detected memory amount....

Benjamin Zeller zeller at
Wed Jun 22 15:11:20 UTC 2005

On Wednesday 22 June 2005 17:04, Scott J. Henson wrote:
> Matthew Nicholson wrote:
> >so just yesterday, i picked up another 1GB of memory for my system,
> >upping it to 1.5GB total now. the BIOS sees all 1.5GB's...memtest86 sees
> >all 1.5GB's, and even windows see all 1.5GB....however horay only sees
> >884.5MB of both system monitor, top, etc. now, A). why is it
> >seeing only this much (its a weird number to see anyways...) B). think a
> >reinstall would fix it? 
> >
> >any ideas?
> >  
> >
> The default kernel isn't compiled with "highmem" so you won't ever see
> above the ~900MB mark.  To get that install the smp kernel, which has
> highmem enabled.  It will be something like
> linux-image-<version>-<subarch>-smp. 

Had the same behaviour with the 1.5GB from my Laptop. Just install linux-686, 
no need of smp-kernel
> You should be able to type the following and get the kernel.
> sudo apt-get install linux-image-`uname -r`-smp

sudo apt-get install linux-image-686 ;-)

> Then reboot and make sure you select the smp kernel at the grub boot
> prompt(it should be the default).  After that you should see all your
> installed ram. 

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