Manual
Page 27
... a chassis intrusion switch/sensor. 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 front panel. Message/Power/ Power ...and the pin assignments are matched correctly. - 27 - The LED S0 On is detected, the BIOS may differ by issuing a beep code. One single short beep will be heard if no problem is operating. The LED is on when the hard drive is reading or writing data. •...
... a chassis intrusion switch/sensor. 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 front panel. Message/Power/ Power ...and the pin assignments are matched correctly. - 27 - The LED S0 On is detected, the BIOS may differ by issuing a beep code. One single short beep will be heard if no problem is operating. The LED is on when the hard drive is reading or writing data. •...