8GB memory not supported

Robin Laing Robin.Laing at drdc-rddc.gc.ca
Mon Mar 9 20:04:06 UTC 2009


John Summerfield wrote:
> saqib butt wrote:
>> hi,
>>
>> I have Intel Pentium Dual Core E2180 / 2 GHz processor. i just 
>> upgraded my
>> system with 4 memory sticks i.e. 8GB of RAM due to my requirements.
>>
>> Now the issue that i am facing is that my 64bit fedora system does not
>> showing and supporting more than 3.2 gigs of RAM when i consult
>> "/proc/meminfo", "free -m" and "top".
>>
>> Also I am getting the following system prompt,
>>
>> =====
>>
>> Kernel failure message 1:
>> WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 4800MB of
>> RAM.
> 
> This explains why you don't see all of RAM. Did you try a BIOS update? 
> You could also ask your hardware vendor for an explanation of why it's 
> not working.
> 
> 
> 
> 

Ditto on this.  I had a brand new motherboard and it wouldn't recognize 
8GB.  A BIOS update and all was well.


-- 
Robin Laing




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