Dualboot Windows 7 on internal HD & iAtkos v7 on external

[stomich]

Hey,

 

some days ago, I installed OSX (iAtkos v7) on my external 2,5' HD. All works fine except one problem:

I have 2 external Harddrives on my PC. If I set the OSX-HD in BIOS on 1st boot position, it doesn't recognize the frive fast enough (i guess), so it cant boot.

If I select the External HD by pressing F12 during boot, it works. Sometimes.

Sometimes it boots correctly, but sometimes it tries to boot from my other 3,5' HD and just says "Operating System not found."

I tried to install EasyBCD in Windows, setting the internal (Windows) HD on first position. But if I try to boot the external HD over EasyBCD-Bootscreen it says "There's a problem with Windows" or something, so I disabled EasyBCD again.

 

Do you have any suggestions how I could get a nice problem-free dualboot?

 

And yeah, my English sucks, sorry for that.

 

Thanks a lot for your help!