$WW,1$Uncomment $LK,"#include \"HDAudio\"","FF:HOME/Adam3cSnd.CPP.Z,#include \"HDAudio\""$ in your $FG,2$/HOME/Adam3cSnd.CPP.Z$FG$ file to install a driver for HD Audio. Cfgure it with $LK,"::/SparrowOS/Adam/Snd/HDCfg.CPP.Z","FI:::/SparrowOS/Adam/Snd/HDCfg.CPP.Z"$ and add the file created, $FG,4$HOME/HDAudioCfg.CPP.Z$FG$, to your start-up scripts. $BK,1$Comment it out everything if you get no snd -- the PC Speaker should still work.$BK,0$ If you don't have HDAudio, you'll have to live with the PC Speaker. You might write a driver for your snd card following the HDAudio template. See $LK,"::/SparrowOS/Demo/Snd/PolyPhonic.CPP.Z","FI:::/SparrowOS/Demo/Snd/PolyPhonic.CPP.Z"$, $LK,"SndFileFillBuf","MN:SndFileFillBuf"$() and $LK,"HDFillBuf","MN:HDFillBuf"$() for using HD Audio. The buffers are managed by $LK,"HDAudioTask","MN:HDAudioTask"$().