Re: Can't reach the Gigabit barrier

[Judd Tracy <jtracy@ist.ucf.edu>]

You also have to remember that you only have 32bit pci, so you will 
never acheive anything close to full speed with your current motherboard.

Judd Tracy

Roberto C. Sanchez wrote:

> Steve Ramage wrote:
>
> > I have a small server at the specs are as follows
> >
> > Duron 900
> > Gigabyte GA-7ZM
> > 512 MB PC133 SDRAM
> > 1x 120 GB HDD
> > 1x 200 GB HDD
> > Two networks cards:
> > 1x D-Link DE-528TX (10 Mbps)
> > 1x Intel Pro/1000 MT Desktop Adapter (1000 Mbps)
> > I just added the Intel Pro/1000 adapter, as a replacement to an older
> > D-Link DFE-538TX ( 100 Mbps)
>
> <SNIP>
>
> > If I run: ping -f -s 60000 172.27.2.27 from the three machines and
> > target my Windows machine, the other machine with a 1 Gbps card, I can
> > get about 45%, usage out of the network, according to windows, so the
>
> <SNIP>
>
> Have you considered that with a low end 900 MHz and slow FSB (133 MHz)
> that you are going to have a hard time filling a Gigabit pipe?  Think
> about it.  Gigabit represents ~125 MB/s.  I have a similar low-spec
> machine and have a hard time getting more than ~70 MB/s across the PCI
> bus.
>
> -Roberto
>
> --
> Roberto C. Sanchez
> http://familiasanchez.net/~sanchezr