Re: High Definition Live TV Freezes System!

Media Center is probably using overlay instead of DMR9 rendering which is
what MC uses so it requires less memory banndwidth.
The specification number you are missing Is Memory Speed and it needs to
be 3.5Mhz or better for MCE and 1080i programs since you do have DDR2
memory. (speed unkown)
Since I do not know a link to your specific 6600 installation or card I can
not check on this for you.
"AllanF" <AllanF@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:06B9BCE5-974C-41C9-8E45-090CF2B05565@xxxxxxxxxxxxxxxx
Hi JW,

What's that calculation?

GeForceFX Go 6600 has 128MB of Dedicated Video Memory (PCI Express 16x).
Memory is 1024 MB DDR2.
Front-side Bus 533mHz.
CPU speed 2.0 GHz.
L2 Cache 2 MB.
LCD Display Resolution is 1440 x 900.

I can watch the High Definition Video of the Pyramids pre-installed with
MCE
(not sure what format... 576p, 720p, 1080i??), and can watch the
troublesome
1080i HDTV channel using the AverTV Application in Windows.

I don't understand why I can't watch the channel in Media Center. Worse
still.... I'm too scared to experiment... it's not pretty to have a system
freeze up, and have to guess were the pointer/cursor might end up so as to
click to change channels or shut down Media Center as soon as there is any
activity.

Regards


"JW" wrote:

Not all 6600 cards will support 1080i HDTV programs since the vendors are
not required to use a particular type memory speed so they can sell very
inexpensive models. If your card does not have 120MB of 350MHz (or
faster)
of DDR2 memory for an effective memory speed of 750Hz (or better) then it
does not have enough memory bandwidth for 1080i using MCE.
"Nigel Barker" <nigel@xxxxxx> wrote in message
news:s89df29dhj9hv09adi2oh1kqsriurq18gf@xxxxxxxxxx
On Wed, 30 Aug 2006 19:03:01 -0700, AllanF
<AllanF@xxxxxxxxxxxxxxxxxxxxxxxxx>
wrote:

I have been grappling with this problem for a while, and would
appreciate
some help.

My system: Toshiba Qosmio G20, Pentium M 2GHz, 1 GB of RAM, nVidia
GeForce
Go 6600, XBOX 360 directly connected with cable (Internet Connection
Sharing), WinDVD Decoder 5.0.11.488 set as preferred decoder, Avermedia
AverTV USB2 HDTV DVB-T BDA Video Capture (A800) with latest WHQL Driver
5.4.10.10.

A number of times over the past few weeks, I have reinstalled the
operating
sytem from the OEM recovery disks, and downloaded and installed all
Windows
Updates (including optionals and hardware).

What Works: MCE Live TV shows Standard Definition (576p) Channels
without
a
problem; Media Center on the TV Set via XBOX 360 shows all Channels
including
High Definition (1080i) brilliantly, AverTV 6.0 Windows Application for
viewing TV shows all Channels including HD.

What Doesn't Work: MCE Live TV on one particular channel which
broadcasts
a
High Definition Demonstration Loop. As soon as I switch to this
channel,
my
whole system freezes - the display locks up, the mouse stops
responding,
the
clock stops, Ctrl + Alt + Del doesn't work, etc - for about seven
minutes.
Then other Channels report No Tv Signal for a few minutes. Then
everything
returns to normal, until I try the HD Channel again.

What I've Tried: Re-installing everything from scratch; removing and
re-installing the latest Update RollUp for MCE; re-installing the
latest
DirectX; installing just the Drivers for the Avermedia. (I am aware of
a
conflict between the AverTV6.0 Application and MCE... If I run AverTV
App,
Media Center loses connection with the Tuner until I reboot. The AverTV
App
also installs its own decoders which DecCheck reports as neither MP nor
MCE
compatible. Installing just the Avermedia Drivers does not install the
decoders.). I have also tried the trial nVidia Pure Video decoder which
gives
the same result as the WinDVD decoder... the big freeze.

Please help.

It would help if you gave some indication of where you live. I am
assuming
Australia as you have MPEg2 HDTV but I could be wrong. Please also
provide
details of exactly what channel you are having problems with.

--
Nigel Barker
Live from the sunny Cote d'Azur





.

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