Thank you, 
 
but will i able to turn down the headphone volume in Linux? (Not the Main DAC) 

TraubeMinze
will i able to turn down the headphone volume in Linux? (Not the Main DAC) 

Short answer:  yes
Long answer:  yes.  ALSAmixer gives control over the output level, by turning down the DAC output.  The headphone output is in series after the DAC output, so turning down the DAC turns down the volume to the headphones also.  PulseAudio (as used by Ubuntu and others) seems to reduce volume in the digital realm, independent of ALSA.  "Seems" because I don't know whether it's manipulating the bitstream separately from ALSA, or sending instructions to ALSA.  Someone smarter than me needs to answer this.

Thanks for the guide! 

If anyone is still watching this thread, I've uncovered one odd behavior:  under Xubuntu 20.04, everything works, until the system goes into "suspend" mode.  Upon awakening, there's no audio.  I've only been able to get it back by rebooting.  I normally don't use suspend, so for me it's not an issue, just throwing this out in case anyone else sees this.

Interesting!

Thanks for this.  I was interested in getting this sound card, but honestly, I dual boot quite frequently and having to flash the bios on each reboot is too much of a PIA.   Can't EVGA make a bios that supports Windows and Linux without reflashing?

Thank you much for the guide!

Thanks for the guide as I will not upgrade to Windows 11.
Linux here I come!

jfw06013 I'm in the same boat. I have had it with windows and it's spyware and on again off again recall monitoring. I've been trying to figure out what distro to use and for me i game way more then i listen to audiophile bit perfect music which we can with this card.
CachyOS seems to be the best and least stuttery OS. I don't know but there is a very detailed walk through on you-tube for setup, but i need to hear it through this EVGA card. I don't want to dual boot i want to cut the cord permanently. I use an 7900xtx AMD card the best team red has and i love the card. I just want this sound card to work, and work well for all my games. Please share your experiences with linux and what distro you use, if that makes a huge difference. My loathing of windows has really forced me to do this and this is the one piece of hardware i will not give up, i can afford an equal quality outboard D/A converter so i have ot make this card work with linux. Please tell us how its going!