[linux-dvb] AVermedia M791 Combo OEM TV Card

Eric ewomer at charter.net
Mon Jan 21 06:50:52 CET 2008


On Sun, 2008-01-20 at 18:24 -0500, CityK wrote:
> ewomer at charter.net wrote:
> >  
> > [UPDATE] 
> >  
> >     XCeive XC3028 (tuner) analog 
> >     MicroTune MT2131 (tuner) digital 
> >     LG LGDT3303 (8VSB/QAM demodulator) 
> >     Conexant CX23887-14z (A/V Decoder & PCIe bridge) 
> >     Conexant CX23417-11z (MPEG-2 A/V Encoder) 
> >     ESMT M12L04322A-AZG1P633X (SDRAM used by encoder) 
> >  
> > also have inf if any one is intrested 
> 
> I see from the inf that AVer actually have two M791 cards - one with 
> MPEG-2 encoder (your model) and one without
> 
> Anyway, getting your card to work is going to involve stringing together 
> the above combination of ICs together (all of which are supported, to 
> one degree or another)  in the existing drivers:
> - the MT2131 appears on a number of the new Hauppauge cards (hvr-1800, 
> 1600, 1250,..)
> - the CX23887 & CX23417 combination on the Hauppauge hvr-1800
> - the LGDT3303 on a number of devices (in particular interest should be 
> the F5 Express, because of its LGDT3303 & CX23885 .. though note that 
> its a '885, as opposed to being the '887)
> - XC3028 appears in a number of devices, an analogue support for it 
> should work (provided firmware is provided ... maybe found in the *.sys 
> file or perhaps the merlin.rom file, though I think the merlin rom is 
> related to the '417 iirc)
> 
> You might also want to identify:
> - From the photo you uploaded to the wiki, it appears that the card also 
> has two audio ADCs for the external A/V inputs ... (you can find them on 
> the top right area of the face of the PCB ... long, rectangular ICs near 
> the white A/V expansion connectors
> - the 8pin EEPROM IC (bottom right on face of the PCB)...likely an 
> Atmel, and likely not really a worry (should "just work"), but nice to know
> 
> I rolled back you edit from yesterday (re: cx23888 ... despite what the 
> inf states, it is readily apparent that its the cx23887 that is being 
> employed on the card)
> 
> 

Uploaded pictuers to the and information to the AVermedia M791 Combo OEM
TV Card wiki

the two audio ADC's
AVerMedia_M791-A_OEM_74HC4052D.jpg

there both the same

the eeprom
AVerMedia_M791-A_OEM_S24CS0.jpg







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