| The controller mainboard is the router or lathe control electronic system. 
  Low Power Board 
  
  
    | Item | Part Number |  
    | Low Power Board | H27T17-SRVCTRL3 |  
    | Short 
      PCI card | H20T43-PCINT-002 |  Consult LC 
Servo Controller connector pinouts for details. You can also download and 
reference the LC 
and Lathe Board with Callouts (pdf).   High Power Board 
MP/HP 
Servo Controller 3 Reference Sheet (pdf)  |