[linux-dvb] DVB-T card for PCI-X

Christoph Anton Mitterer cam at mathematica.scientia.net
Fri Sep 30 22:59:24 CEST 2005


Jon Burgess wrote:

> Christoph Anton Mitterer wrote:
>
>> Oh,.. thats bad,.. uhm is this sure? As I told my board hast 3 PCI-X 
>> slots (2 with 100MHz and 1 with 133MHz) and one conventional PCI slot 
>> (33MHz). I think the PCI and the PCI-X buses have each their own 
>> controller.
>> But if you're true and the wohle buse runs at the spead of the 
>> slowest card, that would imply that if I'm using one of the two 
>> 100MHz slots (with 100MHz PCI-X cards) than I wouldn't be able to use 
>> the 133MHz in the 3rd slot.
>
>
> Not quite, according to the info on the motherbaord:
>  • Two independent 64-bit PCI-X buses
>      - Slot 4 & 5: PCI-X 100 MHz max. (Bridge B)
>      - Slot 6: PCI-X 133 MHz max. (Bridge A)

Oh,.. yes,.. you're right... *embarrased* and that although I read the 
manual yesterday (when I put the new PC together) - did I mention how 
great my new PC is? Two DualCore Opterons,.. ahhhh


> If you plugged the card into a 100MHz slot it should only effect the 
> other 100MHz slot, the 133MHz slot is independant.
>
> arstechnica.com does a decent job of comparing PCI/PCI-X & PCIe here
> http://arstechnica.com/articles/paedia/hardware/pcie.ars/1

thx :)



cam.
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