TerraTec Cinergy 1200 DVB-S budget/Typhoon/KNC1 DVB-S budget

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There seems to be a new revision of the Typhoon/KNC1 DVB-S with new Tuner SU1278/SH-2 aka KNC Plus. The new version of the KNC card apparently uses "KNC One" (0x1894) as PCI Vendor ID instead of "Philips" (0x1131).

Kernels up to 2.6.15 do not recognize it, 2.6.16-rc4 does. However I haven't got it to work properly yet. Kernel sees it and everything, but it permanently (like every second) loses LOCK und thus reception. The card works fine under Win XP, so it's not the card or reception that's broken...

After some research on the web and by mail, it turns out that the TUA 6100 used on the card is not really properly supported by Linux. The values that get programmed into it by the Linux driver will need a lot of finetuning before this card will work properly.