Donald Becker wrote:
>
> > I have a 400MHz Celeron UP here which is running at 100% when sending 10
> > MBits/sec with an EISA card (cs89x0).
>
> Unless the cs89x0 driver is doing something unusual, or you application is
> CPU hungry, that sounds a little off. We could saturate a 10Mbps Ethernet
> with a 386.
I was a while ago.. I recall that the driver took half a millisecond to
write a 1 kbyte packet out over the EISA bus (PIO), and that this was by
far the dominating factor. Plus I had reduced the ISA clock a bit due
to bits getting dropped during DMA Rx into memory...
> > With a PCI NIC (3c905) it will do 100Mbits/sec at 60% CPU.
>
> Also high: you should be able to drive at least two, almost three, 100Mbps
> channels with a P5-100.
Does that include TCP and application overhead?
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