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Chapter 4: Motherboard Connections
Front Control Panel LEDs
Power Button
(Blue LED_Cathode_UID)
NIC1 (Activity) LED
Reset Button
HDD LED
FP PWR LED
ID_UID/3.3V Stby
Ground
19
Ground
20
1
2
Ground
Power Fail (for LED6)
NIC2 (Link) LED
NMI
3.3V
(Red OH/Fan Fail/PWR Fail for LED5/Blue UID LED)
3.3V
JF1
Red+
Blue+
NIC2 (Activity) LED
NIC1 (Link) LED
Key
Key
Front Control Panel (JF1)
LED Indicators
Event
Power (LED1)
HDD (LED2)
LAN (LED3/4)
UID (LED5)
Information (LED5)
Power Fail (LED6)
Power On
Solid On
HDD Activity
Blinking
NIC Activity
Blinking
Overheat
Solid On
Fan Fail
Blinking at 1Hz
Power Fail
Blinking at 1/4Hz
Solid On
Local UID On
Solid On
Remote UID On
Blinking 1Hz
Checking
BMC/BIOS
Blinking at 4HZ
Recovering/Updating
BMC Blinking
at 4HZ
BMC 2 Blinks
at 4Hz,
1 Pause at 2Hz
(on-on-off-off)
BIOS/BMC
Blinking at
10Hz
Flash Not Detected or
Golden Image Check Failed
BMC/BIOS
Blinking at 1HZ
CPLD Recovery Mode
Blinking at
10Hz
(MB UID
LED)
Blinking at 10Hz
(FP Red LED)