64 bit windows on a Mac pro?

[dan1el]

had Windows XP 32 Bit installed, removed it last weekend since it was just wasting my harddrive space.

but works fine

[jcbray]

I don't have or use a mac, but isn't bootcamp simply a bootloader like ntldr, or grub? if so, it doesn't matter what OS is installed...

Anyways, I have a feeling this question was asked about a week ago, i'll have a look for the thread.

[jcbray]

http://forums.cgsociety.org/showthread.php?f=23&t=533599

The issue this person was having could be relevant to you, but regardless, seems that win64 can work fine under bootcamp.

[ThomasMahler]

Straight from Wikipedia.com:

64-bit (x64) Microsoft Windows

While it is possible to install 64-bit (x64) Windows operating systems on Intel Macs with Intel Core 2 Duo (http://en.wikipedia.org/wiki/Intel_Core_2_Duo) processors (http://en.wikipedia.org/wiki/CPU), the Windows x64 OS encounters difficulties with full driver support in Boot Camp. The basic hardware (http://en.wikipedia.org/wiki/Computer_hardware) used in most Intel Macs have drivers available for various OSes, including x64 versions of Microsoft Windows. However Apple specific hardware such as the built in iSight camera, Apple bluetooth, Apple track pad as well as software enhancements like Apple keyboard mapping and the screen brightness utility packaged with Boot Camp are written solely for x86 versions of Windows XP SP2 and Windows Vista and thus they do not work in the x64 versions of Windows.

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