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System Appearance
2-3 Front Panel LED and Buttons
• Systems equipped with RoT have different Status LED and ID LED indicators.
See 2-3-1 RoT LEDs to check status.
No. Name Color Status Description
1.
Power button
with LED
Green On System is powered on
Green Blink System is in ACPI S1 state (sleep mode)
N/A Off
• System is not powered on or in ACPI S5 state
(power off)
• System is in ACPI S4 state (hibernate mode)
2.
ID Button N/A Off
• System is not powered on or in ACPI S5 state
(power off)
• System is in ACPI S4 state (hibernate mode)
3.
Reset Button Press the button to reset the system.
4.
NMI button
Press the button server generates a NMI to the processor
if the multiple-bit ECC errors occur, which effectively halt
the server.
5.
HDD Status
LED
Green
On HDD locate
Blink HDD access
Amber On HDD fault
Green/
Amber
Blink HDD rebuilding
N/A Off No HDD access or no HDD fault.
6.
System
Status LED
Green Solid On System is operating normally.
Amber
Solid On
Critical condition, may indicate:
System fan failure
System temperature
Blink
Non-critical condition, may indicate:
Redundant power module failure
Temperature and voltage issue
Chassis intrusion
N/A Off
System is not ready, may indicate:
POST error
NMI error
Processor or terminator missing