| J1 to System Board J2901 
 
  
  | PIN | FUNCTION | 
 | PIN | FUNCTION |  
  | 1 | +3.3 -Sense | 9 | Off |  
  | 2 | +3.3 +Sense | 10 | On |  
  | 3 | +5.0 -Sense | 11 | -12V |  
  | 4 | +5.0 -Sense | 12 | POR |  
  | 5 | +3.0 -Sense | 13 | +12V Return |  
  | 6 | +3.0 +Sense | 14 | +12V |  
  | 7 | +3.0 OVP Program | 15 | +12 Return |  
  | 8 | +3 +V Program | 16 | +12 |  
  J2 to System Board J2903
 
  
  | PIN | COLOR | FUNCTION |  
  | 1 2 3 | Black | +3.3 Return |  
  | 4 5 6 | Yellow | +3.3 |  |  | J3 to System Board J2902 
 
   
  | PIN | COLOR | FUNCTION |   
  | 1 | Black | +5.0 Return |   
  | 2 | Red | +5.0 |   
  | 3 | Black | +3.0 Return |   
  | 4 | Blue | +3.0 |  
  Note: Output 3.0B is programmable from2.5V to 3.5V. It provides the UltraSPARC
 module core voltage to UPA0 and UPA1.
 
 
  J4 to Harness 530-2345
 
  
  | PIN | FUNCTION | 
 | PIN | FUNCTION |  
  | 1 | +5 | 6 | +5 Return |  
  | 2 | +5 | 7 | +5 Return |  
  | 3 | +5 | 8 | +5 Return |  
  | 4 | +12 | 9 | +12 Return |  
  | 5 | +12 | 10 | +12 Return |  |