The vendor's drivers should disable that sound device on the card, eliminating the interrupts. Can be a bit dicey getting those drivers on, because until they are loaded, the system will run bog-slow.
Rig(s) not listed, because I change computers, like some people change their socks.
ATX is for poor people. And 'gamers.' - phucheneh
haswell is bulldozer... - aigomorla
"DON'T BUY INTEL, they will send secret signals down the internet, which
will considerably slow down your computer". - SOFTengCOMPelec