[CentOS] CentOS 4.4 not seeing all RAM

Kanwar Ranbir Sandhu m3freak at thesandhufamily.ca
Mon Mar 5 17:18:25 UTC 2007

On Mon, 2007-03-05 at 12:13 -0500, Kanwar Ranbir Sandhu wrote:
> Hmmm...I see this too in dmesg:
> No AGP bridge found
> Your BIOS doesn't leave a aperture memory hole
> Please enable the IOMMU option in the BIOS setup
> This costs you 64 MB of RAM
> Mapping aperture over 65536 KB of RAM @ 4000000
> I guess I'll try enabling it and see what happens.

Replying to myself here, but good for the archives:

I checked the Tyan website and it a BIOS upgrade added an IOMMU option.
The server isn't running the latest BIOS, so I'll have to do that before
I can try enabling it.



Kanwar Ranbir Sandhu
Linux 2.6.19-1.2911.fc6 i686 GNU/Linux 
12:16:41 up 2 days, 11:05, 3 users, load average: 0.60, 0.50, 0.55 

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