I got the same results when tried the core and enhancement pack commands.
my computer is 4gb.
total memory = 3767MB
available memory = 2124 MB
used = 43%
free = 57%
(no other programs are open.)
print " total memory: ", system tmem available()
//print " video memory: ", system dmem available() //this command crashes.
print "available memoty: ", system smem available()
print
print "from enhancement pack:"
print " total memory: ", get installed memory(1)
print "available memoty: ", get memory available(1)
print " percent used: ", get memory percent used()
print " percent free: ", get memory percent free()
wait key
end
