Re: [hylafax-users] MultiTech MT5634ZPX-PCI-V92 and Wedging

[David Brodbeck <DavidB@xxxxxxxxxxxxxxxxxxx>]

> -----Original Message-----
> From: Mike McMullen [mailto:mlm@xxxxxxxxxxxxxxxxxx]

> My server is old. It was built around ~2000. I brought the 
> machine down and
> went into the BIOS. The PCI configurations were set for AUTO 
> so I picked
> IRQ 12 and 14 which seemed to be free. My choices only went up to 15.

You'll only see IRQs above 15 if your system has an APIC, *and* APIC support
is turned on in the kernel.  APICs are found on SMP systems and many newer
single-processor systems.  They're kind of nice for machines that have lots
of PCI cards, since they practically eliminate IRQ sharing.

You might try moving the problematic card to a different PCI slot, if you
can.  I've seen that fix some pretty odd and puzzling problems, like a
Digicom TDM400 card that couldn't trigger interrupts.

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