On Sunday 23 May 2004 06:27 pm, Dexter N Muir wrote: > Re-posting... sorry I hijacked a thread. > > I have an hp pavilion 713a machine, with Microstar MS-6577 > Motherboard. This has an Avance AC97 audio chip on board, which works > fine under the pre-loaded XP. I'm trying to migrate it to Mandrake > (10.0 Community), and running into the odd obstacle or two... > > Firstly, the drivers themselves. "Configure your computer" says the > hardware itself is working fine (there are no error messages). I've > tried using the alternate drivers as listed here, but with no better > success than the default (snd_intel 8x0). The diagnostic procedures > tell me to run a series of commands, and I've done these, but the > results are cryptic: > chkconfig --list sound reports a series of 0: .. 6:, with off or > on. > chkconfig --list alsa does the same. What do these mean? > > Frans Ketelaars replied: > >See 'man chkconfig'. In this case it lists the runlevels in which a > >service like sound or alsa is started. Posting the output of the > >diagnostic procedures is always a good idea. > > Nextly, the mixer. I'm using KDE desktop, so up comes Kmix. The > help files for this tell me nothing about what the red and green buttons > (above and below the sliders) are for - can ANYONE tell me? Also, I can > see a "Mix Mono" output, but after having fiddled the drivers the stereo > one has disappeared - is this a symptom of the lack of sound out? Yes, > I can right-click the slider and split the control, but the right one > snaps to the left setting, so that doesn't turn it into stereo, it's > really a mono one. > > Frans replied: > > Use alsamixer if you use the default ALSA driver snd_intel8x0. > > Alsamixer > > > has a man page. Be sure to unmute (toggle with the 'm' key) and raise > > the volumes of the relevant channels, at least 'pcm' and 'master'. > > > > Btw, what exactly is the problem? Do applications 'appear' to play? > > To continue the saga: > > I tried alsamixer, but with no more success in terms of sound output, > and though it explained the red and green buttons in Kmix it raised a > few points in itself. > > Kmix (bottom right corner) shows I am controlling Intel 82801DB-ICH4. > I presume this is correct for the AC'97 as embedded on the mobo. The > MCC (under Hardware/Hardware) says the Soundcard is ICH4 845G/GL Chipset > AC'97 Audio Controller, and Module is snd-intel8x0. > The green buttons are muted when dim, and un-muted when bright, i.e > enabled. > The red buttons are "capture selected" when bright. > > alsamixer says Card: Intel 82801DB-ICH4, and Chip: Realtek ALC202 rev > 0. The onboard LAN is a Realtek RTL8139 - is this part of the same > chip? I'm having troubles with that too... > man alsamixer says Spacebar toggles Capture mode on a valid input, > adding or removing it from the capture sources. Its behaviour belies > this: it selects that channel for capture, removing all other inputs > from capture sources. Having found this, I noted that Kmix seems to > allow multiple sources fro capture, though the red buttons will not > clear immediately after being selected: another source has to be toggled > in between. Strange... > > With a CD in the drive, and the CD player indicating that it is there > and playing a track, and with the mixer (either alsamixer or Kmix) > showing CD selected and volume high (80%+), there is still no sound out. > > #chkconfig --list sound > sound 0:off 1:off 2:on 3:on 4:on 5:on 6:off > #chkconfig --list alsa > alsa 0:off 1:off 2:on 3:on 4:on 5:on 6:off > #runlevel > N 5 > > > Any takers? :-) > > Hopefully... > Dex > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.656 / Virus Database: 421 - Release Date: 9/04/2004 I have found that if the Mic volume is enabled then the cd does not play sound so make sure that the Mic volume is turned off. HTH -- Dennis M. Linux user #180842
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