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Sensation ! We have found a method to restore dead Bootloader for Atom Exec

OP alex_beda

12th October 2007, 09:41 AM   |  #1  
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Sensation !!!!
We have found a method to restore dead Boot for
Atom, Atom Exec, Rover G5, Orsio n725, HP6815 (may be the all 68xx series).
We found JTAG and developed the recovery technology!
FAQ is translating from Russian and will be written.
Autor's Alex_Beda & 1stMASTER
--------------------------------------

Manual to restore dead BootLoader
Atom, Atom Exec, Rover G5, Orsio n725, HP6815 (may be the all 68xx series).

© Copyright to Alex_Beda & 1stMASTER
PDA-HACK.NET Team http://pda-hack.net
If our article has helped you, you can donate the Web Money
WMID 378286389551
for WMZ: Z396747110007
for WME: E114645323227
for WMR: R351032339900



Thanks to all who helped.
Thanks to Winterice for the technical assistance and moral support.
Thanks to ant 125 for useful information
Thanks to Allbest, deniska.75, Borozavr, Erke for moral support.


Symptoms:
The device is not switching on, not entering bootloader.
(most often after the firmware from a memory card)
React to connect charger.
if the battery insert and connect charger, it orage led must be lit .
if the battery remove and connect charger, it orange led must be flashing.
There is only one way for restore bootloader.
Reflashing flash memory in the PXA272 using JTAG.
This procedure consists of two parts.
Hardware (making cable for reflashing) and software (reflashing).

Hardware part:

This pinouts JTAG of Atom Exec, Rover G5, Orsio n725, O2 Atom, O2 Atom Exec
At O2 Atom (not Exec) is the only internal contacts. Located near the Camera button.


There are contacts inside the device, near the buttons CAMERA,
for access them, you need to open device.
There are contacts from the outside, near the SIM connector.
All contacts is working
For inside contacts need this connector
http://i218.photobucket.com/albums/c...eda/raz012.jpg
You can so using connector from floppy drive 5.25”. (autor vic180)
http://i218.photobucket.com/albums/c.../PICT0267-.jpg
http://i218.photobucket.com/albums/c.../PICT0262-.jpg
LPT connector for PC
http://i218.photobucket.com/albums/c..._beda/LPT1.jpg
Cable length of a 35-40 sm
This connector for outside contacts
Result connector from connector for floppy drive 5.25"
http://i218.photobucket.com/albums/c..._beda/raz1.jpg
http://i218.photobucket.com/albums/c..._beda/raz3.jpg
http://i218.photobucket.com/albums/c..._beda/vid2.jpg
for fixation connector need make this
Or other
http://i218.photobucket.com/albums/c.../kreplenie.jpg
http://i218.photobucket.com/albums/c...a/vidkrepl.jpg
http://i218.photobucket.com/albums/c...da/vidobsh.jpg
Software part.
http://wiki.xda-developers.com/uploa...BootLoader.zip
In attached file is the programm JFlashmm,
in the same directory BOOTLOADER from АТОМ ЕХЕС (ebo_a.nb0) from First Firmware,
and driver the giveio needed for working cable.
If you have O2 Atom (not ЕХЕС), it must be in the folder jflash_mm Deleted file ebo_a.nb0,
copyng the file boot.nb0 from O2 Atom firmware in the jflash_mm folder and renaming this file in ebo_a.nb0.

Before connecting LPT connector , you want to press and hold
micro button near to the sim connector.
http://i218.photobucket.com/albums/c...eda/knopka.jpg
For example: sticker on the button.
Ground from LPT connector, connecting on ground the device
(using the crocodile connector)
http://i218.photobucket.com/albums/c...eda/ground.jpg
Connect cable to LPT port of PC.
Connect charge to the device
Orange LED is blinking.
If LED not blinking,
Check pressed the micro button.
check fixation the button.
Installing the driver giveio from attached file.
Now you can restore BootLoader.
BootLoader needs to be restored in two places.
Need boot flashing to adress 0 and address 3f400.
In folder jflash_mm there is a file start.bat.
Inside this file:
jflashmm pxa27x32 ebo_a.nb0 P 0 PAR
jflashmm pxa27x32 ebo_a.nb0 P 3F40000 PAR

