Re: YMF724

["Gaillard Lee Johnson--www.imyourhandiman.com" <lee imyourhandiman com>]

hi tim..

i was wondering according to my computer vendor i have a YMF-740 :)..hey
you're the first person i''ve come across that matches so close to what
i have...I wonder if what you've done should work with mine..what's this
about turning on varoius blocks
this is news to me..?..:)

something i should be aware of i wonder as regards to getting to work
better in linux?

thanks
lee


Tim Newsham wrote:

> [is this the right place for sound device driver issues?]
>
> Hi,  I have a YMF724 based sound card (yamaha chip).  It has an
> OPL3 and SB emulation on the legacy audio block, as well as a
> "pci audio block" which promises direct audio access.  I got
> the tech sheets from yamaha's site for the 724 (and the 754 which
> supersedes it), but neither describes the "pci audio block".
>
> It is trivial to turn on the legacy audio block, and after doing
> so, it is possible to load the opl3 and sb drivers (sb only
> emulates up to 3.01, however).  Upon doing so, I can use the opl3
> synthesizer fine, but playing audio through the sb driver does
> not produce any audio output (although it seems to take about
> the right time..  ie.  no hangs, irqs working properly?).
>
> Any ideas why the sb driver's output would be silent?  This is
> a PCI card emulating the legacy ISA SB card,  are there any
> weird issues with DMA that I should be aware of?
>
> Has anyone had luck getting specs for the pci audio block from
> yamaha?
>
>                                       Tim N.
>
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