On Wed, Mar 21, 2012 at 8:45 AM, Tony Mountifield <[email protected]> wrote: > Over the years I have experienced a few interrupt issues when using some > of the Digium E1/T1 cards with Zaptel drivers, and usually resolved them > by disabling USB devices in the motherboard BIOS settings. > > Now more and more systems are coming without PS/2 connections, so USB is > needed for the keyboard or KVM. > > I never knew whether these conflict issues were down to the design of the > card, the motherboard, the Zaptel drivers or the kernel. > > I need soon to build an 8-span E1 system using the Digium TE820 PCIe card, > and want to know whether I am likely to have to solve similar issues, or > if they are now history with newer kernels and DAHDI instead of Zaptel. > > I would be interested in any comments from anyone with experience in this > area. Also, can anyone easily tell me in which version of DAHDI support > for the TE820 was introduced? (If not, I'm happy to go and search SVN) > > Finally, does anyone have a feel for how much CPU power would be required > to run Meetme with DAHDI mixing if all 240 channels were active in various > conferences? (Yes, I know about ConfBridge, but my application currently > needs to use MeetMe). > > Cheers > Tony > -- > Tony Mountifield > Work: [email protected] - http://www.softins.co.uk > Play: [email protected] - http://tony.mountifield.org
By design PCIe has dedicated channels for each port and interrupts are not an issue. There are some vendors that are moving all legacy devices to a USB based controllers in addition. PCIe is not like PCI. PCIe is serial in nature, not parallel. -- ~ Andrew "lathama" Latham [email protected] http://lathama.net ~ -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
