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firmware for Chaintech AV-710?
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wcg
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PostPosted: Fri Aug 17, 2012 4:13 pm    Post subject: firmware for Chaintech AV-710? Reply with quote

Anyone have a saved correct firmware inage for a Chaintech AV-710
card? I have a version 1.01 card with a VT1721 chip on it.
The ice1720/1724 kernel driver is complaining about the eeprom
image on it, and it crashes mplayer (probably when trying to set
the mixer levels in hardware, etc).

(If I have a correct image, I may be able to persuade coreboot's
flashrom program to write it to the eeprom on the card. I have not
checked that out yet, but having a known good image to write
is a prerequisite for bothering to find out how to flash the card
with it.)
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wcg
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PostPosted: Sat Aug 25, 2012 6:26 am    Post subject: Reply with quote

After a bunch of reading and testing with a $10 Encore card
with a vt1723 chip, I see that this "invalid eeprom" message
from the ice1724 driver is rather common and likely to
be seen with a wide variety of audio cards with this audio chipset
family. (So the firmware on the card now may be fine, alsa-lib simply
does not have a working default initialization/configuration
for it.)
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wcg
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PostPosted: Sat Oct 06, 2012 7:23 am    Post subject: Reply with quote

It works!

I built up this little stack of $10 pci soundcards when trying to get sound
working on a mb with no integrated sound chip. I gave up, some time,
went by, and I finally found time to try to get them working on a
different mb. I enabled the kernel drivers (emu10k1 for a Soundblaster
ct4780, and ice1724 for both the Chaintech av-710 and the
Encore ENM232-8VIA), set the onboard HDA-Intel sound to "auto"
in BIOS, and tested (shutdown, install card, hook up speakers,
start system).

They all work, without an /etc/asound.conf or ~/.asoundrc (kernel
gentoo-sources-3.3.8 ). The Encore and the Chaintech needed a little
volume adjustment with alsamixer (came on loud), but otherwise,
no problems. (I am not doing anything complicated with them,
just playing music through the line-out speaker jack to a 2.1 speaker
set with its own crossover, but that is all I wanted, so I am gratified.)

I am guessing that the problem was something unpleasant about
the pci slot in the original motherboard (or the BIOS handling of it),
where the kernel would detect them but not play any sound.
I don't even get the "Invalid EEPROM" message from the ice1724
driver anymore, on either the Chaintech or Encore cards.

http://www.youtube.com/watch?v=pOOanFtqQvc&feature=relmfu
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