[Leaplist] Time for a new machine

William A. Mahaffey III wam at HiWAAY.net
Mon Mar 12 20:07:51 EDT 2007


tonyb wrote:

> I'm looking to put a new system together and have a few questions.  Is 
> anyone running gigabit ethernet and actually getting gigabit 
> performance out of the network?  If so, which card and chip set are 
> you using. Conversely, if you're not getting gigabit performance, let 
> me know what to avoid.
>
> I'm considering a Nvidia 7300GT video card. 
> http://www.newegg.com/Product/Product.asp?item=N82E16814122008
>
> I need it to drive two monitors running 1600x1200 each.  I've looked 
> at the specs and its not clear to me:  Do I need two cards running in 
> SLI mode to do this?
>
> Thanks in advance,
>
> Tony


We are running gigabit betwixt 2 boxen at work, both Linux, & get about 
350-400 mbit performance. YMMV, of course. The specific cards elude me 
just now, 1 is an onboard gigbit controller on an Asus P4P800 board & 
the other is a D-Link PCI card (which might explain the slowish 
performance, since a gigabit card will saturate a 32-bit PCI bus). Speed 
was judged both by using dd w/ /dev/zeros to bang out large files across 
the LAN & by timing large-ish tar-backups across the LAN. We added the 
PCI card cuz the onboard gigabit controller wasn't recognized by FC6 
(Asus C2D board, ~$125.00 at newegg, specifics elude me (again :-( ) ). 
The switch used is at least as important a consideration for good LAN 
performance ....

I have never seen much better than about 1/2 of spec. speed (maybe 60-65 
mbit) out of 100 mbit, FWIW :-) ....

$0.02, no more, no less ....

-- 

	William A. Mahaffey III

 ----------------------------------------------------------------------

	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                           -- Gen. George S. Patton Jr.



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