[Arm-netbook] Booting from SD card with switch on so-dimm in other direction ...

Luke Kenneth Casson Leighton luke.leighton at googlemail.com
Thu Mar 25 12:26:10 GMT 2010

On Wed, Mar 24, 2010 at 2:43 PM, Jonathan Ervine <jon.ervine at gmail.com> wrote:
> On 24 Mar 2010, at 19:16, Luke Kenneth Casson Leighton wrote:
>> On Tue, Mar 23, 2010 at 3:55 PM, Frans Pop <elendil at planet.nl> wrote:
>>> Maybe I'm missing something here, but what exactly in your description
>>> proves that it booted from the SD card instead of the Nand?
>> a combination of events, where yes you are correct there is one more
>> test that will nail it 100%.
>>> Are we really 100% certain that the conclusions are correct?
>> i tried without the SD card, some weeks ago: absolutely nothing happened.
>> jon tried _with_ the SD card ( as a direct one-to-one copy of the
>> NAND ) - boot equals success.
>> the ultimate confirmation is for jon to boot _his_ netbook without
>> the SD card, with the switch still set to opposite of factory-default.
> Booting with 3 buttons pressed and the SO-DIMM switch in the default (factory) position with a dd copy of the NAND on an inserted SD card results in a boot. Is it a boot from the SD card?
> No idea. It might be.


> No SD card message comes up at all - I've always had *some* SD card message come up when a card has been inserted and three buttons are pressed. I'll try deleting one or two of the partitions on the SD card and see what happens when I try the process again.
> Switching the SO-DIMM switch just leaves my system unbootable regardless of what is in the SD card slot.

 ok, then u-boot is in the wrong place.  try using the technique i
suggested in the previous message (dd with seek)

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