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Todd Vierling wrote:
> On 2/20/07, Thomas E. Spanjaard <tgen@netphreax.net> wrote:
>> I'm left wondering what use PCI64/66 is there then? Sure, there are SoCs
>> with PCI64/66 buses (Intel/Marvell?), but I haven't seen any solution
>> where they offer that as PCI slot, save a couple of development boards.
>> Is that perhaps what you're referring to?
> For a card with a bus interface of that type, I'd hope that the card
> is typical PCI64 in that it will work properly in 3.3V PCI32 slots.

Or better yet, if it's universal, 5V as well.

> That aside, yes, I would expect that some embedded systems will start
> to grow 64-bit PCI over the next few years, but it seems a bit further
> off before we see Intel or AMD pushing the power consumption of their
> high-end CPUs really far down.  (Yeah, batteries in the newer dual
> core laptops are suffering, but "who cares" in their eyes?  ;)

I expect them to switch to PCIe, as that has the added bonus of less 
wiring to cater for on your PCBs. The newer Intel IOPs have PCIe links 
besides a PCI-X bus as well, iirc.

Cheers,
-- 
         Thomas E. Spanjaard
         tgen@netphreax.net

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