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Old 07-01-2011, 02:39 PM   #1
stef70
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Factory reset on the touch

This is question for the Kobo developers.

I know that it is possible to restore the factory settings by pressing the Home button while powering on the device. This is a very useful feature when hacking into the system.

I would like to know if that reset is performed by the booloader or by a linux process (nickel?). Simply speaking, can I brick my Touch if I messed up some of the linux startup files such as inittab or rcS?

S.
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Old 07-01-2011, 03:34 PM   #2
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Hey just wanted to say thanks messed my squilt file up if I had not come accross your post i would be stuck at the updating your firmware screen endlessly


regards

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Old 07-01-2011, 11:45 PM   #3
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Quote:
Originally Posted by stef70 View Post
This is question for the Kobo developers.

I know that it is possible to restore the factory settings by pressing the Home button while powering on the device. This is a very useful feature when hacking into the system.

I would like to know if that reset is performed by the booloader or by a linux process (nickel?). Simply speaking, can I brick my Touch if I messed up some of the linux startup files such as inittab or rcS?

S.
When the home key is pressed on power up, the second partition is loaded which performs a format of the first partition.

If you mess up the first partition then that should be fine.

Just don't mess up the second one.
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Old 07-02-2011, 03:26 AM   #4
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When the home key is pressed on power up, the second partition is loaded which performs a format of the first partition.

If you mess up the first partition then that should be fine.

Just don't mess up the second one.
Ok! That make sense. Thanks.

Ideally, I would prefer booting from the SD card. I found in u-boot.bin what seems to be the description of a boot entry for /dev/mmcblk1p1. I copied the internal root partition onto an SD card but that does not seem to work. Is there a trick here (such as changing the partition name)?
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Old 07-02-2011, 09:33 AM   #5
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Originally Posted by stef70 View Post
Ok! That make sense. Thanks.

Ideally, I would prefer booting from the SD card. I found in u-boot.bin what seems to be the description of a boot entry for /dev/mmcblk1p1. I copied the internal root partition onto an SD card but that does not seem to work. Is there a trick here (such as changing the partition name)?
Turning the device on while holding down the home key and actuating the power key will trigger a boot from the SD card.

The card needs to be specially formatted with a kernel placed at a particular offset for this to work.

The kernel and bootloader source haven't been released yet - it'll happen soon.

But FWIW, booting from the SD card is a real pain. If you want to hack, just change the startup scripts on mmcblk0p1.
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Old 07-02-2011, 10:34 AM   #6
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Quote:
Originally Posted by george.talusan View Post
Turning the device on while holding down the home key and actuating the power key will trigger a boot from the SD card.

The card needs to be specially formatted with a kernel placed at a particular offset for this to work.
Is this true for the Kobo Wifi too or is it different there?
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Old 07-02-2011, 10:42 AM   #7
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Is this true for the Kobo Wifi too or is it different there?
Different. There are threads on the forum about how to boot from an SD card.

A recovery partition on the Wi-Fi exists, but it relies on the desktop and functionality that was never built.
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Old 07-02-2011, 10:46 AM   #8
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Quote:
Originally Posted by george.talusan View Post
Turning the device on while holding down the home key and actuating the power key will trigger a boot from the SD card.

The card needs to be specially formatted with a kernel placed at a particular offset for this to work.

The kernel and bootloader source haven't been released yet - it'll happen soon.

But FWIW, booting from the SD card is a real pain. If you want to hack, just change the startup scripts on mmcblk0p1.
Hummm.. That seems a very dangerous method. If the power key is not properly used then you end up with a factory reset :-(

I'll stick with telnet and ftp for the time being.
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Old 07-02-2011, 05:30 PM   #9
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Different. There are threads on the forum about how to boot from an SD card.
Hm. I didn't find them then. What I found seemed to be about the original Kobo only. :-/
I'm guessing it needs to be a FAT formatted SD card instead of Ext3. But what else?
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