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2021
congatec
GmbH
PA70m01
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6
Additional Features
6.1
Feature Connectors
The conga-PA7 provides three feature connectors (X18, X19, and X20).
6.1.1
Buttons and LEDs
The conga-PA7 offers lid, sleep, reset, power buttons, and LED signals via the feature connector X18 as described in the table below:
Table 26 X18 Pinout
Pin
Default Signal
Assembly Option
Description
1
LID_BTN#
INTRUDER#
Active-low signal brings the system into sleep state or wakes it up. Requires
an ACPI compatible operating system.
Assembly option: Connect to INTRUDER# of SoC.
2
GND
Ground
3
SLP_BTN#
Active-low signal triggers sleep state.
4
GND
Ground
5
RST_BTN#
Active-low signal triggers hard reset. Does not keep the system in reset when
connected to ground.
6
GND
Ground
7
PWR_BTN#
Active-low signal triggers power-up sequence. Pulse duration of ≥ 4 seconds
triggers forced shutdown. Signal can also be triggered by the cBC depending
on BIOS settings (see section 6.4.2 "Power Loss Control").
8
GND
Ground
9
Main color LED (anode) /
Alt color LED (cathode)
Bidirectional power LED is supported.
Main color indicates runtime mode (S0).
Alternate color indicates sleep mode (S3, suspend to RAM).
10
Main color LED (cathode) /
Alt color LED (anode)
11
WiFi_LED (anode)
WWAN_LED (anode)
LED indicates activity on M.2 Key-E interface.
Assembly option: LED indicates activity on M.2 Key-B interface.
12
WiFi_LED# (cathode)
WWAN_LED# (cathode)
Connector Type
X18: 12x1 pins, 1.25 mm pitch (Molex 53398-1271); Possible Mating Connector: Molex 51021-1200
X18
Pin 1
