[Sugar-devel] Reminder please how to flash XO-1 NAND with soas05xo.iso

Peter Robinson pbrobinson at gmail.com
Tue Nov 17 04:39:56 EST 2009

On Tue, Nov 17, 2009 at 9:33 AM, Sean DALY <sdaly.be at gmail.com> wrote:
> Tomeu helped me with this at SugarCamp with the soas04xo image, but I
> didn't see what files were on his stick.
> I'd like to update an XO-1 to the soas05xo image, could someone please
> confirm this is the procedure? I'm confused that what should be an
> .img file seems to be an .iso file (found here:
> http://download.sugarlabs.org/soas/snapshots/2/ ).  I'm willing to
> update http://wiki.sugarlabs.org/go/Sugar_on_a_Stick/Installation/OLPC
> Option 2 section "More recent builds are better" if this is indeed the
> procedure.
> thanks,
> Sean
> **********************
> * Verify security is disabled (developer key valid). Boot into
> OpenFirmware ok prompt (hit Escape key - upper left with X - right
> after chime), type "disable-security"; response should be "No wp tag".
> Obtain key otherwise as described here (usually takes 24 hours):
> http://wiki.laptop.org/go/Activation_and_developer_keys
> * Verify firmware version is Q2E41 (
> http://wiki.laptop.org/go/OLPC_Firmware_q2e41 ). In Sugar, inspect
> Settings/About my Computer, alternatively boot banner above
> OpenFirmware ok prompt, or in Terminal Activity: "cat
> /ofw/openprom/model"
> * Remind XO-1 owner that all data will be completely erased. To back
> up existing nand image: "save-nand u:\my-nand.img" or "save-nand
> sd:\my-nand.img"
> * Shut down XO-1, insert USB stick or SD Card with soas05xo.iso file.
> Make sure battery is not discharged, better to have power plugged in
> * Boot to OFW ok prompt, type "copy-nand u:\soas05xo.iso" for USB
> stick or  "copy-nand sd:\soas05xo.iso" for SD Card
> * After nand is written, reboot.

That looks OK to me. You should have an img and a crc file so it looks
like the image for the XO wasn't generated correctly.


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