Does anybody know what the difference between 

  max.exe & maxd.exe; or
 maxn.exe & maxnd.exe 

is ? ie. what the "d" means ?

Maximus executables: 
==================================================
C:\dv\s3\exe\max>dir
 Volume in drive C has no label.
 Volume Serial Number is C097-5E23

 Directory of C:\dv\s3\exe\max

28/02/2010  07:31 PM              .
28/02/2010  07:31 PM              ..
28/02/2010  07:28 PM           553,447 max.exe
28/02/2010  07:28 PM           392,928 max.ovl
28/02/2010  07:27 PM         1,197,012 maxd.exe
28/02/2010  07:31 PM         1,365,478 maxn.exe
28/02/2010  07:30 PM         1,617,169 maxnd.exe
               5 File(s)      5,126,034 bytes
               2 Dir(s)  36,315,250,688 bytes free

C:\dv\s3\exe\max>
==================================================

--- Maximus 3.01