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+  Rockbox Technical Forums
|-+  Third Party
| |-+  Unsupported Builds
| | |-+  Sansa e200: ReverseBL Build
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Author Topic: Sansa e200: ReverseBL Build  (Read 27679 times)

Offline digerati1338

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Sansa e200: ReverseBL Build
« on: April 08, 2007, 12:10:46 PM »
This build is a reverse bootloader that boots the original firmware (OF.bin) by default.  To boot rockbox, hold down the left button while booting.

Installation
See http://e200.digerati1338.googlepages.com/reversebl
« Last Edit: December 30, 2007, 10:50:43 PM by digerati1338 »
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Offline d3nn1as

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Re: Sansa e200: ReverseBL Build
« Reply #1 on: April 22, 2007, 05:17:35 AM »
This will break your original sansa firmware, and empty the version.txt file in the recovery mode.

Don't use it.
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Offline chrisjs169

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Re: Sansa e200: ReverseBL Build
« Reply #2 on: April 22, 2007, 05:05:39 PM »
Tested build, and it does work as advertised.  When booting, goes to OF by default, and can access RB by holding |<<.  However, inserting USB cable before booting boots into RB, not the OF (tries to 'use' |<< thinking it's loading the OF maybe?)

d3nn1as: are you sure you had Rockbox installed?
« Last Edit: April 22, 2007, 05:07:53 PM by chrisjs169 »
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Offline digerati1338

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Re: Sansa e200: ReverseBL Build
« Reply #3 on: April 23, 2007, 09:59:00 AM »
Like I said it has been tested.  I know the fix for that USB bug since I needed to use it for my MultiBL over at AnythingButIpod.  I should have a new version of this up soon that will fix that bug.
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Offline digerati1338

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Re: Sansa e200: ReverseBL Build
« Reply #4 on: April 28, 2007, 10:00:10 PM »
The USB bug has been fixed as of 4/27/07.  I just released a new version based on updated SVN, though I'm not sure anything besides the bug fix changed.
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Offline PID

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Re: Sansa e200: ReverseBL Build
« Reply #5 on: April 29, 2007, 05:22:25 AM »
Same thing happened to me as d3nn1as, Empty Version .txt in recovery mode.  :-\

Yes rockbox was working, no I didn't do anything other than place the .mi4 on the root of my sansa e250. Broke my original firmware. Had to get original .mi4 and .rom to recover the sansa back to default state. Take care with this e250 owners. Can anyone confirm this working on an e250 ?? I'd really like |<< for rockbox too.
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Offline digerati1338

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Re: Sansa e200: ReverseBL Build
« Reply #6 on: May 04, 2007, 11:57:06 PM »
I'm a bit concerned over 2 people reporting a similar bug.  I've tried every build of this I've released multiple times and it works fine on my e260.  I can't seem to duplicate your symptoms.  

Could you describe exactly what you did?  

I would also make sure you have a correctly decrypted OF.bin file and SVN rockbox.
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Offline Eli

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Re: Sansa e200: ReverseBL Build
« Reply #7 on: May 07, 2007, 09:44:35 AM »
Tell me please: what version of original firmware is your loader based on?
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Offline PID

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Re: Sansa e200: ReverseBL Build
« Reply #8 on: May 10, 2007, 08:18:59 AM »
Oops my BAD.. I didn't have a properly decoded OF.bin in the system folder.  :-[

Works correctly upon making my own OF.bin. Good work.
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Offline digerati1338

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Re: Sansa e200: ReverseBL Build
« Reply #9 on: May 11, 2007, 07:06:23 PM »
I am pleased to hear that it works for you.  

Eli: it is not based on any original firmware.  It will simply load the firmware stored in OF.bin.  I believe sansapatcher puts this there for you.  If original firmware is updated, OF.bin should be updated to reflect that.  The loader will work properly with any firmware, including themed firmware.

Does anyone know how to tell if the SVN bootloader files have changed?  I would like to try to keep this on track with SVN, but I don't think the files change that often.  I suppose it doesn't make a whole lot of difference unless there are major bootloader changes.
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Offline adscorp

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Re: Sansa e200: ReverseBL Build
« Reply #10 on: May 12, 2007, 06:59:43 AM »
Thanks a lot for posting it.. It was very good.. No need to hold down the button every single time :D
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Offline Tbull727

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Re: Sansa e200: ReverseBL Build
« Reply #11 on: July 29, 2007, 10:06:03 PM »
guys i have the problem cant fin original. Plz give me instructions how to fix... fast
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Offline Tbull727

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Re: Sansa e200: ReverseBL Build
« Reply #12 on: July 30, 2007, 10:21:37 AM »
I figured it out but still cant get reversebl to work ut my original firmware is now replaced through recovery mode!!!

Need step by step instructions. All I did is follow above instructs and it screwed mine up too.
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Offline hiho3000

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Re: Sansa e200: ReverseBL Build
« Reply #13 on: October 30, 2007, 12:08:29 PM »
sry my fault
« Last Edit: October 30, 2007, 12:29:57 PM by hiho3000 »
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Offline RaulDue

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Re: Sansa e200: ReverseBL Build
« Reply #14 on: November 14, 2007, 06:44:53 PM »

!!!!   PLZ upload file again link broken  !!!!

Question: IS THERE  PROBLEM WITH 250 or NOT and what is OF.bin ?

Thx
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