[mythtv-users] Max number of recording cards in one backend?

[Michael T. Dean]

Nick wrote:

>On 8/16/05, Robert Kulagowski <bob at smalltime.com> wrote:
>  
>
>>Using a D865G (6 PCI slots) and PVR-500's you could do 12 on the PCI
>>bus.  Since I already have the D865G, if anyone wants to send me 6
>>PVR-500's I'll let you know how it works in MythTV / ivtv.
>>
>>:)
>>    
>>
>Unless the ivtv driver has changed, I'm sure there is a limit of 8 or
>9 devices imposed on the system, to stop it imploding under the weight
>to DMA transfers (that may now not be a factor, but I recalled reading
>something last year about it and thinking SWEET)
>  
>
 From ivtv_driver.h:

#define IVTV_MAX_CARDS 8

Used to be 9 (there was at least one person who was at least semi-active 
in development and needed support for 9 for a special-purpose system), 
but was recently (within the last year or 18 months) reduced to 8 to 
make coding easier.

Mike