f10.x86_64: laptop HP: Problem to see all 4Gb of memory

[Kevin J. Cummings]

Gene Heskett wrote:
> On Wednesday 03 December 2008, Dario Lesca wrote:
>> Hi, I have install 4Gb of ram on this HP Pavilion dv6000 laptop:
>> http://www.smolts.org/client/show_all/pub_4d5ac78f-b263-4f95-a26d-5d248e5659
>> aa
>>
>> The BIOS showed only 3Gb of RAM.
>>
>> Then I have update the BIOS with last version released from HP.
>>
>> Now the BIOS show correctly 4Gb of RAM, but Fedora10 x86_64 show only
>>
>> 3Gb of RAM (also smolt show 3Gb of RAM):
>>> [root at lesca ~]# free
>>>              total       used       free     shared    buffers     cached
>>> Mem:       3093172    2771984     321188          0       1712    1549504
>>> -/+ buffers/cache:    1220768    1872404
>>> Swap:      6291448      93716    6197732
>> On this laptop I have test also Fedora9 with last kernel-PAE-x.x.x.i686
>> but also in this case the memori show is only 3Gb.
>>
>> Some suggest?
>>
>> Is a BIOS problem?
> 
> No, you need to turn on the PAE abilities in the kernel config and re-build & 
> re-install.

On an x86_64 system?   x86_64 is supposed to work without PAE.  Check 
your BIOS.

>> Thanks for reply.
>>
>> --
>> Dario Lesca <d.lesca at solinos.it>

-- 
Kevin J. Cummings
kjchome at rcn.com
cummings at kjchome.homeip.net
cummings at kjc386.framingham.ma.us
Registered Linux User #1232 (http://counter.li.org)