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Chapter 2: Motherboard Information
JNGFF_LED1: Extra M.2 LED con
Pin
Description
1
NGFF_LED_N
J20: TPM Physical Presence con
Pin
Description
1
P3V3
2
PP
3
GND
FAN1: PWM FAN con
Pin
Description
1
FAN OUT1
2
NC
3
FAN IN1
4
VFAN1
5
GND
LPC1: PORT80 con
It is a proprietary connector for connecting a checkpoint device to output checkpoints throughout booting
and Power-On Self Test (POST) to indicate the task the system is currently executing.
Pin
Description
1
CLK_33M_P80
3
PLTRST_PORT80_N
5
LPC_FRAME_N
7
LPC_AD3
9
LPC_AD2
J4: H/W & S/W Reset
The jumper can be adjusted to be in either hardware or software reset mode when the reset switch is
pressed. The hardware reset will reboot the system without turning off the power. The software reset can be
programmed to reset a software to its default setting.
Pin
Description
1.2
Hardware reset
Pin
Description
1
FP_RST_N_D
3
FP_SFRST_N
(Reserve no use)
Pin
Description
2
P3V3_MINI
Pin
2
4
6
8
10
Pin
Description
2.3
Software reset
Pin
Description
2
N41914839
21
Description
LPC_AD1
LPC_AD0
P3V3
NC
GND
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