Hello,

I have bought recently Telechips based tablet PC with Android 2.1 and 
started to explore it...

It would be interesting to try different versions of Android but I 
don't want to mess up the original flash memory. Today I have found a 
fastboot tool and, as I understand, with the following command

fastboot boot kernel ramdisk-image

one can boot custom kernel and ramdisk without touching the device 
flash memory. Therefore, it is possible to create a ramdisk image 
which mounts specially prepared SD card with several partitions 
similar to the system flash. So, in this case, everything on the 
tablet is left untouched and any version of Android (or any other 
Linux) can be tested without any danger to the original system.

Is it correct?

If yes, are there ready to use Android builds which can be run right 
from sdcard?

Thank you and best regards,

Serguei.

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