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PCI Express Card Confusion
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Author:  CBick [ Sat Apr 14, 2012 8:59 pm ]
Post subject:  PCI Express Card Confusion

Expansion Slots:
Slot 1: PCI-Express Gen 2 x16 connector with x16 link
Slot 2: PCI-Express Gen 2 x1 connector with x1 Link
Slot 2-2: PCI-Express x4 slot for optional management card


Above is a list of the expansion slots on my HP Proliant N40L MicroServer.
I have installed an eSata card in slot #2 of the MicroServer.
I now want to install either a USB 2.0 or USB 3.0 in slot #1 but (I really only need USB 2.0 but, USB 3.0 would be ok, as long as, it is backword compatible with USB2.0)
I am really confused on which one to order.
Newegg is not clear on if a card is PCI-Express Gen 2 x16 connector with x16 link or not.

Would someone be so kind, as to let me know which one to order?
Do they even make a USB 2.0 card for this slot?

Regards
Chris

Author:  CBick [ Tue Apr 17, 2012 7:22 pm ]
Post subject:  Re: PCI Express Card Confusion

I figured it out.

Any PCI-e card will work as long as it is smaller than the slot.

16 times slot can hold 1,2,4,8,or 16 times card.

I learn something new each day.

Author:  cubanblood [ Thu Apr 19, 2012 7:40 am ]
Post subject:  Re: PCI Express Card Confusion

Ok. What? So i can install a PCI Express x1 on a 16?

Author:  helrazr [ Thu Apr 19, 2012 7:54 am ]
Post subject:  Re: PCI Express Card Confusion

cubanblood wrote:
Ok. What? So i can install a PCI Express x1 on a 16?


Yes

Author:  CBick [ Thu Apr 19, 2012 2:56 pm ]
Post subject:  Re: PCI Express Card Confusion

It also appears that some PCI-e slots, are opened ended, allowing for of use a 16X card in an 8X slot.

The only catch is that a 16X card in an 8X slot will only run at 8X speed.

Or at least, thats the way I read it.

Author:  Mr B [ Thu Apr 25, 2013 3:42 pm ]
Post subject:  Re: PCI Express Card Confusion

Fur future reference, yes, that is correct.
B!

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