*very* sluggish at 100Mb/s but OK at 10Mb/s??

simonc@child.demon.co.uk simonc@child.demon.co.uk
Thu Dec 23 13:51:18 1999

On 23-Dec-99 Polia, Michael wrote:
> In a nutshell, the Intel 82559 appears to have some defect that causes it
> to not set the TX descriptor completion bit for small (<80 byte) frames
> (see report attached).

Hmm, it looks as though you have wasted even more time than me on this :-(

> We have coded work-arounds for this but these work-arounds inevitably
> reduce the TX performance of this device.

Even so, does it run any better then the 10Mb/s that I have set it to at

Thanks for the report.

Simon Child