Looks like he updated the topmost post with the new code. For readablity I've included it in this post using the code tags:

Code:
 
FUNCTION GETCOMPUTERMEMORY () 
  $BaseKey = "HKEY_LOCAL_MACHINE\Hardware\ResourceMap\System Resources\Physical Memory" 
  $RAMTranslated = RIGHT(READVALUE($BaseKey, ".Translated"), 8) 
  IF @ERROR=0 
    $RAMAmount = (VAL("&"+RIGHT($RAMTranslated,2)+SUBSTR($RAMTranslated,5,2))+250+16)/16 
    IF ($RAMAmount mod 2)=1 
      $RAMAmount = $RAMAmount+1 
    ENDIF 
    $GETCOMPUTERMEMORY = ""+$RAMAmount+" MB" 
  ENDIF 
ENDFUNCTION


I tested it with 512 MB with no problems... Doc you want to give it the GB test runs?