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From: Armando Ferreira <armando_ferreira@il.us.swissbank.com>
Date: Fri,  6 Oct 95 12:34:10 +0100
To: charlie_conklin@il.us.swissbank.com
Subject: Re: Help ! Problem with Ethernet card 
Cc: questions@freebsd.org
Reply-To: davidg@Root.COM
Sender: owner-questions@freebsd.org
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>
>
>Begin forwarded message:
>
>To: armando_ferreira@il.us.swissbank.com
>Cc: questions@freebsd.org
>Subject: Re: Help ! Problem with Ethernet card
>In-Reply-To: Your message of "Fri, 06 Oct 95 02:32:39 PDT."
><199510060932.CAA00266@corbin.Root.COM>
>From: David Greenman <davidg@Root.COM>
>Reply-To: davidg@Root.COM
>Date: Fri, 06 Oct 1995 02:47:39 -0700
>Sender: root@corbin.Root.COM
>
>>>>I am having trouble installing a Western Digital card on my PC.
>>>>
>>>>The configuration I used in to configure the kernel was
>>>>device ed0 at isa? port 0x300 net irq  5 iomem 0xCA000 vector edintr
>>>>
>>>>I changed the jumpers on the card to match the above irq and memory address  
>>>>configuration. and I get the following problem at boot time:
>>>>>>ed0: failed to clear shared memory at ca000 - check configuration<<
>>>>
>>>>Can you please tell me if there is something else to setup or if I have done  
>>>>something wrong ?
>>>
>>>   This usually indicates that there is another card in that shared memory
>>>area. Try the values 0xc8000, 0xd0000, and 0xd8000...and see if any of those
>>>will work for you. It's only necessary to change the kernel (no need to >>change
>>>the settings on the card for this).
>
>The jumper in the card has a position called 'soft', must I use this one to  
>ensure that I only have to change the kernel settings thereafter ?

   It's best to have the soft configuration match the kernel configuration. In
fact, you have to do this for the irq & port address. The shared memory is
programmed by the driver, however, so the card setting of that doesn't matter.

-DG