Manual
Page 27
...- The LED is off when the system is operating. When connecting your system using the power switch (refer to Chapter 2, "BIOS Setup," "Power Management," for information about beep codes. •• HD (Hard Drive Activity LED, Blue): Connects to the hard drive activity LED on the chassis to this..., Green): Connects to the chassis intrusion switch/sensor on the chassis front panel. One single short beep will be heard if no problem is detected, the BIOS may differ by issuing a beep code. The LED is on when the hard drive is on the chassis front panel. This function requires...
...- The LED is off when the system is operating. When connecting your system using the power switch (refer to Chapter 2, "BIOS Setup," "Power Management," for information about beep codes. •• HD (Hard Drive Activity LED, Blue): Connects to the hard drive activity LED on the chassis to this..., Green): Connects to the chassis intrusion switch/sensor on the chassis front panel. One single short beep will be heard if no problem is detected, the BIOS may differ by issuing a beep code. The LED is on when the hard drive is on the chassis front panel. This function requires...