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.
benefits of 64bit on i7 27 with ssd
- Thread starter lilmill
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- Your Mac's Specs
- i7 iMac; 8gb DDR3 ram; ati mobility 4850; 1tb seagate harddrive @7200rpm
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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