Congatec conga-TEVAL3/COMe 3.1 User Manual

Com express type 6 revision 3.1 evaluation carrier board

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conga-TEVAL3/COMe 3.1

COM Express® Type 6 revision 3.1 evaluation carrier board

User's Guide

Revision 0.01 (Preliminary)

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Summary of Contents for Congatec conga-TEVAL3/COMe 3.1

Page 1 3.1 COM Express® Type 6 revision 3.1 evaluation carrier board User’s Guide Revision 0.01 (Preliminary)
Page 3 DECLINE ALL LIABILITY for damages, direct or indirect, that result from the use of this software. OEM/ CGUTL BIOS BIOS/UEFI modified by customer via the congatec System Utility (CGUTL) is subject to the same license as the BIOS/UEFI it is based on. You can find the specific details at https://www.congatec.com/en/licenses/ Copyright ©...
Page 4 The information contained within this user’s guide, including but not limited to any product specification, is subject to change without notice. congatec GmbH provides no warranty with regard to this user’s guide or any other information contained herein and hereby expressly disclaims any implied warranties of merchantability or fitness for any particular purpose with regard to any of the foregoing.
Page 5 Copyright © 2025, congatec GmbH. All rights reserved. All text, pictures and graphics are protected by copyrights. No copying is permitted without written permission from congatec GmbH. congatec GmbH has made every attempt to ensure that the information in this document is accurate yet the information contained within is supplied “as-is”.
Page 6 Note Notes call attention to important information that should be observed. Connector Type Describes the connector that must be used with the congatec COM Express evaluation carrier board, not the connector found on the ® congatec COM Expres evaluation carrier board.
Page 7 (c) arising from course of performance, course of dealing, or usage of trade. congatec GmbH shall in no event be liable to the end user for collateral or consequential damages of any kind. congatec shall not otherwise be liable for loss, damage or expense directly or indirectly arising from the use of the product or from any other cause.
Page 8 COM Express ® Concept............12 4.7.3.5 Flat Panel and Backlight Power Supply Connection ....37 conga-TEVAL3/COMe 3.1 ............12 4.7.3.6 Flat Panel Configuration Data ..........38 Order Number ................. 13 Universal Serial Bus (USB) ............38 Connector Layout ..............14 4.8.1...
Page 9 Buttons ..................59 5.1.1 Power ..................59 5.1.2 Reset ..................59 5.1.3 LID .................... 59 5.1.4 Sleep ..................60 Beeper ..................60 Ground Test Points ..............60 Debug Display ................. 61 Mechanical Dimensions ............62 Copyright © 2025 congatec GmbH TEVA31_m001 9/62...
Page 10 X24 - SATA Power Pinout Description ........42 Table 33 GbE (X34) Status LEDs ............. 43 Table 34 JP2 - Ethernet LEDs Power Configuration ....... 43 Table 35 X33 - Ethernet SDP ..............43 Copyright © 2025 congatec GmbH TEVA31_m001 10/62...
Page 11 Gigabit Ethernet LVDS Low Voltage Differential Signaling HBR3 High Bit Rate 3 Display Data Channel GPIO General Purpose Input/Output Embedded DisplayPort LVDS Low Voltage Differential Signaling Not connected Not available T.B.D To be determined Copyright © 2025 congatec GmbH TEVA31_m001 11/62...
Page 12 The various features and capabilities offered by the conga-TEVAL3/COMe 3.1 make it ideal for the integration of Compact and Basic form factor CPU modules.
