From: Zbigniew Baniewski (zbispid.com.pl)
Date: Thu Apr 10 2008 - 15:59:14 CDT

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On Thu, Apr 10, 2008 at 10:25:50PM +0200, Alexandre Ratchov wrote:

> well, if both codecs and the digital chip are well documented, how
> they are connected is not too hard to guess. There's an EEPROM that
> gives hints.

You're right: "if". ;)

But found some more info about the other chips:
http://wiki.hydrogenaudio.org/index.php?title=Chaintech_AV-710

> > > afaik, these cards are based on envy24ht, not envy24.
> >
> > What do you think about (much cheaper) Chaintech AV-710? There's a version
> > with envy24... perhaps someone's using this under OpenBSD?
> >
> > http://icrontic.com/articles/chaintech_av710_71_audio_card_review
> > http://techgage.com/article/chaintech_av-710_71_sound_card/
> > http://www.sudhian.com/index.php?/articles/show/654
> >
>
> according to the second link, it uses envy24HT so it will not work
> with the current envy(4) driver. FYI envy24 is also known as VT1712
> or ICE1712. Esi-julia and AV-710 seem to use the VT1721.

Perhaps I misunderstood that test at "icrontic" - there was a comparison of
the chips, and this was suggesting, that there are four versions of the
card; probably wrong conclusion.

The testers are publishing a bit contradictory informations: f.e. on the
page: http://techgage.com/article/chaintech_av-710_71_sound_card

First you'll find: "VIA ENVY 24PT", several verses down a remark: "The heart
of the card is the Envy24 HT-S Chipset" - with a photo on the side. A photo
of... ENVY 24PT. Immediately below - image of ENVY 24HT-S. :-O

What a pity; the card has quite good reviews. OK, must look further...
--
                                pozdrawiam / regards

                                                Zbigniew Baniewski

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