On Thu, Feb 03, 2000 at 11:23:45 -0800, Matthew Jacob wrote:
> >
> > I think the memory would come in handy on a heavily loaded system, since
> > you would gain a little extra time in case you were a little late servicing
> > interrupts. i.e. it would smooth out the bumps a little bit.
>
> Yes, but that's what having 8192 2KByte descriptors handy is for... (that's
> 16MB of buffering).
Are those all in card memory, or in host memory? What happens when you've
got some other traffic on the PCI bus, and the card gets a little behind
in DMAing its data into host memory?
> > If your PCI implementation won't keep up with gigabit speeds, you'll just
> > go slower. :) Most newer systems (e.g. 440BX) shouldn't have any trouble
> > doing a reasonable amount of speed over gigabit ethernet, though.
>
> Typically I don't see higher than 60 or 70MB/s real throughput on most
> systems.
I've seen 100MB/sec on Pentium II 450's (440BX), and 90MB/sec on Pentium II
350's (440BX).
Ken
--
Kenneth Merry
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