[ltp] IRQ/DRQ

[linux-thinkpad@linux-thinkpad.org]

For my Thinkpad 380Z I did the following to get sound, notice my PCMCIA setting:

The CS4237B sound chip works well also using the setup below:

1) Disable Plug N Play function in Thinkpad BIOS by
> shutting off quick boot option.
> 
> 2) Run sndconfig in superuser terminal using these
CS423X values:

> io=530, irq= 5, dma=1, dma2=3, mpu io=330, mpu irq=9.
> 
> 3) Log on as root, in file:/etc/pcmcia/config.opts edit
as a comment by placing # in frount of line:
> 
> include port 0x100-0x4ff, port 0xc00-0xcff
> 
> 4) In KDE control panel, set sound server to start at
> boot, using autodetect settings.
> 
> 5) use Kmix to set & save volumes.
> *
> Hi!
> Maybe Windows has srewed up the IRQ/DMA settings of the sound card. What
> does "lspnp -v" show? In my case the relevant output is:
> 
> 0e CSC0000 multimedia controller: audio
>         io 0x0530-0x0537
>         io 0x0388-0x038b
>         io 0x0220-0x0233
>         irq 5
>         dma 1
>         dma 0
> 
> 0f CSC0010 multimedia controller: audio
>         io 0x0538-0x053f
> 
> Maybe the two DMA channels have switched?
> - Martin
> 
> On Sun, 15 Dec 2002, Bartlomiej Swiercz wrote:
> 
> > Hi,
> > I have thinkpad 600E, and Linux Debian on it. Everything was working
> > good, until I bought pcmcia card. Now I have irq conflict between sound
> > card and pcmica network card. I use cs4232 module with this options:
> > options cs4232 io=0x530 irq=5 dma=1 dma2=0 mpuio=330 mpuirq=9
> > When I run cardmgr I see this message:
> > .......
> > eth0: Megahertz 574B at io 0x300, irq 3, hw_addr 00:01:03:A6:63:B6.
> >   ASIC rev 1, 64K FIFO split 1:1 Rx:Tx, autoselect MII interface.
> > ......
> > Why I have irq problem? The sound card use irq 5 and pcmcia use irq 3.
> > I don't understand it.
> > When I use mpg321 *.mp3 I see erroy:
> > Sound: DMA (output) timed out - IRQ/DRQ config error?
> >
> > What should I do?
> >
> >
> 
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