COM Express Type 10 PC Connector Carrier Manual
Users Guide
Document: CTIM-00489
Revision: 0.01
Page 26 of 38
Connect Tech Inc. 800-426-8979 | 519-836-1291
Date: 2019-07-04
System Miscellaneous
System Connector
This system control header can be used to connect power button, reset button, PC speaker, I2C device and
monitor other power rails.
Function
Misc/System Control Header
Location
P12
Carrier
Connector
PN
98424-G52-20LF - Manufacturer: FCI
Mating
Connector
PN
10073599-020LF - Manufacturer: FCI
Pinout
Pin
Signal
Description
1
PWRM.PWRBTN#
Power Button
2
GND
Ground
3
PWRM.SYS_RESET#
Reset Button
4
GND
Ground
5
PWRM.SUS_S3#
S3 Power Status Output
6
SMB.ALERT#
SMB Alert Signal
7
RESET-OUT#
Carrier Board Reset Output
8
SMB.DAT
SMB Data
9
GPO0
GPIO Output Bit-0
10
SMB.CK
SMB Clock
11
GPO1
GPIO Output Bit-1
12
PWRM.BATLOW#
Battery Low Indicator
13
GPO2
GPIO Output Bit-2
14
I2C.CK
I2C Clock
15
GPO3
GPIO Output Bit-3
16
I2C.DAT
I2C Data
17
GPI0
GPIO Input Bit-0
18
GPI2
GPIO Input Bit-2
19
GPI1
GPIO Input Bit-1
20
GPI3
GPIO Input Bit-3
J2 – System Jumper Block
Position Jumper Description
A
SD Card (ON) / GPIO (OFF) selection
B
5V Backlight Supply to P9
C
Connect LVDS PWM Signal to GND
D
Connect LVDS PWM to COM Express
E
mini PCIe (ON) / mSATA (OFF) selection
F
SUS_S3# Functionality Enabled (ON) / Disabled
(OFF)