Power Supply Cable Connector SpecificationsRefer to the following figures when checking for voltages on power supplycable connectors.When checking voltages, the power supply fan must be running. Topower-on the power supply without using the on/off switch, use a screwdriveror other tool to connect pins 2 and 3 on connector J30 (with the switch cableplug disconnected from the connector on the system board).123Figure 5-4. Connector J30 on System Board– PWR GOOD– +3.75 to 6.25 V dc– +9 to 15 V dc– -9 to -15 V dcGND– -3.75 to -6.25 V dc– +3.75 to 6.25 V dcPin1Pin12Figure 5-5. System Board Power Supply Connectors (J8 Bottom View)Parts/Test Point Locations 5-5

IBM Aptiva 2159 Manual