[asterisk-users] Echo and static on PRI with errors

[Tom O'Connor]

On Wed, Jul 1, 2009 at 10:49 AM, Marco Signorini <marcotasto at libero.it>wrote:

>  Tom O'Connor wrote:
>
>
>
> On Wed, Jul 1, 2009 at 7:37 AM, Francesco Peeters <
> francesco at fampeeters.com> wrote:
>
>> John F. Ervin wrote:
>> > What do you do if you find things sharing interrupts (IRQ 11) in my
>> > case with my X100P card.  I believe there is some sort of internal
>> > audio card in my cheap slow PC.
>> >
>>  Check the BIOS whether you can:
>> Change the IRQ assignments
>> Disable the extra hardware using the same IRQ
>>
>> Or otherwise try changing the slot it is in... I had very good results
>> in the past swapping card around
>>
>> Good luck!
>>
>>
> I did a bit of investigation WRT the IRQ settings on this box.
>
> 00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a3)
> (prog-if 20)
>     Subsystem: Hewlett-Packard Company Device 3207
>     Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 11
> --
> 01:05.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX
> 400] (rev b2)
>     Subsystem: Hewlett-Packard Company Device 3207
>     Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 11
> --
> 02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit
> Ethernet PCI Express (rev 11)
>     Subsystem: Hewlett-Packard Company Device 3209
>     Flags: bus master, fast devsel, latency 0, IRQ 11
> --
> 81:01.0 Network controller: Tiger Jet Network Inc. Tiger3XX Modem/ISDN
> interface
>     Subsystem: Device 79fe:0001
>     Flags: bus master, medium devsel, latency 64, IRQ 11
>
> So basically there's 2 network cards and a USB controller sharing IRQ 11
> with the Openvox card.
>
> I wasn't able to find any settings in the bios to manually configure IRQ
> assignments :(
>
> Could someone tell me how to set which IRQ the ISDN card picks up?
>
> --
> Tom O'Connor
>
> http://www.twinhelix.org
> tom at twinhelix.org
>
> Hi,
> Unfortunately is not always possible and it depends on how the mainboard
> was realized. For what I can understand a lot of producers decide to route
> only a subset of physical IRQ lines to the PCI slots (I think is something
> related to cost reduction) and to share it with other onboard peripherals.
> This lets impossible to change the IRQ assignment for expansion cards.
>
> This is not always true and sometimes swapping add-on cards solves the
> problem.
>
> We had better results with cards based on new Digium technology or with
> Sangoma cards.
>
> There is almost no room for manouvering in the HP bios.  There's no ability
to disable stuff like parallel ports, or anything else really.

I don't think i'd buy digium hardware again.  I'm already considering RMAing
these cards and getting Sangoma ones.


-- 
Tom O'Connor

http://www.twinhelix.org
tom at twinhelix.org
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