[Asterisk-Users] Does use of riser cards in racks affects performance of PCI telephony cards ?

[Steven Critchfield]

On Thu, 2004-10-21 at 14:06 +0200, Robert Rozman wrote:
> Hi,
> 
> I've read quite a lot about sensibility of Asterisk HW cards to interrupt
> latency, ...
> 
> I don't know much about HW, but would like to know if I use riser card
> (vertical adapter for 1-3 PCI cards that goes into one PCI slot) to put some
> Asterisk HW cards on it in rack chassis - do I affect their performance in
> regard of interrupt priority latency in comparison with normal placing of
> each card in separate PCI slot?

If you are using server quality hardware, the riser will be more
advanced and will have a more complex slot than just a PCI slot. I can
tell you I have 2 server class machines running 4 port T1 cards on
risers in my colo rack.
-- 
Steven Critchfield <critch at basesys.com>