Re: PCI-X in Linux

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On Wed, Dec 22, 2004 at 01:45:04PM +0530, Shakthi Kannan wrote:
> Hi,
> 
> Thanks for your reply Greg,
> 
> On Tue, 21 Dec 2004 20:44:36 -0800, Greg KH <greg@xxxxxxxxx> wrote:
> > PCI X and PCI Express are very different things.  Which one do you want?
>  
> I thought PCIX and PCI-Express were the same.

No.

> I was _not_ referring to PCIE (PCI Extreme). Correct me if I am wrong.

PCI-E is PCI Express.

Please see the specs on the PCI Sig web site for the different details.

> Testing is for a PCI - Express card on a PCI-Express (Intel)
> motherboard on the PCI-Express slot. Running Red Hat WS with 2.4.19
> kernel.

2.4.19 is years old.  It does not have PCI Express support, but as you
have found out, it will support the basic pci functions of that device.

> "cat /proc/pci" displays the PCI - Express card detected on
> the PCI - Express slot. I only have PCI support in the 2.4.19 kernel.
> So, was wondering if there were any PCI-Express specific options in
> the recent kernels.

2.6 has support for PCI Express, no 2.4 kernel does.

Good luck,

greg k-h

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