[tulip] CNet Pro200

[Donald Becker]

On Wed, 5 Sep 2001, Grahame Jordan wrote:

> I have many CNET Pro200WL  ethernet cards. Davicom DM9102 chipset.  I am
> using the dmfe driver but unfortunately the performance is pitiful.
> Have tried setting to mode=1 ( Half duplex ) and mode=5 (full Duplex).
> The speed is about 0.25MBps.  However if I use an intel eepro100 the
> speed is 10MBps.

Are you getting any errors?

Read the dmfe.c code.  Pay particular attention to the packet CRC
calculation.
You'll see why I won't put that work-around into the regular Tulip driver.

> Does anyone know if this is a characteristic of the card or is it the
> driver?  Will the tulip driver work with this card? The one out of the
> box does not. RH6.2.  We are using kernel 2.2.16.

The v0.92 Tulip driver will work, just not very well.  I recommend using
the dmfe.c driver -- preferably a recent one.

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
Annapolis MD 21403			410-990-9993