help Creating a Windows Partition

Hi I've got 2 hard drives. I want OS X Leopard on Bay 1 and Windows Vista on Bay 2. In Boot Camp Assistant which Bay do I select? Do I select "Create a second Partition for Windows" or "Erase disk and create a single partition for Windows"? any help is greatly appreciated

2.66Ghz Quad Core Mac Pro, Mac OS X (10.5.5), 24" LED Apple Cinema Display

Posted on Mar 28, 2009 10:07 PM

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12 replies

Mar 29, 2009 7:29 AM in response to Stuart Lawrence

Hey there,
Are there two separate drive icons? If there are you can choose the second one and go with "Erase disk and create a single partition for Windows." This is assuming that there is no important data located on Bay 2. The Setup Assistant will allow you to partition drives, or to install Microsoft Windows on an entire drive if it does not contain Mac OS X according to the Apple document below.

In the end if you still aren't on which one to go with, just choose the partition option or backup all your data with Time Machine or SuperDuper and choose "Erase disk and create a single partition for Windows."
Hope this helps.

http://support.apple.com/kb/HT1656

B-rock

Mar 29, 2009 1:09 PM in response to Stuart Lawrence

Your support person you spoke with wasn't thinking multi drive, only the single internal hard drive configuration.

Boot Camp Assistant will actually ONLY use the entire drive. So some people put a small OS X partition on it to force it in two.

I would play around, practice. But if you get familiar - can't hurt and always only helps - Disk Utility => Partition tab => Options.... (bottom of screen) and change it from default "GUID" to Windows Boot Record. Create MSDOS (FAT32).

Vista will install just fine, and gives you the option to format / delete and create - but if it is on its own drive it usually complains about "GPT" due to the presence of OS X drive. That is easier to do than describe / explain. There is an Apple and MS tech note though.

I like the OS to be on the outer tracks, higher performance. The idea of putting an OS on the 'backend' where I/O is the slowest is just.... sluggishly slow and I'd never want or put OS X there for regular use.

Also, once you have Vista, it is a lot easier to install a 2nd system, like "7" on another drive or partition; rather than boot and run from DVD, copy DVD easily to disk and it is lightning fast. Down the road.

You should be able to just boot from Vista even without doing anything, just remove OS X, treat it like a PC, and install. Works best if the drive is raw and was never formatted in OS X even.

Mar 29, 2009 1:22 PM in response to Stuart Lawrence

Thanks for the help. I'm still confused though. I'm up to the screen where it asks me "where do you want to install Windows?"

I've got 4 options but none of them say boot camp.

here's the options:

Disk 0 Partition 2 595.9 GB
Disk 0 Unallocated Space 128 mb
Disk 1 Partition 1 200 mb Primary
Disk 1 Partition 2 596 GB Primary

Which do I select?

Mar 29, 2009 1:38 PM in response to Stuart Lawrence

200MB - that is real tiny hidden "EFI" used by Mac OS
128MB - another tiny hidden and part of GPT (GUID)

You didn't pull OS X drive but you have two 640GB drives (they format to 599GB usable space).

Boot Camp Assistant "should" have left BOOTCAMP and FAT format on Disk 1, if you have Disk 0 in bay 0 with OS X.

2+ yrs ago, I felt lost, too, and my first venture into Windowsland, and felt lost (I got Vista RC for $5 because OS X and my DSL couldn't handle 4GB file and I had never used and I doubt it was on torrents).

Mar 29, 2009 3:23 PM in response to Stuart Lawrence

Correct. Of course you made a backup of OS X with SuperDuper just in case, which is step #0 in all such things, right? 🙂

And "wrong" just means it was a dry run or "blew it" and failure is such a hard teacher, but good one too.

I would have partitioned the drive, leave some space for other things. You can shrink the partition to do so. Maybe setup data partition, scratch, a place for Windows 7. The trouble with Windows MBR partition table is it only allows for 4 primary partitions, so just keep that in mind. (I use four drives actually, data plus some storage volumes, backup drive, primary Windows 7, and one drive with test versions of Vista and Windows.)

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help Creating a Windows Partition

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