Int 5B Fn 8485  U - Sitback V3.02r - Installation Check                    [U]

   AX = 8485h
   DL = 70h

Return: CX = 8485h if installed
       DX:AX -> ??? (configuration data?)
Program: SitBack is a background file backup utility by SitBack Technologies,
     Inc. which initiates backups whenever the system is idle

See Also: AX=5254h/DL=04h,AX=8485h/DL=78h