Asus AP1400R AP1400R 1U Server Manual English Edition - Page 16

Power Button and System LEDs The chassis includes system LEDs to indicate fan and thermal status, hard disk status, and system power status. 1 2 3 4 5 6 7 8 9 10 Safeguards 1. Reset Switch 2. Fan Fail LED 3. Temperature LED 4. HDD0 Status LED 5. HDD1 Status LED 6. HDD2 Status LED 7. Hard Disk Activity LED 8. Power LED 9. Power Button 10. Programmable Message LED LED Information Fan Fail LED When the fan speed is normal, this LED is ON (steady green). The LED turns to steady red when the fan speed crosses a critical threshold. Temperature LED When the system temperature is normal, this LED is ON (steady green). The LED turns to steady red when the system temperature crosses a critical threshold. SCSI HDD Drive Status LEDs The SCSI hard disks have individual LEDs. When a hard disk is installed, the specific LED for that hard disk is ON (steady green) under normal conditions. When the disk becomes faulty, the LED turns to steady red. The HDD LED is unlit when there is no hard disk present. HDD Activity LED This LED flickers (green) whenever there is an IDE/SCSI HDD activity. This LED is unlit when there is no disk activity. Power LED This LED lights up (steady green) when you apply power to the system by pressing the power button. This LED goes off when you turn off the system. Message LED This LED is software programmable to indicate conditions such a power outage. 16 Chapter 1: System Overview