Dave Stevens wrote:
I am running FC6 x86_64 on an ASUS socket 939 motherboard. I have installed
2x1g DDR2-400 chips and 2x512meg DDR2-400. This is a total of 3 gigs but I
consistently get a report of 2500 megs of installed RAM. Anyone able to
suggest why this is?
Check the output of 'dmesg'. On my system I get...
Memory: 408940k/490432k available (2362k kernel code, 81104k
reserved, 1399k data, 312k init)
If the available memory detected is not what is physically installed,
lines above or below should tell you why. Like in my case, I have 64MB
missing due to an issue I have never been able to resolve. The relevant
lines in 'dmesg' in my case are...
Aperture too small (32 MB)
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
Memory: 408940k/490432k available (2362k kernel code, 81104k
reserved, 1399k data, 312k init)
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Regards,
विवेक ज. पाटणकर (Vivek J. Patankar)
Registered Linux User #374218
Fedora release 7 (Moonshine)
Linux 2.6.22.4-65.fc7 x86_64
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