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Chapter 4: Motherboard Connections
Control Panel
The front control panel header (JFP1) contains header pins for various buttons and indicators
that are normally located on a control panel at the front of the chassis. These connectors
are designed specifically for use with Supermicro chassis. See the figure below for the
descriptions of the front control panel buttons and LED indicators.
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
JFP1
Red+
Blue+
NIC2 (Activity) LED
NIC1 (Link) LED
Key
Key
Front Control Panel LEDs
Front Control Panel (JFP1)
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 @1Hz
Power Fail
Blinking @1/4Hz
Solid On
Local UID On
Solid On
Remote UID On
Blinking 1Hz
Checking
BMC/BIOS
Blinking @4HZ
Recovering/Updating
BMC Blinking
@4HZ
BMC 2 Blinks
@4Hz,
1 Pause @2Hz
(on-on-off-off)
BIOS/BMC
Blinking
@10Hz
Flash Not Detected or
Golden Image Check Failed
BMC/BIOS
Blinking @1HZ
CPLD Recovery Mode
Blinking
@10Hz
(MB UID
LED)
Blinking @10Hz
(FP Red LED)