help

[chris-n/jUll39koHNgV/OU4+dkA at public.gmane.org]

Lennart Sorensen writes: 

> On Wed, Jan 30, 2008 at 01:02:26PM -0500, chris-n/jUll39koHNgV/OU4+dkA at public.gmane.org wrote:
>> From the BIOS:  
>> 
>> Compaq VGA controller IRQ 5
>> Intel IDE controller  Enabled
>> Intel USB controller IRQ 11
>> Compaq Audio Device IRQ 10
>> Compaq Ethernet controller IRQ 5
>> Creative LAbs Audio Device IRQ 10
>> Creative Labs 1394 controller IRQ 11  
>> 
>> It does seem like a lot of devices for three IRQs. Why do I have a 'VGA 
>> controller'? I think I have at least SVGA. Do I need 'Compaq Audio Device'? 
>> I'm assuming that that is the onboard card that I don't want to use. 
>> However, whenever I set it to 'Disable' that damn ubuntu goes and enables 
>> it whenever it likes. I'm assuming that the 'Creative Labs' device and 
>> controller comprise the EMU 1212m pci card that I do want to use. 
> 
> VGA simply means a device that is VGA compatible, which is any video
> card made in a very long time.  The fact it does more than VGA doesn't
> mean it isn't VGA compatible.

Okay. 


> The EMU1212m would show up as a creative labs device since it is based
> on the emu10k1 used on a number of creative labs products.

I see. 


> The Creative Labs 1394 is probably a firewire port that is present on
> the same card since some cards they made had firewire ports.  It must be
> on the B interrupt line on the card then  It must be on the B interrupt
> line on the card then.

Gotcha. 


> If you disable the onboard audio (maybe there is an option for that,

I sure didn't see anything like that - I'd have been all over it if I had. 

> disabling the IRQ is not how to disable the device.  You should not
> override the BIOS's idea of the interrupts unless you know what you are
> doing).

Okay. 

>> Am I correct in all my thinking? 

<snip> 


> I suspect there may be a bug in the 1.0.14rc alsa version ubuntu is
> using (at least on the release you are using).  Maybe 1.0.15 would work. 
> 
> You could even try moving the emu card to a different PCI slot which
> would make it share with some other devices than it currently is, in
> case you suspect it is an IRQ problem (which I currently doubt, but I
> guess you never know without trying).

Another reason an IRQ conflict seems unlikely is that the part of the card 
(it has two cards) that I am plugging into to record (without success) is 
the same part of the card (i.e. same slot) that plays back (successfully). 

Chris 

> --
> Len Sorensen
> --
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