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SubjectRe: 3c509.c / Multiple cards problem
On Sun, 27 Aug 2000, Bruce J.A. Nourish wrote:

> I am having trouble with the Linux kernel 3COM 3c509 driver, version 2.2.16.
> I have two (ISA) 3C509B cards, and I cannot make them work. This is the output
> I get from loading the driver:
>
> eth0: 3c509 at 0x300 tag 1, 10baseT port, address 00 01 02 46 fa cc, IRQ 10.
> 3c509.c:1.16 (2.2) 2/3/98 becker@cesdis.gsfc.nasa.gov.
> eth1: 3c509 at 0x300 tag 2, 10baseT port, address 00 50 04 89 82 b4, IRQ 10.
> 3c509.c:1.16 (2.2) 2/3/98 becker@cesdis.gsfc.nasa.gov.


> I think the problem is that the cards are being allocated the same IRQ and
> IO.

The driver uses the EEPROM preferences.
This can be overridden, but only if you use a more recent driver:
http://scyld.com/network/3c509.html

An alternative is using the setup program to change the preferences on one
of the cards
http://www.scyld.com/diag/index.html


Donald Becker becker@scyld.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Beowulf-II Cluster Distribution
Annapolis MD 21403

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