[mythtv-users] M179 vs. PVR-250. was: ivtv firmware 2.02 or 1.9 ?

Steve Frank steve.frank at bevcore.com
Thu Mar 25 17:18:25 EST 2004

Chris, I have had exactly the same problem you are describing, and gave
up on it. Eventually I gave up and moved to a PVR-350. I intend to use a
M179 in the near future for a secondary tuner-only based card.


> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org 
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Chris Thompson
> Sent: Wednesday, March 24, 2004 11:54 AM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] M179 vs. PVR-250. was: ivtv 
> firmware 2.02 or 1.9 ?
> Jarod C. Wilson (jcw at wilsonet.com) wrote:
> > No distinguishable difference between the two for me. I 
> have a retail
> > rev2 PVR-250 and an M179 in the same box, no problem. For a 
> secondary 
> > card (or even a primary, if you have another remote control 
> > interface), the M179 is a solid deal. Save the money.
> This does not seem to be a constant. I actually purchased two 
> M179s to go in my master backend alongside my PVR250 based on 
> your success. My results have not been as successful.
> My M179s, if fed by my RCA DirecTV boxes over SVideo, return 
> a black and white (But very clear) image. I get color on 
> composite in, but very scratchy sound on both. One of the two 
> has very dirty video with vertical lines of static throughout.
> I've been posting to the ivtv list for help, and the 
> consensus over there on the interference issue is that the 
> M179 cards did not have as much attention paid to shielding, 
> and that M179s should be wrapped in shielding somehow. One 
> guy has his M179 in the very last slot and wrapped in 
> shielding to good results.
> Another recommended that any IDE cables be kept well clear of 
> M179 cards.
> Nobody has even sniffed at my black and white video problem as of yet.
> With considerable tweaking I got adequate video out of the 
> one M179 over composite.
> It's possible that Jarod got a better card than mine, or 
> perhaps that my Board and/or power supply are noisier. I'm 
> not sure, but at this point, I'm regretting the purchase.
> _______________
> Chris Thompson

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