6Chapter 1
4 System status Blue Random blink • System is booting
• System is shutting down
On System initialize operation completed.
Blue and
purple Random blink System is bootin g from a USB device (Reserved for
BIOS update while boot block has been active)
Red On May indicate the following states:
• System failure
• HDD failure
• SATA controller failure
• USB controller failure
• LAN controller failure
• FAN failure
• Memory failure
• Boot device not found
Refer to “Error Codes” on page 47 for more information.
Random blink System recovery or reset is in progress
5 USB device
backup Blue On • USB storage device is connected to the USB port
• Backup completed
Random blink System is backing up files fro m a USB storage device
Off USB storage device unmounted
6 HDD access Blue Blink HDD is in use
Off No HDD activity
No. LED indicator Color LED status Description