To Apply Power

1. Verify that the HBA is securely installed in the system.
2. Verify that the correct fiber-optic cable is attached.
3. Refer to your system installation or service manual to determine how to power on the system.
4. Observe the light-emitting diode (LED) status for the power-on self test (POST) results as shown in the following table..

   The yellow, green, and amber LEDs can be seen through openings in the mounting bracket of the HBA. The following table summarizes the LED status conditions.

   Yellow LED Green LED Amber LED State Off Off Off Power off On On On Power on (before firmware initialization) Flash Flash Flash Power on (after firmware initialization) Flash in sequence Flash sequence is yellow LED > green LED > amber LED, then back to yellow LED. Flash in sequence Flash in sequence Firmware fault Off Off On (for link up) or Flash (if I/O activity) 2 Gbps link UP/ACT Off On (for link up) or Flash (if I/O activity) Off 4 Gbps link UP/ACT On (for link up) or Flash (if I/O activity) Off Off 8 Gbps link UP/ACT Flash Off Flash Beacon