Fedora 10 x64 doesn't detect all RAM

[Meng Qiu]

On Fri, Mar 20, 2009 at 10:34 PM, Mike Burger <mburger at bubbanfriends.org>wrote:

> Tosh wrote:
>
>> spmirowski wrote:
>>
>>> Hi,
>>>
>>> I am running a Dell 370 with 4 GB of RAM. Vista 32 SP1 shows that 4 GB
>>> is installed in System Properties. The change
>>> from 3 GB to 4GB wasn't picked up in Fedora 10 x64. It's a Intel 925X
>>> chipset if that helps out. Does anyone know
>>> why it might not register 4 GB on a 64 bit OS?
>>>
>>> free mem
>>>
>>> total used free shared buffers cached
>>> Mem: 3092948 1524736 1568212 0 46608 701228
>>> -/+ buffers/cache: 776900 2316048
>>>
>>> Thanks,
>>>
>>> Stephen
>>>
>>>  bios limitation, nothing to do with linux
>> have had the same problems on many boards
>> try the following :
>> (1) update bios
>> (2) run live linux to check
>> (3) update grub (reinstall if necessary)
>> (4) upgrade to new kernel
>> if these steps do not work, well then it is a hardware issue, nothing to
>> do with the software
>>
>>  Additionally, it could have something to do with how much memory was
> given to on-board video, if on-board video is in use.
>
> Otherwise, I'm in agreement...F10 64bit sees all 4GB on my Acer Aspire 5100
> laptop.
>
>
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Only 64-bit could see and use all the 4GB.


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