[TOOLS] PCI-e versus PCI-e Graphic slots

[Lech Rzedzicki]

This will work and have worked for me.

http://www.redbooks.ibm.com/abstracts/tips0456.html see the table -
for x4 card you can use x4 x8 or x16 ports as long as the mechanical
retention holds it in place.

Lech

On Tue, Apr 15, 2008 at 8:35 PM, McLauchlan, Kevin
<Kevin.McLauchlan at safenet-inc.com> wrote:
> Hey, group,
>
>  I've Googled and I'm still not sure...
>
>  Our company makes a board that has a PCI-e x4 connection.
>
>  There are occasions when a person might use two of those cards in one
>  machine.
>
>  I'll need to try that configuration and document any peculiarities.
>
>  My old test box doesn't even _have_ PCI-e.  I'm looking to order a new
>  computer.
>
>  Most PCs that I see (and we're limited to ordering DELL...) have just
>  one ordinary PCI-e slot - usually PCI-e x4 or PCI-e x8 wired as x4 -
>  along with a couple of PCI-e x16 graphics slots.
>
>
>
>  Does anybody know of any reason why the second PCI-e card should not be
>  perfectly happy stuffed into an unused PCI-e x16 graphics slot?
>
>  Is anyone aware of anything - other than the additional 8 or 12 lanes -
>  that's different about the graphics slots?
>
>  I mean do they explicitly say "graphics" slot because they just want you
>  to know you can put graphics cards in there, or because you _must_ put
>  graphics cards and nothing else in there??
>
>
>
>  I ask this because at one point, our hardware guys were told that some
>  PC manufacturers or MB suppliers would not support anything other than a
>  graphics card in the slots designated for graphics. They didn't say it
>  wouldn't work, just that they "won't support".  (That's equivalent to
>  "no comment".   :-)
>
>
>
>  If I get the purchase approved, it'll be the last time for a while, so
>  I'd better not mess up by making unwarranted assumptions.
>
>
>
>  Any hardware gurus want to comment?  Anybody found just the exact
>  comparison on a reliable site?
>
>
>
>
>
>  Kevin  (lusting after some new iron)
>
>
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