[Cialug] OT: Gigabit speeds (was Gigabit NICs)

[Nathan C. Smith]

Some of the recent mini-itx boards have multiple embedded Ethernet
chips/ports and are now running at 1+ GHz speeds.

http://www.logicsupply.com/product_info.php/cPath/78_93/products_id/611

They also have a selection of Pentium M boards that might be more to your
liking:
http://www.logicsupply.com/index.php/cPath/78_75



-Nate

> -----Original Message-----
> From: Jonathan Bailey [mailto:jbailey at co.marshall.ia.us] 
> Sent: Tuesday, November 14, 2006 2:36 PM
> To: 'Central Iowa Linux Users Group'
> Subject: RE: [Cialug] OT: Gigabit speeds (was Gigabit NICs)
> 
> 
> On a slightly related topic... Any suggestions for a 
> board/NIC combo that can do line speed that is decently 
> cheap? We're looking at using a setup to do routing, but want 
> off the shelf parts. PCI-X is what we need, but we don't need 
> multi-ghz CPUs to do the job..
> 
> 
> Jon 
> 
> -----Original Message-----
> From: cialug-bounces at cialug.org 
> [mailto:cialug-bounces at cialug.org] On Behalf Of David Champion
> Sent: Tuesday, November 14, 2006 1:46 PM
> To: Central Iowa Linux Users Group
> Subject: Re: [Cialug] OT: Gigabit speeds (was Gigabit NICs)
> 
> Here's a pretty good explaination of it...
> 
> http://www.karbosguide.com/hardware/module2c3.htm
> 
> Standard 33mhz, 32 bit PCI has a max bandwidth of 132MBps. 
> This mentions that PCI-X (133mhz 64 bit) should have 1GBps 
> bandwidth. That's quite a big difference.
> 
> Another thing to remember is that depending on how your 
> chipset works and what devices you're using, you may be 
> sharing the PCI bus with a lot of other devices, like sound, 
> usb, firewire, video...
> 
> -dc
> 
> Nathan C. Smith wrote:
> > I wonder if you could ever really approach a gigabit from 
> any machine. 
> > Anybody have any concrete data?
> > 
> > We did some multicast imaging of desktop machines with gigabit
> > adapters and hit over 100 mb/s (106 iirc) and I thought that was 
> > excellent.  The only way I could imagine going faster would 
> be direct 
> > from memory but then there is the lousy desktop bus.
> > 
> > I seem to recall some gigabit adapters have their own 
> Southbridge, or
> > node on some motherboards.  What is the speed of a PCI or 
> PCI/x bus like?
> > 
> > -Nate
> > 
> >> -----Original Message-----
> >> From: Aaron Porter [mailto:atporter at gmail.com]
> >> Sent: Tuesday, November 14, 2006 12:18 PM
> >> To: Central Iowa Linux Users Group
> >> Subject: Re: [Cialug] Gigabit NICs
> >>
> >>
> >> On 11/13/06, jcbailey at code0.net <jcbailey at code0.net> wrote:
> >>> Other than that, the PRO/1000s sound great so far. We can
> >> get them for
> >>> $31 from CDWG so it isn't too bad of a deal.
> >> Those look like the desktop adapters. Depending on what you're
> >> looking for, they might be a good fit but you won't be 
> able to push a 
> >> full gig/sec. No complaints about drivers/stability/compatability 
> >> though.
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> 
> 
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