[ubuntu] Dualboot Win7 x64 with ubuntu on a HP ProBook with UEFI and HP ProtectTools, how to?

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http://ubuntuforums.org – Hi, I currently have a a HP Probook 4320s with UEFI. It has a Intel Celeron P4600 CPU. Windows 7 Professional x64 is installed on the computer, where HP has supplied ProtectTools which allows Windows and the UEFI to "communicate" meaning that at boot I enter my password in UEFI, but I'm not required to enter my password at Windows login. Windows is still password protected, ie. if I lock my computer etc. I have to enter my password. So-called PreBoot Authentication. The question I have is if it's possible to dualboot the system with (any, but preferably 11.04) ubuntu without di (Hardware)