*BSD News Article 75989


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From: daver@sirius.cs.pdx.edu (Dave Roethig)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Using pca device?
Date: 12 Aug 1996 14:12:09 GMT
Organization: Portland State University, Portland, OR
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J Wunsch (j@uriah.heep.sax.de) wrote:
: daver@sirius.cs.pdx.edu (Dave Roethig) wrote:

: > How do I use the pca (sound through speaker) device?

: By putting the device configuration line into your kernel config file:

: device pca0 at isa? port IO_TIMER1 tty

: It operates on the normal PC speaker, but naturally, its sound is
: rather terrible, and it puts a fair amount of load onto the machine by
: drastically increasing the timer interrupt rate.

: The device node /dev/pcaudio is supposed to be created by default.  If
: you are adventurous, you can symlink it to /dev/audio, so other
: programs will believe you've got a Sun /dev/audio compatible sound
: device.

: The implementation used to have several glitches.  Some of the most
: serious have been fixed right in time before 2.1.5, quite some other
: ones only later in 2.2-current (by July 20, 1996).  So if you try
: playing XBoing over it, you will note several minor anomalities even
: in FreeBSD 2.1.5.  In FreeBSD 2.1, don't be surprised if the system
: hangs or crashes at all when you're doing this.  (Dumping single .au
: files to /dev/pcaudio used to work, but XBoing opens/writes/closes the
: sound device again for each new sound, so it puts much more load on
: it.)

: -- 
: cheers, J"org


I compiled a new kernel and it will play a .au file.

Is there a way to change the volume??


Thanks!
dave
daver@cs.pdx.edu