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

Jonathan Ervine jon.ervine at gmail.com
Tue Mar 23 00:47:48 GMT 2010

On 23 Mar 2010, at 00:55, Luke Kenneth Casson Leighton wrote:

> On Mon, Mar 22, 2010 at 4:45 PM, Adam Gill <madallig at gmail.com> wrote:
>> Hello Jon,
>> I still have my CT-PC89E netbook here and I was talking with Luke earlier
>> today about the possibility that the switch on the so-dimm - if moved to the
>> other position, may be able to boot from the SD card if the correct u-boot
>> version is put on the SD card
> it's a hypothesis that needs testing.

Worth testing to find out.

>> - of which Frans knows which is the correct
>> version ....
> it was frans i believe who first did the dd if=/dev/mmcblk0p1
> of=/tmp/foo dump, the entire contents of which will have to be put
> into *exactly* the right place (exactly the same position) so i
> recommend a 2gb SD card for this, exactly the same size as the Sandisk
> NAND drive.
> so, jon, if you want to help trying that, it's utterly simple, and
> you... hey, actually, you could probably just copy the entire NAND
> onto the SDcard in _your_ machine: dd if=/dev/mmcblk0 of=/dev/mmcblk1
> make DAMN sure that's the right way round :)

I have a 2GB SD card, so I can prep this with a view to trying to restore to Adam's system. We'll have to organise a convenient time to do this. I've got a busy weekend coming up when computing won't exactly be high priority ...

Once the internal NAND is dd copied to the SD card is it expected that it should just 'boot', or would the three fingered salute be required?

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