DragonFly BSD
DragonFly users List (threaded) for 2005-03
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Re: PCIX confusion

From: EM1897@xxxxxxx
Date: Mon, 14 Mar 2005 12:54:11 -0500

In a message dated 3/14/2005 10:23:14 AM Eastern Standard Time, David Rhodus <sdrhodus@xxxxxxxxx> writes:

>On Mon, 14 Mar 2005 09:50:01 -0500, EM1897@xxxxxxx <EM1897@xxxxxxx> wrote:
>> In a message dated 3/14/2005 9:34:49 AM Eastern Standard Time, Hummel Tom <tom@xxxxxxxxxxxxx> writes:
>> >> Again, more wrong theory. pciE 1x much slower
>> >> than pciX. I try. And what good is 4x or 16x
>> >> if not available?
>> >
>> >On most mainboards the agp slot is replaced by a pciE x16 slot,
>> >sometimes even 2.
>> >
>> >tom
>> Try to pay attention, Tom. There are no pci-E x16 Ethernet
>> cards.
>Last month HP sent an office I consult with a motherboard with 4 PCI-e
>16x slots along with two 10GigE PCI-e ethernet cards.
>Now that is why I would only buy motherboards with PCI-e on them now
>rather than PCI-X.  You guys keep sending out these emails saying that
>various people don't know what they are talking about when in fact you
>guys don't know jack.  This client is expected to get two more of
>these systems with a second version of the 10GigE cards just this
>week.  And you might ask what operating system are they going to run,
>well, that would be DragonFly. Why? Because outside of simulators,
>DragonFly is one of the few operating systems that can give 10Gig

So what are the model #s of this MB and the cards? What
 driver do these cards use? What copper gig cards are 
available, since most people can't use 10GigE interfaces? 
How are these x16 slots connected? I'd like to see test 
results you have to substantiate these 10GigE performance 
claims, since Matt wasn't surprised when my test showed
Dfly to be 15% slower than Freebsd 4.x.

I saw a car the runs on Xenon or something at a car
show. But it wasn't a real car, and its not terribly
practical even if it was. 

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