~$ rgrep -i snd-pcsp /etc/modprobe.d/
/etc/modprobe.d/alsa-base:install snd-pcsp /sbin/modprobe --ignore-install snd-pcsp $CMDLINE_OPTS && /lib/alsa/modprobe-post-install snd-pcsp
/etc/modprobe.d/alsa-base:# Keep snd-pcsp from beeing loaded as first soundcard
/etc/modprobe.d/alsa-base:options snd-pcsp index=-2

~$ rgrep -i pcsp /etc/modprobe.d/
/etc/modprobe.d/blacklist:# pcspkr
/etc/modprobe.d/blacklist:blacklist pcspkr
/etc/modprobe.d/blacklist:# snd_pcsp   <- since 2.6.26 kernels
/etc/modprobe.d/blacklist:blacklist snd_pcsp
/etc/modprobe.d/alsa-base:install snd-pcsp /sbin/modprobe --ignore-install snd-pcsp $CMDLINE_OPTS && /lib/alsa/modprobe-post-install snd-pcsp
/etc/modprobe.d/alsa-base:# Keep snd-pcsp from beeing loaded as first soundcard
/etc/modprobe.d/alsa-base:options snd-pcsp index=-2
/etc/modprobe.d/pnp-hotplug:alias pnp:dPNP0800 pcspkr