Apple iMac G5 Specifikace stáhnout pdf (Strana 144)

iMac G5 (20-inch iSight) Troubleshooting — General Info 144

The four labelled diagnostic LEDs shown below. 14.

LED 1: • Indicates that trickle voltage from the AC power inlet to the power supply has

been detected. This LED will be ON when the computer is turned o and your power

supply is working correctly.

LED 2: • Indicates that the main logic board has detected proper power from the power

supply when the computer is turned on. This LED will be ON when the computer is

turned on and the power supply is working correctly.

LED 3: • Indicates that the main logic board has established communication with the LCD

display.

LED 4: • Indicates a processor over-temperature condition. The system will shut down

when this LED turns on.

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Apple iMac G5 Specifikace Strana 144