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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

benefits of 64bit on i7 27 with ssd


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lilmill

 
Member Since: Oct 08, 2006
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will the 32bit kernel make use of my 12 gigs of ram. With my old winblows system i HAD to run 64bit os to get past 3.5 gig ram limit. I am running virtualbox with ubuntu and was wondering if I should be booting 64bit for the extra ram. The apple site says that the os will default to the best kernel, but i think it will always be 32bit unless you specify with the 64 keys on boot.

2.93 27inch imac with ssd+2tb,2.6 XPS720 vista64 8gig_17 2.6 MBP with 4gig and 200gig 7200 rpm_ATV 160 gig_iphone32gs_AEBS_1TB timecapsule,and drobofs
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lilmill

 
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Anyone??

2.93 27inch imac with ssd+2tb,2.6 XPS720 vista64 8gig_17 2.6 MBP with 4gig and 200gig 7200 rpm_ATV 160 gig_iphone32gs_AEBS_1TB timecapsule,and drobofs
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trademark

 
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Mac Specs: i7 iMac; 8gb DDR3 ram; ati mobility 4850; 1tb seagate harddrive @7200rpm

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Yes both 32 bit and 64bit kernels will make use more than 4gigs of ram. The difference in the kernels is mostly cpu efficiency, which isn't a deal at all. You'll want to run 32bit, just in case there's no driver errors with 64 bit kernel.
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