[Asterisk-Users] Re: Problems with TDM400P card

Tony Mountifield tony at softins.clara.co.uk
Tue May 3 10:27:33 MST 2005


In article <Chameleon.1115129364.adar0 at vegas>,
Rich Adamson <radamson at routers.com> wrote:
>  - a modified zttest.c run on both systems to show the delays in reading
>    8192 bytes from the TDM card as 23,850 microseconds lateness on
>    the old mobo, and 24,000 microsecond lateness on the new system. No
>    significant change resulting from the differences in mobo, pci
>    structure, interrupt structure, cpu speed, quantity of ram, kernel
>    differences (v2.4 vs v2.6), etc.

See my response to your zttest-mod.c posting. I think it is 8000 bytes
that are due every second, not 8192. That would make the timing on your
new system pretty accurate if 8192 bytes are arriving in 1,024,000us.

Cheers
Tony
-- 
Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org



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