IBM 7379E2U User Manual - Page 29
System-error LED, Hard disk drive activity LED
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Note: The front bezel door is not shown so that the drive bays are visible. Power control button and power-on LED Press this button to turn the server on and off manually or to wake the server from a reduced-power state. The states of the power-on LED are as follows: Off: AC power is not present, or the power supply or the LED itself has failed. Flashing rapidly (4 times per second): The server is turned off and is not ready to be turned on. The power-control button is disabled. This will last approximately 20 to 40 seconds. Note: Approximately 20 seconds after the server is connected to ac power, the power-control button becomes active. Flashing slowly (once per second): The server is turned off and is ready to be turned on. You can press the power-control button to turn on the server. Lit: The server is turned on. Fading on and off: The server is in a reduced-power state. To wake the server, press the power-control button or use the IMM Web interface. See "Logging on to the Web interface" on page 112 for information on logging on to the IMM Web interface. Hard disk drive activity LED When this LED is flashing, it indicates that a hard disk drive is in use. System-error LED When this amber LED is lit, it indicates that a system error has occurred. An LED on the system board might also be lit to help isolate the error. Chapter 1. The System x3400 M3 server 13