PCIe-8x usage on ASUS SLI boards

Martin Cracauer cracauer at cons.org
Fri Dec 16 14:25:30 PST 2005

O. Hartmann wrote on Mon, Dec 12, 2005 at 05:59:18PM +0100: 
> Hello.
> My question may be a little bit cranky, but having low cost server in
> mind it may be of relevance.
> Is it possible to use the second 8x SLI slot on ASUS A8n-SLI
> Deluxe/Premium as a normal PCIe-8x slot with SLI enabled?
> Server systems do not utilize high graphics throughput, so I can live
> with a PEG card in 8x mode. But it would be fine if I could use a
> 8x-lane SATA-II or SCSI RAID card in the second PEG slot with 8x-lane
> support.

In practice that should usually be possible.

In theory, a x16 slot is only required to serve x16 and x1 cards, a x8
slots most serve x8 and x1 but nothing in between is required.

Martin Cracauer <cracauer at cons.org>   http://www.cons.org/cracauer/
FreeBSD - where you want to go, today.      http://www.freebsd.org/

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