2.4 Setting Up Sound Cards
Most sound cards are detected automatically and configured with
reasonable values. In YaST, use if you want to add a problematic sound
card that could not be configured automatically or change the default
settings. It is also possible to set up additional sound cards or switch
their sequence.
HINT: Probing for Old Sound Chips
If you know a legacy sound board is installed in your computer, let
YaST probe for old chips, if YaST cannot find a sound board. Within the
pop-up click . See Figure 2-1.
If YaST cannot detect your sound card automatically, proceed as
follows:
-
Click to open a dialog in which to select a
sound card vendor and model. Refer to your sound card documentation for
the information required. Find a reference list of sound cards supported
by ALSA with their corresponding sound modules in
/usr/share/doc/packages/alsa/cards.txt and at https://www.alsa-project.org/alsa-doc/.
Make your choice and click .
-
In the dialog, choose the
configuration level in the first setup screen:
-
-
You are not required to go through any of the further configuration
steps and no sound test is performed. The sound card is configured
automatically.
-
-
Adjust the output volume and play a test sound.
-
-
Customize all settings manually.
Enable , if you need to configure
a joystick. Click to continue.
-
In , test your sound configuration
and make adjustments to the volume. You should start at about ten percent
to avoid damage to your hearing or the speakers. A test sound should be
audible when you click . If you cannot hear
anything, increase the volume. Press to complete the sound configuration.
If you want to change the configuration of a sound card, go to the
dialog, select a displayed
and click . Use
to remove a sound card altogether.
Click to customize one of the following
options manually:
-
-
Use this dialog is for setting the volume.
-
-
For playback of MIDI files, check this option.
-
-
Click if you want to adjust
the sequence of your sound cards. The sound device with index 0 is the
default device and thus used by the system and the applications.
The volume and configuration of all sound cards installed are saved when
you click . The mixer
settings are saved to the file /etc/asound.conf and the
ALSA configuration data is appended to the end
of the files /etc/modprobe.d/sound and
/etc/sysconfig/hardware.
