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Old 12-03-2010, 07:54 PM
MavRic MavRic is offline
Sage User
Join Date: Jul 2008
Posts: 60
Image qualitfy worse / freeze on Win 7 64bit

So i switches to SageTVv7 at the same time as switching from XP to Win7 64bit.

I now seem to have 2 problems:
- The quality of the analog channel tuned by my Hauppage 2250 is lower than i used to be. I set the Sage quality setting to high and it's not helping much. It's noticeably more 'grainy' than before.
- On the same Hauppage 2250 the clear QAM HD channels (locals) are coming in super clear (all digital i guess) so that didn't change.

- On my Hauppage PVR-500 I'm connected to a Comcast Digital cable box (not HD) via S-video. I can see a few seconds of video when the channel changes, then it gets all 'blocky', audio gets garbled and usually it freezes until i change the channel. I have the latest released drivers for the PVR-500 from the Hauppage website.
- On the same Hauppage PVR-500 i'm also connected on composite to a CCTV camera, that image seems to be fine, although there is ofcourse not as much 'motion' on the CCTV so it may not be a fair comparison.
- I had switched the tuner that was connected to the Comcast digital cable box to tune basic cable and it's doing the same there and locking up.

This is a temporary configuration since in few weeks Comcast will cease the analog broadcast...i got my 2 DTA's in already but haven't connected them yet.

Anybody else having issue with PVR-500's under Win7 64 bit? Since it sortoff works i'm hoping there is an experimental driver or something to fix it. Is there a way to control there tuners in windows? (i mean change the actual tuner settings, not the quality setting in sage).

I'll probably need to get a HD-PVR but I'd rather wait for some sort of cable card or similar solution.
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Old 12-04-2010, 06:20 AM
kevine's Avatar
kevine kevine is offline
Sage Expert
Join Date: Aug 2007
Posts: 514
Couple things to look at regarding the PVR-500
Server: Intel Core 2 Quad Q9550 (2.83GHz, 1333FSB), Asus P5B Deluxe MB w/Gb LAN, 4GB AData RAM, WHS, PVR-500 (NTSCx2), HDHomeRun x2 (4 QAM), HDPVR x2, 6.7 TB data pool, Comskip/SJQv3, HD200x3, SD-MVPx2
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Old 12-04-2010, 11:59 AM
MavRic MavRic is offline
Sage User
Join Date: Jul 2008
Posts: 60 seems clear I'm having the >3GB RAM issue with my Win764bit.

I pulled a stick of ram out dropping it from 4GB to 2GB and it seems all good now...doesn't make me happy though since i went to 64 bit to able to run more

The 2250's don't seem to mind the higher ram quantity, guess they are a newer product. It must be a hardware issue wrt to the >3GB problem since it's been known for many years and has not been fixed/adressed by Hauppage
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hvr-2250, pvr-500, win7

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