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2-3
Front Panel LEDs and Buttons
No. Name
Power Button
1.
with LED
ID Button
2.
with LED
3.
Reset Button
4.
NMI Button
HDD Status
5.
LED
System
6.
Status LED
System Appearance
Color
Status
Green
On
Green
Blink
N/A
Off
Blue
On
N/A
Off
N/A
N/A
N/A
N/A
On
Green
Blink
Amber
On
Green /
Blink
Amber
N/A
Off
Green
On
On
Amber
Blink
N/A
Off
1
2
System is powered on
System is in ACPI S1 state (sleep mode)
• System is not powered on or in ACPI S5 state (power off)
• System is in ACPI S4 state (hibernate mode)
System identification is active
System identification is disabled
Press this button to reset system
Singal attention for non-recoverable hardware errors
HDD locate
HDD access
HDD error
HDD rebuilding
No HDD access or no HDD error
System is operating normally
Critical condition, may indicate:
• System fan failure
• System temperature
Non-critical condition, may indicate:
• Redundant power module failure
• Temperature and voltage issue
• Chassis intrusion
System is not ready, may indicate:
• POST error
• NMI error
• Processor or terminator is missing
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3
4
NMI
NMI
Description
5
6
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