Results of jumpering:-

With CF card plugged in and HD with no jumper.
-Primary master is CF.  HD not detected.

With CF card plugged in and HD with Cable Select jumpered.
-Primary master is CF.  HD not detected.

With CF card plugged in and HD with Slave jumpered.
-Primary master is CF. Primary Slave is HD.
-By default CF is booted.
-BIOS command "boot 81" causes HD to boot, though FreeBSD can't mount slices 
because /etc/fstab
entries no longer match the device names.

So, I can now create my nanobsd image and put it on the CF card, though I'll 
have to do it on
another PC.  I should be able to boot it and access the HD once it has booted, 
which is where I want
to be.

thanks, Philip

On 27/11/2011 22:49, Philip wrote:
> Wim I think you found the answer, or at least part of it.
> 
> When I have only the HD the bios says that the HD is primary master.
> When I have the HD and the CF the bios says that the CF is primary master and 
> no mention of the HD.
> 
> The HD needs a jumper put on it to make it cable select, with no jumper it is 
> primary master.
> I don't have of those tiny laptop jumpers so I'll have to look on ebay or 
> something.
> 
> I guess that if I can boot from the CF with the HD as slave that's good 
> enough. I can create the
> image without the CF present, scp the image onto my desktop and then dd from 
> there using a usb
> adaptor, then put it in and boot it.
> 
> thanks, Philip
> 
> Wim Vandeputte Mailing list only wrote:
>> hey,
>>
>> On Fri, Nov 25, 2011 at 11:54:40PM +0000, Philip wrote:
>>> My net5501 currently runs from an IDE harddisk, however I would like to 
>>> migrate to a 4G CF card and use nanobsd.
>>>
>>> The problem is that if I put the CF card in the slot the net5501 won't 
>>> boot from the harddisk, which I need it to in order to copy the image 
>>> onto the CF card.
>>>
>>> I tried playing with "boot 81" from the bios, and "set flash=secondary" 
>>> but I still can't get to boot from harddisk.
>>
>> Set your IDE harddisk to 'cable select', it's the same jumper that does 
>> master/slave but it varies from brand on how to do it.
>>
>> Then you can use the BIOS setting to make the CF either master or secondary
>>
>> PS: post a screen capture of your BIOS where it detects the harddisk so we
>>     can see which one is recognised as master
>>
>> Wim.
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