Ok, I'll take a closer look at my BIOS later tonight and talk to another programmer to see what options might be the best to try. Thanks for being willing to do this, if you actually find a setting that makes a difference, might help a lot of people. Since it's just a lab machine, at least you're not messing up anything important.
I do know that one of the reasons why we hate to assemble computers from components at our company (i.e. buying motherboards, processors, video, etc. boards all separately and plugging them in together) is that half the time there's some weird timing issue that causes all kinds of quirkiness. I had a friend who would actually get out an oscilloscope and check to make sure all the timing looked right, and you'd be surprised how many cheap pci cards don't quite work right with certain motherboards, and vice versa. And there's really no way to know about all these conflicts unless you build lots of computers and/or use a scope.
So now we just buy Dells or HPs or something, not the highest-end equipment, but much less quirkiness since they have engineers checking out the timing of all the boards, making sure there's no weird conflicts, etc.
With Asterisk, it seems a huge amount of the problems people encounter is getting all this equipment from different manufacturers to work together. I guess since there's really never been such an open telephony product quite like Asterisk before, it's like the wild-west for us.
-dana
I'll give it a shot, but that stuff is a little out of the realm of my knowledge. I remember a BIOS black magic web page from this past year on slashdot, but I don't remember anything about it. Do you have any advice on which options I should specifically look at?
To add to my previous e-mail, I have disabled all on board hardware that was unneccessary on the kt4vl, audio, usb, serial ports, parrallel ports etc.
I would be interested in tracking down exactly what caused the problem, I still have the board lying here, with the exact same memory and cpu that was in it. I look forward to some options to try.
> > Brian> Hello, I resolved my echo issue using grandstream/estara > > etc etc Brian> sip phones and wcfxo interfaces from digium. I > > swapped out my Brian> via kt400 based msi kt4vl motherboard for an > > asus p4pe? i845? Brian> based motherboard and the echo has > > completly gone away along Brian> with aggressive suppressor option > > in the makefile. I hope this Brian> helps others. > > I'm curious if you tried experimenting with any settings in the via kt4vl > bios? Or did you just swap motherboards first? For bios settings, I mean > things like timing settings or other PCI bus attributes, even memory speeds.
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