TAKO. INTERNET SEIT 1996.
Olympus-OM

Re: [OM] Missing in action . . . and OT Mac question

Subject: Re: [OM] Missing in action . . . and OT Mac question
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sat, 07 Apr 2012 11:46:50 -0400
You will see a similar claim made about 32 bit Windows, that it only 
supports 3GB.  However, the claim only pertains to the amount of user 
addressable memory, not the system limitation.  The hardware and OS 
actually support 4GB as would be expected of something capable of 
supporting 3GB (which need 32 address lines just like 4GB).  The 
difference between the total system memory and the user space is used by 
the OS.  But in Windows there is a little known software switch that can 
be set that allows up to 3.5GB user space as long as 4GB is installed 
allowing the system to take 0.5GB for itself.

Chuck Norcutt


On 4/7/2012 11:33 AM, Paul Braun wrote:
> On 4/7/12 10:06 : , Chuck Norcutt wrote:
>> A 3GB limitation sounds very strange.  To support 3GB requires 32
>> address lines which will also support 4GB.  Supporting 6GB requires 33
>> address lines which will also support 8GB.  I'm not disputing the number
>> but it's a strange limitation for a binary addressing system to support
>> a value less than a power of 2.
>>
> I agree.  I've got 2Gb in her because it's more efficient to have two
> simms that match, so I never even tried 1 + 2.  I didn't try the 2 + 2
> thing myself - just found it referenced enough on forums that I didn't
> want to waste the money.
>
-- 
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