[Leaplist] LINUX memory shortfall

[patrick]

Derek Konigsberg wrote:
> You could try a 64-bit distro of Linux, if possible, and see how that
> works.  I don't know the full technical explanation off-hand, but I
> think 32-bit x86 has a usable memory limit of around 3.5GB of RAM, even
> though a 32-bit address space covers 4GB.  (alternatively, I believe
> their is an additional feature called PAE for accessing more memory from
> a 32-bit OS, but not sure how to enable it, or if it is even supported
> on your hardware)
> 
> -Derek
> 
> On Wed, 2 Jan 2008, Randy Riley wrote:
> 
>> My holiday present was 2 gig of additional memory to assist with machine
>> performance for virtual OS'es. Problem is Fedora only 'sees' 3362 meg
>> of the
>> 4 gig installed (using FREE command). I checked in the BIOS and it does
>> recognize 4096 meg so I am confident the memory is functioning ok.
>>
>> I don't get it - does anyone know why Fedora (FC6) does this? Any way
>> to get
>> it to recognize the 4 gig?
>>
>> TIA - Happy New Year
>>
>> -- 
>> Randy Riley
>> riley.rw at gmail.com
>>
> 
> ---------------------------
> Derek Konigsberg
> octo at logicprobe.org
> http://hecgeek.blogspot.com
> ---------------------------
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Reason #42 that I run Mepis 64 bit, installed from the live CDrom, on my
64 bit AMD X2 939 pin socket system is that upto 8 GB RAM is addressable.