Справочник Пользователя для Apple Macintosh Server G4
Troubleshooting
General/ Power Supply Verification - 2 2
Power Supply Verification
To start up, the Power Mac G4 logic board requires a “trickle”
power of +5V for AGP and PCI models, +28V for Gigabit Ethernet/
Digital Audio models, or +25V for QuickSilver models. If the
system fails to start up, follow the procedure outlined below to
determine whether the problem is related to the power supply.
power of +5V for AGP and PCI models, +28V for Gigabit Ethernet/
Digital Audio models, or +25V for QuickSilver models. If the
system fails to start up, follow the procedure outlined below to
determine whether the problem is related to the power supply.
Note:
To verify the power supply, you need a volt meter.
Verification Procedure
Follow the procedures in the Take Apart chapter to access the
power supply.
power supply.
Important:
For this verification procedure when connecting the
volt meter leads to specific pins, ensure the power supply cable
remains securely plugged into the power supply connector on the
logic board.
remains securely plugged into the power supply connector on the
logic board.