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> Hose All User Memory On Sl5600: How To?, How to completely wipe 5600 of old data
Windrose
post Feb 13 2006, 12:41 PM
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I'm a bit embarrassed to admit I don't know this, but how do I arrange to completely remove old user data, user installed program remnants, usw., from the memory of an SL5600? I thought I'd try one of Herr Hentges' special distributions, and I want to flash it to a completely "clean", so to speak, Zaurus.

If I try the contortionist Press-And-Hold-C-And-D-While-Pushing-Reset routine <http://www.oesf.org/index.php?title=System#How_do_you_flash_the_Zaurus.3F> I get the blinky lights thing apparently forever, but nothing seems to actually happen to the stored memory. If I select Format from the system update menu (after reset), nothing seems to actually happen. If I flash the appropriate Hentges ROM I get the usual slick install including his Blow_Everything_To_The_SD_Card setup (v. cute by the way), but Some Things Remain Behind. I know because I find programs that I'm fairly sure are not in the Hentges distro (such as Portabase) that I was trying out, and the Contacts database still has my personal contact info, which I'm also fairly sure is not in the Hentges distro.

So how do I make sure all that stuff is erased?
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iamasmith
post Feb 13 2006, 01:09 PM
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Probably the easiest way is to restore a complete factory default NAND flash image for the device.
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Greg2
post Feb 13 2006, 01:21 PM
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QUOTE(Windrose @ Feb 13 2006, 03:41 PM)
So how do I make sure all that stuff is erased?

In terminal do:
CODE
su
cd /home
rm -rf *


Greg
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xamindar
post Feb 13 2006, 02:34 PM
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reset it and turn it on while holding the ok button. Then in the service menu select "format". That's all you have to do!
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Greg2
post Feb 13 2006, 04:51 PM
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QUOTE(xamindar @ Feb 13 2006, 05:34 PM)
reset it and turn it on while holding the ok button.  Then in the service menu select "format".  That's all you have to do!
*

The format function in that menu will not work with OZ or the Hentges distros to format mtdblock3... which is /home.

Greg
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Windrose
post Feb 14 2006, 10:46 AM
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QUOTE(Greg2 @ Feb 13 2006, 04:51 PM)
QUOTE(xamindar @ Feb 13 2006, 05:34 PM)
reset it and turn it on while holding the ok button.  Then in the service menu select "format".  That's all you have to do!
*

The format function in that menu will not work with OZ or the Hentges distros to format mtdblock3... which is /home.
*



Right, that was the problem, I was going from an Oz installation to a Oz/Hentges installation, so the Format function did little or nothing. However the too-simple-for-these-complex-times solution of merely doing rm -rf to the contents of /home seems to work just fine, ta.

Also I apparently misspoke. Mistyped. Whatever. The T3 Hentges distro does include a copy of Portabase, so I shouldn't have been surprised that it was still there. Who knew? Now if someone would just recompile StageOne for OZ.

I swear that somewhere, somehow, I saw a nice web page on the SL5600 boot sequence and what gets mapped from ROM to where and how the built-in memory is mapped, but for the life of me I can't find it now. Though there is this nice piece done for IBM DeveloperWorks by Peter Seebach last December: http://www-128.ibm.com/developerworks/library/l-lobzaur.html .
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