[coreboot] unbricking an Acer CB5

John Lewis jlewis at johnlewis.ie
Mon Sep 14 22:16:11 CET 2015


>> Yes, u37 looks like it.
> 
> thank you so much for your helpful advice! I'm up and running again and 
> very
> happy.
> 

No problem.

> For the record: I put what I did for my specific model on
> http://opensource.holgerbrunn.net/debian-on-acer-cb5#unbricking
> 
> I seem to have done something stupid when shorting the three pins 
> supposed to
> be connected to 3.3V, this didn't work. But when I disconnected the 
> first pin
> and connected the other to the second 3.3V on the PI, the chip was 
> recognized.
> Is it safe to propose the same to other people or was it beginner's 
> luck I
> didn't damage anything with this wiring?

No, generally you don't need to short the 3 pins. In fact the second 
3.3v you connected may not have been necessary either. I haven't damaged 
any of the Chromebooks I've had doing that, and I must've had about a 
dozen at this stage.

> 
> Regards,
> Holger

Regards,

John.



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