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RE: Problems flashing MBX board with Redboot



On 12-Jul-2001 Smith, Timothy wrote:
> Having grabbed the images from http://sources.redhat.com/ecos/boards/redbootbins/mbx860/ for the
> MBX860 board (40Mhz, revision 31D I think) and then following the procedure outlined in the docs
> using the file redboot_ROM_40.srec
> 
> [   lo 0
> pflash 40000 60000 fc000000
> etc.   ]
> 
> to install the image in flash and then swapping J4 leads to the board doing *nothing*.
> 
> Using niop to transfer redboot_ROM_40.bin and then installing that in flash also leads to a non
> booting board. I've verified that the images are transferred okay and that the correct data has
> been written to flash. Originally the board had a vxWorks boot image and that worked fine.
> 
> What am I doing wrong?
> 
> I've also compiled the redboot image from source and tried all the other possible images from
> redhat also compiling them myself and none of those work. Another board was also used. I must
> have missed something.

Are you sure that you have a 40MHz board?  There's no way to tell programmatically
and RedBoot/eCos need to set up a number of things appropriately.  The 40MHz version
most likely will not run on a 50MHz board, nor vice-versa.


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