GIGA-BYTE TECHNOLOGY G191-H44, Service Manual

Page: 18 / 114

System Appearance - 18 -
2-3 Front Panel LED and Buttons
UID
NMI
6 5 4 3 2 1
No. Name Color Status Description
1.
System
Status LED
Green On
Indicates system is operating normally.
Amber
On
Indicates a critical condition, may include:
-System fan failure
-System temperature
Blink
Indicates non-critical condition, may include:
-Redundant power module failure
-Temperature and voltage issue
N/A Off
Indicates system is not ready, may include:
-POST error
-NMI error
-Processor or terminator is missing
2.
HDD Status
LED
Green
On
Indicates locating the HDD.
Blink
Indicates accessing the HDD.
Amber On
Indicates HDD error.
Green/
Amber
Blink
Indicates HDD rebuilding.
N/A Off
Indicates no HDD access or no HDD error.
3.
NMI button -- --
Press this button for the server to generate a NMI to the
processor. If multiple-bit ECC errors occur, the server will
effectively be halted.
4.
Reset Button -- -- Press this button to reset the system.
5.
Power button
with LED
Green On Indicates the 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)
6.
ID Button
with LED
Blue On Indicates the system identification is active.
N/A Off Indicates the system identification is disabled.