So file ebo_a.nb0 (boot from атом exec) will be flashing in two places,
To adress 0 and adress 3f40000, data send to parallel port.
Execute start.bat, if all right , you correct making cable,
it must detect processor.
If message screen on "file *.DAT not find", press Soft Reset.
the program will ask you «bla-bla-bla» Y/N? Press Y

-------
JFLASH Version 5.01.007
COPYRIGHT (C) 2000 - 2003 Intel Corporation
PLATFORM SELECTION:
Processor= PXA27x
Development System= Mainstone
Data Version= 1.00.002
PXA27x revision ??
Found flash type: 28F256L18B
Unlocking block at address 0
Erasing block at address 0
Unlocking block at address 10000
Erasing block at address 10000
Unlocking block at address 20000
Erasing block at address 20000
Unlocking block at address 30000
Erasing block at address 30000
Unlocking block at address 40000
Erasing block at address 40000
Starting programming
Using BUFFER programming mode...
Writing flash at hex address 3fe80, 99.85% done
Programming done
Starting Verify
Verifying flash at hex address 3ff68, 99.94% done
Verification successful!
------------
So too for the second time in firmware to address 3f4000
You can disconnect charger and cable.
Enter bootloader :
Press Camera button, insert battery and press Soft Reset.
If everything was done correctly, it bootloader is running!!!
Now, as usual (almost)
Connect the device to PC.
Run update firmware for you device.
Must go update firmware.
If all right, it .......
Operation system update, bootloader update,
Running update ExtROM, but, it should freezes at 6 %!!!!
Disconnect usb cable from device, Enter Hard Reset!!!
Device must switch on, calibrating touch screen etc.
Run again update firmware for you device.
© Copyright to Alex_Beda & 1stMASTER
Last edited by alex_beda; 9th December 2007 at 11:51 AM.
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12th October 2007, 10:33 AM   |  #2  
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Also, you might want to list the hardware we need so we can go look for it.
12th October 2007, 02:01 PM   |  #3  
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Quote:
Originally Posted by Ultimate Chicken

Also, you might want to list the hardware we need so we can go look for it.


Need 4 resistors 100 Om, LPT connector and
old cable for the floppy drive 5.25 ".
Last edited by alex_beda; 12th October 2007 at 07:24 PM.
12th October 2007, 02:11 PM   |  #4  
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This is a great fine. Once you have finalized this one. Please post it in the WIKI. I have constantly updated it with relevant information for our device.
12th October 2007, 10:39 PM   |  #5  
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Coola

thnx for this guys....i didnt flash my atom yet because i was afraid of the boot loader problems i ve read in here.now there is no need to worry
13th October 2007, 08:17 AM   |  #6  
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Quote:
Originally Posted by greekfragma

Coola

thnx for this guys....i didnt flash my atom yet because i was afraid of the boot loader problems i ve read in here.now there is no need to worry

The Atom never had a problem with the bootloader. Its the Atom Exec that has it. Also, the solution the common problems with the Atom upgrading has been posted in the Wiki already.
13th October 2007, 03:25 PM   |  #7  
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thnx for the fast reply jiggs and sorry for the mis-writing of my post......i have atom exec and i wrote atom just to shorten my post.sorry again for the mess



keep walking mate.u are doing marvelous job in here
13th October 2007, 04:05 PM   |  #8  
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oh finally there's solution..i have a dead bootloader o2 ATOM..and service center said i have to replace my BOARD..and it will cost a lot..

keep it up..bro..

thankz..

-=[serialzs]=-
14th October 2007, 08:54 AM   |  #9  
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I dont have the O2 Atom and I dont access to the O2 Atom.
The technology will be one, but other pinouts contact (may be)
Last edited by alex_beda; 14th October 2007 at 09:50 AM.
14th October 2007, 09:48 AM   |  #10  
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Exclamation
The time is dancing!!!
Tehnology is working on O2 Atom, O2 Atom Exec, Rover G5, Orsio n725.
TESTED !!!
Last edited by alex_beda; 14th October 2007 at 12:16 PM.

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