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kaffeen
Tux's lil' helper
Tux's lil' helper


Joined: 27 Jan 2004
Posts: 139
Location: The Frozen North

PostPosted: Wed Oct 27, 2004 9:42 am    Post subject: Free -m showing incorrect total memory Reply with quote

I have two 512MB PC3200 sticks installed (which is actually recognized as 1048MB by the BIOS) but when I do "free -m" it reports this:

Code:
neil@bacchus neil $ free -m
             total       used       free     shared    buffers     cached
Mem:           884        653        230          0         41        451
-/+ buffers/cache:        160        723
Swap:         2000          0       2000


Why is it showing only 884 instead of 1024 (or 1048)?
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Admiral LSD
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Joined: 27 Jun 2003
Posts: 522
Location: Northam, W.A., Australia

PostPosted: Wed Oct 27, 2004 9:46 am    Post subject: Reply with quote

You don't have high memory support enabled.

There are two ways the fix this. By far the easiest is to simply go into the kernel config and enable the "High Memory" option (set it to 4Gb) under "Processor Type and Features" then recompile and reboot.

The other option is to download the appropriate version of Con Kolivas' "1Gb lowmem" for your kernel from his page at:

http://members.optusnet.com.au/ckolivas/kernel/

apply it and (I assume) just recompile and reboot.
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