On Mon, 8 Nov 2021 20:09:42 -0500, you wrote:
>On Mon, Nov 8, 2021 at 7:46 PM Daryl McDonald <darylangela@gmail.com> wrote:
>
>> The fan went on my nVidea GT 730, so I ordered a new card, while I wait
>> for the replacement fan to arrive. The new card looked a little
>> different and played quite a bit poorer. What graphics card does play nice
>> with Mythtv these days?
>>
>
>I've had good luck with an Nvidia clone GT-1030 fanless. (MSI Graphic Cards
>GT 1030 2GH LP OC) It was recommended to me by other mythtv users.
@Daryl - Yes, I upgraded to fanless Nvidia GT1030 cards over the last
year. They are fine for MythTV, but are not capable of more than
basic 4K@60 video. As you have discovered, cards with fans die early
when the fan does, but so far I have yet to have any fanless Nvidia
card die. I have one EVGA GT1030 which is a PCIe x4 card, and three
Asus GT1030s which are electronically PCIe x4 as well, but physically
PCIe x16, which is a pain as you have to use a x16 slot when a x4 or
x8 one would do. The other 12 PCIe lanes on the x16 pinout are not
connected to the video card. If you have an older motherboard or CPU
that only does PCIe 2.1 or lower, then these cards will not run at
full speed as they need PCIe 3.0 or better to get all the bandwidth
they need using their PCIe x4 pinout (as compared to the PCIe x16 used
by your old GT730). For MythTV this does not matter as MythTV
normally only uses low bandwidth as it passes the video streams to the
video card directly for it to decode, so only up to 100 Mbit/s is
really needed for that. I have used one of my Asus GT1030 cards on a
PCIe 1.1 motherboard and it did MythTV just fine. If you also want to
do other heavy graphics things where the CPU is transferring huge
bandwidth (eg some games, 3D graphic design), then you do need to have
a PCIe 3.0 or greater PC to use a GT1030 card fully. But that also
applies to any Nvidia card of that generation or later - to get full
bandwidth, you need a PCIe 3.0 or better bus.
Due to Nvidia removing driver support for older chipsets in both
Windows and Linux, you really do not want to buy any Nvidia card older
than a GT1030 now, as if the driver support is not already gone (eg my
GT220 card), then it likely will disappear within a year or so.
>However, due to a hardware issue with Nvidia cards on mpeg2 interlaced
>content, I use OpenGL in software to do all the tough work. It helps that
>the CPU is a Ryzen 5 3600.
>
>Jim A
@Jim - Lots of DVDs have MPEG2 interlaced video, and I have not had
any problems playing images of them on my GT1030 cards. Is it some
specific MPEG2 interlaced format that has a problem? Is there a
sample file somewhere I can try playing?
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