4 GiB RAM Blues

[Karl Larsen]

On 05/09/2010 11:35 AM, Amichai Rotman wrote:
> Hi All,
>
> I recently upgraded my RAM from 2x1GiB to 2x2GiB of RAM.
>
> How do I make sure (K)ubuntu recognizes the whole amount?
>
> My Setup:
>
> An HP DX2300 Desktop running Kubuntu 8.04.3 LTS.
>
> I'd like to upgrade to 10.04 LTS, so I have tried both 32Bit and 64 
> Bit versions of the Kubuntu 10.04.
>
> 32Bit: Once loaded, I opened a Konsole window and typed 'top'  - gave 
> my ~3500 total Kb total memory
> 64Bit: Same test gave my ~3200 Kb total memory...
>
> I don't get it.... How can the 64Bit show less?
>
> I told the computer store guy I'll check if it works on my machine and 
> give it back in case it doesn't.
>
> BTW, the motherboard supports 667MHz maximum and the new DIMMs are 
> 800MHz, but it does show a total of 4096MB running @ 667MHz.
>
> Can anyone help me make sure (K)ubuntu uses 4GiB RAM?
>
> Thanks!
>
> .:====================================================:.
>
> Amichai Rotman
>
> Registered Linux User#: 201192 [http://counter.li.org/]
> Registered Ubuntu User #12851 [http://ubuntucounter.geekosophical.net]
>
> ------------------------------------------------------------------------------------------------------------
> .:====================================================:.
top - 12:04:10 up 19:53,  2 users,  load average: 0.40, 0.31, 0.23
Tasks: 151 total,   1 running, 150 sleeping,   0 stopped,   0 zombie
Cpu(s):  1.3%us,  0.3%sy,  0.0%ni, 98.3%id,  0.0%wa,  0.0%hi,  0.0%si,  
0.0%st
Mem:   5867892k total,  1764760k used,  4103132k free,   216000k buffers
Swap:  1959920k total,        0k used,  1959920k free,   859692k cached

     This is on 10.04 Desktop 64bit and it shows my entire 6 GB of RAM. 
It appears that each 2GB physical ram is slightly less than 2GB...hi


73 Karl



-- 

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