Product Data Sheet / Brochure

27
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