problem booting to NOR?

Michael Shiloh michael at
Wed Jul 23 17:40:55 CEST 2008

Al Johnson wrote:
> On Monday 21 July 2008, Steve Leung wrote:
>> Hi..  I hope someone can point out what I'm doing wrong.
>> I want to boot into my Freerunner's NOR to try flashing different
>> images, but I can't get it to work.  I've followed what's on the wiki,
>> and all I get is a brief pop or crackle from the speaker, and then about
>> 6 seconds later the red LED flashes very briefly.  The screen does not
>> light up.
>> I've tried all combinations of:
>> - USB connected/disconnected
>> - holding AUX/POWER for short and long periods of time
>> - releasing AUX or POWER first
>> - with/without SIM card installed
>> I'm assuming there should be some visual confirmation that I've booted
>> into NOR - if I plug in the USB cable after following the documented
>> process, the device boots normally.
>> I can get into NAND no problem, and the POWER and AUX buttons both work
>> fine during normal use.
>> Does this happen to anyone else?  Does this indicate some kind of
>> problem with the phone?  Would a debug board help fix this?
> I remember taking several tries to get it going initially, but now I can't 
> work out why I had trouble.
> Press Aux and hold
> Press Power and hold
> Hear tick from speaker
> See red light flash on Aux
> See uBoot screen
> Release buttons
> Timing doesn't appear to be much of an issue so long as the Aux button is down 
> when the power button is pressed. From pressing Power to uBoot screen is 
> between 1 and 2 seconds.

Steve, did Al's advice help?


More information about the community mailing list