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I've had some success following the links you posted- I've identified the board type and codec, which is Intel ALC883/888.
I tried the steps mentioned in the guide here for the Intel HDA chipset, [/b]
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Thats an excellent link.
A few weeks back I exchanged emails with the SuSE-GmbH author of that link, and after comparing notes, we decided not to merge our two guides. But we agreed I would provide a link in the "audio troubleshooting guide" that I wrote, linking his as a good detailed guide to follow for the Intel-HDA.
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The channels in kmix don't appear to be labelled correctly, ... The only problem now is that the "surround" volume is controlling the speaker volumes, and the "front" volume the headphones. [/b]
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There is a lot of guidance in the ALSA-Configuration.txt file for the alsa 1.0.16 driver, where that file is a documentation file that comes with the tarball for alsa-driver 1.0.16 (and may also come with the rpm). There are settings that one can set to reverse these (such as the AC97 Quirk Option "swap_surround" (to Swap master and surround controls) and the AC97 Quirk Option "swap_hp" (to Swap headphone and master controls)).
To make it easier for you, I pasted a copy of the ALSA-Configuration.txt file (for alsa-1.0.16) here:
http://pastebin.ca/953968
Take a look at the AC97 Quirk section (toward the end).
One can also change settings elsewhere. Sometimes the sound guru's on IRC #alsa can provide good guidance here.
I confess I have not delved into this myself, so other than suggest you try (via trial and error) the ideas from the ALSA-Configuration.txt file, or suggest you obtain help in IRC #alsa, I can't offer much advice.
If you do decide to try different AC97 Quirk options (to fix the volume controls being swapped) I can provide suggestions for the syntax to use in your /etc/modprobe.d/sound file. When, of course, you get the time.
Good luck.