Rear_IDLEDBTN_N 1 2 GND
USB1/USB2: USB Front Panel Connector
Signal Pin Pin Signal
5V Power 1 2 5V Power
D- 3 4 D-
D+ 5 6 D+
GND 7 8 GND
KEY 9 10 NC
J94/J95/J96/J97/J98: 8-pin 4056 Fan Header (Barebones use only)
Signal Pin Pin Signal
PWM1 1 2 +12V
TACH1 3 4 GND
GND 5 6 TACH2
+12V 7 8 PWM2
NOTE: Do not mix 8-pin Fan headers with 4-pin Fan headers. Mixing
these fan headers will cause problems to the system.
LED25: BMC Heartbeat LED
Pin Signal
+
P3V3_AUX
-
BMC_HBLED_N
State
Color Description
Off Off
The LED shuts off when the BMC controller
can not be detected or properly initiated.
Blinking Green
The LED blinks per second to indicate that
the BMC controller is working normally
LED26: SAS Heartbeat LED
Pin Signal
+
VCC3
-
SAS_HB_LED
State
Color Description
Off Off
The LED shuts off when the SAS controller
can not be detected or properly initiated.
Blinking Green
The LED blinks per second to indicate that
the SAS controller is working normally
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