User Manual

30
Dual PWM Fan Header
Pin
Number
Pin Definition - Signal
1
Ground
2
Ground
3
Tachometer 1
4
Pulse-Width Modulation (PWM) 1
5
Tachometer 2
6
Pulse-Width Modulation (PWM) 2
7
+12V DC Power
8
+12V DC Power
10-pin Front Panel IO Header
Connector is a 2 x 5, 2.0mm pitch connector.
Front Panel Header
Pin
Number
Signal Name
Description
1
N/C
N/C
2
POWER_LED_MAIN
[Out] Front panel LED (main color)
3
N/C
N/C
4
POWER_LED_ALT
[Out] Front panel LED (alt color)
5
N/C
N/C
6
POWER_SWITCH#
[In] Power switch
7
N/C
N/C
8
GROUND
Ground
9
N/C
N/C
10
Key (EMPTY)
No Pin
E – 2-pin MEBX Reset Jumper
Note* This header is non-functional on the NUC 9 Extreme
E, 2-pin MEBX Reset Jumper
Pin Setting
BIOS Security setting behavior
Closed
Pins 1&2: jumper installed for RTCRST
OPEN
No jumper: Normal operation
F – 3-pin BIOS Security Header
F, 3-pin BIOS Security Header
Pin Setting
BIOS Security setting behavior
1 & 2
Pins 1&2: jumper position for Normal mode
2 & 3
Pins 2&3: jumper position for Lockdown mode