From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bas Mevissen <abuse@basmevissen.nl>
Date: Mon, 23 Aug 2010 13:06:55 +0200
Subject: [U-Boot] help with HP mv2120 debricking
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On Mon, 23 Aug 2010 09:19:05 +0200, "Miroslav Petricek"
<mirek@petricek.cz> wrote:

> And here it hangs. I wonder if there is any way hot to reset u-boot
> settings. I mean some interrupt the POST by some magic key from serial
> consoler or something.
> 

> Do you think there is any possibility to debrick my device?

If the U-boot configuration settings are stored at the top end of the
flash memory, you might try to shorten the highest address line of the
flash to the ground with a needle. Then U-boot will read a corrupted
environment and fall back to its defaults.

(try at own risk)

-- 
Bas