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Bootcamp with 3gb switch
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Fresh-Faced Recruit
Join Date: Mar 2009
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Is there anyone who has actually gotten bootcamp to work with the 3gb switch for xp32?
I'd like to switch to vista64 but not all my music hardware is supported for it, so I'm trying to find the best way to maximize ram with xp32.
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Moderator  Join Date: Jan 2001
Location: Polwaristan
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Are you talking about 3 GB computer memory (RAM)?
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Fresh-Faced Recruit
Join Date: Mar 2009
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Offline
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Yes, I would like to use more of the 6 gigs of RAM I have in my mac. Cirrently there is only 1.98gb available for use with xp32 and bootcamp. There's something called a 3gb switch which can be done for sure on non-bootcamp computers that allows them to use more ram for applications and less for the system. I am wondering if that is possible on a mac with bootcamp.
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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Why wouldn't the 3GB switch work on a Mac?
There's nothing special about BootCamp; BootCamp is just a disk partitioning utility, EFI CSM, and driver pack.
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Fresh-Faced Recruit
Join Date: Mar 2009
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I found this:
"The Bootcamp / EFI firmware of the Mac Pro limits the RAM Usable in 32-bit Windows to 2 GB. The /3GB and PAE switches have nothing to do with the amount of RAM accessible by Windows under Bootcamp."
Does that make sense to you? Or am I misinterpreting it? I can't remember where I found it now - I had pasted it into another forum discussion.
I don't know much about PCs, as I'm traditionally just Mac.
If I want to try the 3gb switch, is it safe enough just to set up a system restore point, or should I have a different safety net?
Thank you.
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
Offline
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It could be that Apple crippled their CSM to only support 2GB.
There's no harm in trying the 3GB switch; if the hardware only presents 2GB to Windows then it won't have any impact. Even if Windows wouldn't boot (unlikely AFAIK), you could edit the boot.ini file from OS X or a recovery disk.
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Professional Poster
Join Date: Mar 2003
Location: Down by the river
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Offline
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I've tried the /3GB switch quite a while ago and it didn't work and I retried it yesterday and it no worky still...
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