4 GiB RAM Blues

[Karl F. Larsen]

Jonathan Hudson wrote:
> On Mon, 10 May 2010 14:21:36 +0300, Amichai Rotman wrote:
> 
>> Hi Jonathan,
>>
>> I saw nothing like that explicitly, except the DVMT memory reseve for video.
>> I have an add-in PCIx card, how can I set this to 0?
>>
>> I have version 1.14 of the BIOS. Here is a link to my machines details:
>>
>> http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=vn&taskId=120&prodSeriesId=3352967&prodTypeId=12454&objectID=c01056911
>>
> 
> Not sure now I can help further, as this is BIOS specfic (e.g. on my
> only 64bit box, with a 4 year old ASRock 939Dual-SATA2 mobo and AMI
> BIOS, there's an option under Advanced/CPU Configuration => Memory Hole
> which has to be set to "enabled" to see 4GB (vice 3.2GB) RAM in 64bit
> Linux. This is not mentioned in the Mobo Manual and required a BIOS
> upgrade a couple of years ago to work.
> 
> -jonathan
> 
> 
>> Thanks!
>>
>> .:====================================================:.
>>
>> Amichai Rotman
>>
>> Registered Linux User#: 201192 [http://counter.li.org/]
>> Registered Ubuntu User #12851 [http://ubuntucounter.geekosophical.net]
>>
>> ------------------------------------------------------------------------------------------------------------
>> .:====================================================:.
>>
>>
>> On Sun, May 9, 2010 at 20:58, Jonathan Hudson
>> <jh+ubuntu at daria.co.uk<jh%2Bubuntu at daria.co.uk>
>>> wrote:
>>> On Sun, 9 May 2010 20:35:51 +0300, Amichai Rotman wrote:
>>>
>>>
>>>> 64Bit: Same test gave my ~3200 Kb total memory...
>>>>
>>>> I don't get it.... How can the 64Bit show less?
>>>>
>>> For 64 bit OS:
>>>
>>> It's a BIOS setting, something to do with "memory remapping" or
>>> "memory holes", to do woth how the BIOS maps system or video ROMs or
>>> memory into the address space for 32bit OS (the BIOS cannot know what
>>> you're going to boot). Have a hunt around the BIOS setup, it's a pretty
>>> common problem and the solution is BIOS dependent.
>>>
>>> -jh
>>>
>>>
>>>
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> 
> 
> 
	I have 6 GIG of ram shown on 10.04, but only see 3gig on 
8.04. So what you see may be a function of version.

73 Karl


-- 

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.
         Key ID = 3951B48D