[vortex] problems w/3c59x on 3CCFE575BT

[Donald Becker]

On Sat, 21 Dec 2002, dean gaudet wrote:

> i've got a pccard which identifies itself thusly:
> 
> PRODID_1="3Com Corporation"
> PRODID_2="3CCFE575BT"
> PRODID_3="LAN Cardbus Card"
> PRODID_4="001"
> MANFID=0101,5157
> FUNCID=6
> 
> if i use the in-kernel cardbus support, and the 3c59x driver, there appear
> to be serious autonegotiation problems.  the card receives at an

What is the driver detection message?

> incredibly slow rate (less than 1Mbit/s) when plugged into a 100baseT
> switch.  it receives at approx 10Mbit/s when plugged into a 10baseT hub.

This usually indicates a transceiver selection problem, perhaps forcing
the transceiver selection to a non-existing type which results in a
non-autonegotiated 10Mbps connection.

> however, if i disable in-kernel cardbus support, and compile pcmcia-cs so
> that i can get the old 3c575_cb driver, the card functions quite
> respectably on the 100baseT switch (transfers at ~50Mbit/s with some
> bursts much higher).

The driver and 3c575 card should work at full line rate.  If it doesn't,
there is a probelm somewhere.

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