help

chris-n/jUll39koHNgV/OU4+dkA at public.gmane.org chris-n/jUll39koHNgV/OU4+dkA at public.gmane.org
Wed Jan 30 19:17:25 UTC 2008


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

I can't shake the feeling that there is something fundamental that I am 
doing wrong here. Like, the balanced input at the back of the emu card will 
not accept an unbalanced line, or I have chosen the wrong 'Device' in 
Audacity, or you cannot send an unpowered signal to the 1/4 " IN on the emu 
(thought I've tried a powered signal and that did not work either), or the 
emu has no audio-to-digital conversion so I have to get an external ADC just 
to record. Something basic. Alsa sees the card, I can playback with the card 
 - I just can't record... 

Chris 

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