Heya,

I can't add a lot to this discussion, but maybe ti helps a little bit.
This is a link to a page with info about pci-express and a comparison to
pci:
http://www.dell.com/content/topics/global.aspx/vectors/en/2004_pciexpress?c=us&l=en&s=corp

I found it a helpfull page.

Greetings,

Michel

> Jon Smirl wrote:
>> What bus interface is the card going to have? PCI is hopelessly slow
>> for graphics.
>
> It depends on what you are sending over the bus.  AGP was designed to
> rapidly access system memory so that it could be used for graphics
> memory.  Having a lot of memory on the video board tends to negate this
> need.  We could use 64 bit @ 66 MHz.
>
>> If you do AGP you also need AGP port support.
>
> It depends.  An AGP port can also function as a PCI port if we don't
> need the rapid system memory access.
>
>> PCI-express needs the PCI-express way of mapping VRAM into the CPU/GPU
>> address spaces.
>
> Is there a method that PCIe uses to access system memory that is
> different from PCI?  That is, does it have some method like AGP?
>
> --
> JRT
>
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