[Asterisk-Users] TDM400P Revision

[Robert Webb]

> 
> > I was following a discussion on this list about the TDM400P 
> revisions. 
> > It is my understanding that the current revision that one 
> should have 
> > is the Rev. H and not the E/F. I have not yet been able to 
> verify the 
> > rev stamped on the board, but zaptel is reporting that I 
> have the Rev.
> > E/F. I just bought this card in January direct from Digium and was 
> > wondering if I got the wrong Rev. somehow?? I have been having some 
> > intermittent problems but only thought it was my setup.
> 
> I'm not sure when they came out with the Rev H one. If you 
> look back at the archives over the last year, you'll see 
> several people that have had problems and several more that 
> have not had any problems at all. There does not seem to be 
> any common ground for those that have had problems.
> 
> Gut feeling (and some rather general comments) tend to 
> suggest the issue is associated with the pci bus, and 
> possibly something to do with the TigerJet pci controller on 
> the card. Best guess is that it has something to do with pci 
> bus timing issues and that probably is somewhat dependent on 
> the exact motherboard in use.
> 
> Someone posted a note a few weeks ago that essentially said, 
> if your tdm card goes out to lunch (every week or two), dump 
> the tdm registers, and if their all zero's (or 0xff's forget 
> which), then the card should be replaced.
> 
> The Rev H card _does_ have some additional components on it 
> close to the TigerJet chip, and the fxo modules are now 
> marked as x100 (which they were not marked on the originals). 
> So, something in the design has changed. Hopefully, its an 
> improvement. :)
> 
> I won't know for another two weeks or so.
> 
> Best bet is to call digium support and let them walk you 
> through it. It only took about 30 minutes for me last week, 
> and after I described my problem they offered to RMA it 
> without saying anything more, and without logging into my 
> system. Must have been pretty obvious/familiar.
> 

OK, I just physically checked my card and the card is stamped with REV H
but zaptel insists that it is a REV E/F. Could this be causing some
inconsistent issues I have been having. Like voice quality and calls
from the FXS port just all of a sudden dropping for no reason??

What can I do to insure that zaptel sees it correctly from now on?? Are
there really any code differences that make a difference in how the card
is detected??