HP Z240 SFF / sound

remarks The system uses a Realtek ALC221 chipset, but with some HP-specific changes. To get it to behave properly, the following configuration must be applied. files to add / edit /etc/modprobe.d/snd_hda_intel.conf # /etc/modprobe.d/snd_hda_intel.conf options snd_hda_intel beep_mode=0 options snd_hda_intel enable_msi=1 options snd_hda_intel model=alc221-hp-mic options snd_hda_intel patch=snd_hda_intel.fw options snd_hda_intel power_save=0 options snd_hda_intel power_save_controller=N options snd_hda_intel probe_only=0,1 /lib/firmware/snd_hda_intel.fw …