How to create a backup of Toshiba e570 (Maestro) ROM and restore it back.

Warning: This page is not responsible for any damage, mis-configuration or lose of data  in your PDA due to the use of the information, tips and/or tricks provided here. 

First of all, I have to say that I have not created this procedure, I just put together all pieces for the information I found in BrightHand forum about this topic. I have to thank Thomas Wolfram from https://lesswire.info/genio for creating the procedure and the tool to make this possible.

How to create a backup copy of your ROM 

(portions courtesy of https://lesswire.info/genio)

·         OSLoader can be downloaded here.

OSLoader doesn't support saving to a memory card, but it allows to save the 32MB of the ROM in 8 chunks of 4MB each which can be copied separately to a memory card or directly to the PC.

 

Copy OSLoader over to the e740 and run it. Go to

Tools -> Flash -> 32MB Save to files....

Tap OK on the warning message and it will save the first 4MB chunk. Then it will stop and you can copy the first segment over to your memory card or PC. OSLoader saves each segment in the root directory -  \ (My Device) and not in \My Documents. OS loader will prompt you to press OK when you are ready to save the next segment.  If your device is low on extra RAM, you should copy the segment out of the root directory to another location for later use. You can switch over to File Explorer and save the current segment in the desired location, or you can copy the file using Explorer from your PC.  Once you have saved the segment you can delete it on the E740 to make room for the next portion. Then press 'OK' to save the next chunk. Repeat this until you have saved all 8 chunk files on your PC.

Note: always tap the 'OK' button only once even if you doesn't see any response. The program buffers all taps on OK and therefore would not stop after saving the next chunk.

The saved 8 files contain a complete uncompressed binary image of the ROM and need to be combined to be useful. Open a command prompt window from the Start menu on your PC and combine them into one big file by typing (cut and paste works too) on a single line the following:

copy /b flash_00000000.bin + /b flash_00400000.bin + /b flash_00800000.bin + /b flash_00c00000.bin + /b flash_01000000.bin + /b flash_01400000.bin + /b flash_01800000.bin + /b flash_01c00000.bin /b ROM_Image.ppcrom

You must type the whole command on a single line. Or copy & paste this line into a single line batch file and execute it. In any case the resulting file ROM_Image.ppcrom should have exactly 32MB (33,554,432 bytes) afterwards. You can compress it again if you like. Copy it to a safe place somewhere on your PC.

How to restore (reflash) your ROM (a CF reader is needed)

1-Download this program called PocketROM and installed it in your PC.

2- Open the ROM_image.ppcrom with PocketROM

 

 

3-Select click on the row that contains the rom image.

 

 

4- Go to file and select Write to CF card, be sure that you have your CF card reader selected, them select the drive for your CF reader and hit OK.

 

 

You need a CF card big enough to hold the whole 32MB ROM image file. Actually it has to be somewhat bigger, it is 32MB + 512 bytes for some additional data. That makes 33,554,944 bytes. Many (so-called) 32MB CF cards are too small for that since often they have only 30MB or even less capacity.) Be aware that this process will erase all the contain of your CF card.

 

5-  Insert the CF card and push the soft reset pin keeping pressed the power button until a three stripe screen appears.

 


6. The screen will change to blue and a message saying "CF to Flash, Press the Power Button".

 

That's all.

 

I have seen reports of a user that reflashed an English ROM in his Japanese e550X but I have not any report saying if this method will work with the new Toshiba e550g. 

 

 

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