FRU Name Physical Location Code AIX Location CodeSPCN4 connector U0.dd-P1/Q6Rack IndicatorRack beacon (4-pin) U0.dd-P1/Q7Operator PanelOperator panel U0.dd-L1Temperature SensorTemperature sensor (on operatorpanel)U0.dd-L1Disk Drive BackplanesDisk drive backplane 1 U0.dd-P3Disk drive backplane 2 U0.dd-P4Disk Drive LocationsDisk drive bay location are numbered from left to right with the left most bay being #1.Hot-swap disk drive bay 1 U0.dd-P1-Ix/Zn-A8 Dependent on IxHot-swap disk drive bay 2 U0.dd-P1-Ix/Zn-A9 Dependent on IxHot-swap disk drive bay 3 U0.dd-P1-Ix/Zn-AA Dependent on IxHot-swap disk drive bay 4 U0.dd-P1-Ix/Zn-AB Dependent on IxHot-swap disk drive bay 5 U0.dd-P1-Ix/Zn-AC Dependent on IxHot-swap disk drive bay 6 U0.dd-P1-Ix/Zn-AD Dependent on IxHot-swap disk drive bay 7 U0.dd-P1-Iy/Zn-A8 Dependent on IyHot-swap disk drive bay 8 U0.dd-P1-Iy/Zn-A9 Dependent on IyHot-swap disk drive bay 9 U0.dd-P1-Iy/Zn-AA Dependent on IyHot-swap disk drive bay 10 U0.dd-P1-Iy/Zn-AB Dependent on IyHot-swap disk drive bay 11 U0.dd-P1-Iy/Zn-AC Dependent on IyHot-swap disk drive bay 12 U0.dd-P1-Iy/Zn-AD Dependent on IySCSISES0 U0.dd-P1-Ix/Zn-AF Dependent on IxSES1 U0.dd-P1-Iy/Zn-AF Dependent on Iy38 Eserver pSeries 630 Model 6C4 and Model 6E4 Service Guide