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System taking too much memory. Blast from the past.
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Addicted to MacNN
Join Date: Oct 2001
Location: Automatic
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Not kidding.
Has it been the same all along.? I don't recall good old Mac OS being a RAM eater, the only thing I could remotely think of is Virtual Memory but that's deactivated. So, having ruled that out, what else could it be.? Macintosh is a G4 MDD 1,25GHz with 2 GB RAM.
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"That plane's dustin' crops where there ain't no crops."
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status:
Online
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Haha yeah, blast from the past. It definitely didn't eat RAM like that. Are you running Classic or direct 9.2 boot?
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Moderator 
Join Date: Apr 2000
Location: Gothenburg, Sweden
Status:
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Should be a native boot, right? I seem to remember that Classic always gave you 1 GB of RAM, not matter how much real memory your box had.
Some googling reveals several sources claiming that OS 9 "only" supports 1.5 GB of RAM. That would mean that the OS actually uses just over 100 megs - still a lot, but not absurd - and is just hiding the rest because it cannot be used..
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The low-end Mac Pro is the most overpriced Mac since the IIvx
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Senior User
Join Date: Apr 2002
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Originally Posted by P
Some googling reveals several sources claiming that OS 9 "only" supports 1.5 GB of RAM. That would mean that the OS actually uses just over 100 megs - still a lot, but not absurd - and is just hiding the rest because it cannot be used..
That's correct.
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Administrator 
Join Date: May 2000
Location: California
Status:
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Up to 1.5 GB can be assigned for general use. You can declare a RAM disk for the remaining 512 MB.
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status:
Online
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Silly me, didn't even think about the fact that you couldn't get that About This Mac window if in Classic.
It's funny to think about Mac OS 9 not being able to use more than 1.5 GB. Times do change.
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Addicted to MacNN
Join Date: Oct 2001
Location: Automatic
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Hey, thanks a bunch. In all honest didn't expect too many replies and less in such a short time span. Knowledge shows !!!
Are you running Classic or direct 9.2 boot?
Should be a native boot, right?
It is indeed a native 9.2 boot. Out of boredom.
Some googling reveals several sources claiming that OS 9 "only" supports 1.5 GB of RAM. That would mean that the OS actually uses just over 100 megs - still a lot, but not absurd - and is just hiding the rest because it cannot be used.
Thanks for the research I should have done. To confirm this, I booted up my old Yosemite G3 with 1 GB RAM. This is what 'About This Computer' says on the G3. I understand this reflects what P says.
Up to 1.5 GB can be assigned for general use. You can declare a RAM disk for the remaining 512 MB.
Interesting. Thanks for pointing that out.
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"That plane's dustin' crops where there ain't no crops."
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