Think latency. The HD-2000 has a small FIFO and overruns occur quite easily.
-----Original Message----- From: Brad Templeton [mailto:[EMAIL PROTECTED] Sent: Sunday, March 20, 2005 3:53 PM To: [EMAIL PROTECTED]; Development of mythtv Subject: Re: [mythtv] Re: Whats wrong with myth On Sat, Mar 19, 2005 at 09:02:13PM -0800, Thomas M. Pluth wrote: > Also, HDTV cards, because of the data rate involved, are very selective > about the PCI chipset of the motherboard. They seem to work best on Intel > based boards (845, 865, 875 chipsets). They are very sensitive to PCI bus > latency and loading. I had trouble running multiple HD cards in one server, > because I also had numerous HDD controllers in that server as well. This makes no sense. The data rates of HDTV tuner cards are quite small, in the range of 19 megabits, a fraction of what any ethernet card or disk controller or many other cards do. There is no reason for what you describe. Playing back hi-res video on the other hand does take a lot of data movement, about 500 megabytes/second, which is why only AGP cards (or pci express) really can cut it in that department.
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