96M RAM, but free only shows 64M!!!

[Mark Phillips <mark@ist.flinders.edu.au>]

Hi,

My friend's laptop has 96M of RAM installed.  When it boots, it has a
message saying that 96M is installed and BIOS setup shows the same thing,
but when I run "free" under Debian it comes up with:

# free
             total       used       free     shared    buffers     cached
Mem:         63384      61728       1656      25776      30420      16084
-/+ buffers/cache:      15224      48160
Swap:        64508        344      64164


Why does it only think there is 64M?

Thanks,

Mark.

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        "They told me I was gullible ... and I believed them!"