Can I delete EFI System Partition without harming other data on drive?

Posted by Andy on Super User See other posts from Super User or by Andy
Published on 2009-10-18T14:28:28Z Indexed on 2010/03/15 3:10 UTC
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windows-7

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osx

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mac

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efi

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partition

I have three external HDD's in a USB enclosure. After a recent upgrade to Win7, during which these three drives were actually installed inside the PC tower, two of the three drives now have a 200MB EFI partition, and the two drives do not show up as usable drives under either Win7 or Snow Leopard. One of the drives is empty; the other one, however, has a bunch of stuff on it that I want to save if possible.

My question is, how can I get back to this data? Can I simply delete the EFI partition, and all will be well? Or do I have to do something trickier? Or am I just hosed?

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