Module Detection - Internal Use Only; Feature Connector; Table 55 X53 - Feature Connector - Congatec COM Express conga-MEVAL Manual

5.21

Module Detection - Internal Use Only

Connector X89 is for detecting the COM Express module presence.
Connector Type
X89: Molex 51021-0200
5.22

Feature Connector

Table 55 X53 - Feature Connector
Pin Signal
1 +5V (500 mA fuse)
3 +5V (470 Ω)
5 I2C_DAT
7 I2C_CLK
9 N.C
11 N.C
13 PS_ON#
15 SUS_S3#
17 GND
19 THRMTRIP#
21 GPI1
23 SUS_STAT#
25 GPI2
27 WDT
29 GPI3
31 BATLOW#
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Description
LED anode voltage with 470 Ω resistor
General purpose I²C port data I/O line
General purpose I²C port clock output
Not connected
Not connected
Power Supply On (active low).
Indicates system is in Suspend to RAM
state. Active low output.
Power Ground
Active low output indicating that the
CPU has entered thermal shutdown
General Purpose Input 1
Indicates imminent suspend operation;
used to notify LPC devices
General Purpose Input 2
Watch Dog Timer output
General Purpose Input 3
Indicates that external battery is low
(connect to open-drain pin)
Pin Signal Description
2 5V_SB (500 mA fuse)
4 Hard Disk Activity Shows activity on hard disk interface (open-drain output for LED
cathode)
6 SMB_CLK System Management Bus clock line
8 SMB_DATA System Management Bus bidirectional data line
10 GPO0 General Purpose Output 0
12 GPO1 General Purpose Output 1
14 GPO2 General Purpose Output 2
16 GPO3 General Purpose Output 3
18 GND Power Ground
20 SMB_ALERT# System Management Bus Alert – active low input can be used to
generate an SMI# (System Management Interrupt) or to wake the
system (connect to open-drain pin)
22 SUS_S4# Indicates systems is in Suspend to Disk state. Active low output.
24 GPI0 General Purpose Input 0
26 SUS_S5# Indicates systems is in Soft Off state
28 THRM# Input from off-module temp sensor indicating an over-temp
situation (connect to open-drain pin)
30 LID# Module input signal, generation a LID close or open event
32 WAKE1# General purpose wake up signal. May be used to implement
wake-up on PS2 keyboard or mouse activity (connect to open
drain pin)
CET0m10
X89
X53
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