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Question 3c589d: 10baseT link beat problems 

Forum: 3Com PCMCIA Ethernet Adapter Issues
Date: 1999, Dec 17
From: Wolfgang Löffler loeffler

For some time now I have problems with my 3c589d which worked perfectly fine until some weeks ago (when I upgraded the kernel, PCMCIA and installed ppp).

When I insert the card, it does not recognise the media type (10baseT) and the network does not come up --- most of the times.

	eth0: 3Com 3c589, io 0x300, irq 3, hw_addr 00:60:08:B3:4B:11 
	8K FIFO split 5:3 Rx:Tx, auto xcvr 

Sometimes, the network comes up, but then the card loses the link beat within a few seconds and switches to 10base2.

	eth0: 3Com 3c589, io 0x300, irq 3, hw_addr 00:60:08:B3:4B:11 
	8K FIFO split 5:3 Rx:Tx, auto xcvr 
	eth0: flipped to 10baseT 
	eth0: lost link beat 
	eth0: flipped to 10base2 

Sometimes, everything works fine.

	eth0: 3Com 3c589, io 0x300, irq 3, hw_addr 00:60:08:B3:4B:11 
	8K FIFO split 5:3 Rx:Tx, auto xcvr 
	eth0: flipped to 10baseT 

If the card has once recognised the media type correctly and not lost the link beat within the first minute, everything will work fine for hours even if I remove and re-insert the card.

Specifying IF_PORT="10baseT" in network.opts does not help. The NE2000 compatible Dayna Communiacard adapter works fine. Hooking up the machine directly to the hub does not help. Changing the IRQ does not help.

Any ideas on what's going wrong here?

Wolfgang

Kernel: 2.2.13 PCMCIA: 3.0.8 -- 3.0.14; 3.1.7

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1. More 3c589D-TP (is "TP" the problem?) by Wolfgang Löffler, 2000, Jan 05

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