First, sorry for my English...

I had an upgrade on my laptop and swapped the HD for a faster, my intention now is to take the old and make an external HD via USB, already all done but not formats him because he has a damn partition EISA that no leaves and this I am eating more than 7GB.

This partition was used by the manufacturer to restore the system but I ja set the DVDs of recovery and also installed the same partition of the new HD installed when the system.

I lost hours searching on the net and tried several programs, Partition Magic did not resolve my problem because the version that supports Vista only works if paid, said the computer Management of windows vista neither accepts format that partition and my last hope such a SwissKnife of error at the time of the run.

I don't need this HD information, I want format and make four new partitions of same size in this HD.
Then I tried to format using computer Management of windows vista, the largest partition changed of NTFS to RAW and became inascessível but ja as I said I do not need this information, I just want to format and partition again my external HD.

I attach two images to details my problem.

Conclusion, I am not a bush dog, someone has some tips? Please, help-me...

Have you tried Gparted?
Gparted LiveCd
http://gparted-livecd.tuxfamily.org/download.php

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"Dum Spiro, Spero"