SigmaTel shares an irq assignment is irrelevant because when a usb sound card is selected as the audio device then SigmaTel is essentially disabled. Try opening a wav file (not mp3, wma, or a cd track) in Windows Sound Recorder and play it back, then in Sound Forge and play it back.
USB (Universal Serial Bus) : How it works and what it does
https://www.geoffknagge.com/uni/elec101/essay.shtml
However, rather than each using a fixed IRQ and I/O address, the USB system takes a different approach. When a device is attached to the USB system, it gets assigned a number called its address . The address is uniquely used by that device while it is connected and, unlike the traditional system, this number is likely to be different to the ...
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