Page 13 Order Number Table 1 Order Description Part Number Product Name Description 065820 conga-TEVAL3/COMe 3.1 Evaluation carrier board for COM Express Type 6 rev. 3.1 modules ® Copyright © 2025 congatec GmbH TEVA31_m001 13/62...
Page 15 Four 14-segment displays for POST code information HD audio codec (92HD91) Super I/O (Nuvoton NCT6122D) Note The module must also support features for them to function. Refer to the module’s user’s guide for information about supported features. Copyright © 2025 congatec GmbH TEVA31_m001 15/62...
Page 16 • 294.0 mm x 244.0 mm • ATX form factor Note 3D models of congatec products are available at www.congatec.com/login. These models indicate the overall length, height and width of each product. If you need login access, contact your local sales representative. Environmental Specifications Temperature Operation: -40°C to +85°C...
Page 17 SATA0_RX- SATA1_RX- eDP_TX0+/LVDS_A2+ LVDS_B2+ GND (FIXED) GND (FIXED) eDP_TX0-/LVDS_A2- LVDS_B2- SATA2_TX+ SATA3_TX+ eDP_VDD_EN/LVDS_VDD_EN B77 LVDS_B3+ SATA2_TX- SATA3_TX- LVDS_A3+ LVDS_B3- SUS_S5# PWR_OK LVDS_A3- eDP_BKLT_EN/LVDS_BKLT_EN SATA2_RX+ SATA3_RX+ GND (FIXED) GND (FIXED) SATA2_RX- SATA3_RX- eDP_TX3+/LVDS_A_CK+ LVDS_B_CK+ Copyright © 2025 congatec GmbH TEVA31_m001 17/62...
Page 18 A106 VCC_12V B106 VCC_12V PCIE_TX5+ PCIE_RX5+ A107 VCC_12V B107 VCC_12V PCIE_TX5- PCIE_RX5- A108 VCC_12V B108 VCC_12V GPI0 GPO1 A109 VCC_12V B109 VCC_12V PCIE_TX4+ PCIE_RX4+ A110 GND (FIXED) B110 GND (FIXED) Note Not supported Copyright © 2025 congatec GmbH TEVA31_m001 18/62...
Page 19 PEG_RX7- PEG_TX7- GND (FIXED) GND (FIXED) PCIE_RX7+ PCIE_TX7+ PCIE_RX7- PCIE_TX7- PEG_RX8+ PEG_TX8+ DDI1_HPD PEG_RX8- PEG_TX8- SML0_CLK GND (FIXED) GND (FIXED) SML0_DAT DDI1_PAIR0+ / PEG_RX9+ PEG_TX9+ USB4_1_SSTX0+ SML1_CLK DDI1_PAIR0- / PEG_RX9- PEG_TX9- USB4_1_SSTX0- SML1_DAT Copyright © 2025 congatec GmbH TEVA31_m001 19/62...
Page 20 GND (FIXED) GND (FIXED) C106 VCC_12V D106 VCC_12V PEG_RX0+ PEG_TX0+ C107 VCC_12V D107 VCC_12V PEG_RX0- PEG_TX0- C108 VCC_12V D108 VCC_12V TYPE0# PEG_LANE_RV# C109 VCC_12V D109 VCC_12V PEG_RX1+ PEG_TX1+ C110 GND (FIXED) D110 GND (FIXED) Copyright © 2025 congatec GmbH TEVA31_m001 20/62...
Page 21 Power Supply Connector The conga-TEVAL3/COMe 3.1 provides the following connectors for power supply: • standard 24-pin ATX power connector (X63) • standard 4-pin ATX12V power connector (X67) • 12 V DC banana jack (X41 and X42) Note 1. In ATX mode, the +3.3 V, +5 V and +12 V are derived from the ATX power supply. If you supply 12 V DC power via the DC banana jack, the onboard DC/DC regulators will generate the 3.3 V, 5 V and 12 V.
Page 22 4.3.1 ATX Power Connectors The conga-TEVAL3/COMe 3.1 provides a standard 24-pin ATX power connector (X63) and 4-pin ATX12V power connector (X67) for an ATX power supply. The ATX power supply is controlled by the COMe module. The power supply’s behavior depends on BIOS settings.
Page 23 1. The ATX 5V standby disconnection is for debug purpose only. Don’t use it for normal operation. 2. The SW26 button serves the same function as the JP11 jumper. The 5V standby will be disconnected by pressing SW26. Copyright © 2025 congatec GmbH TEVA31_m001...
Page 24 3. DC Banana Jack The conga-TEVAL3/COMe 3.1 provides banana jacks X41 and X42 for DC power supply. This power supply supplies power to both the module and the voltage regulators on the carrier board. Although the carrier board is designed for input voltage range of 8 - 19 V, the input voltage range is defined by the module (usually 12 V).
Page 25 Status LEDs D68-D72, D84-D86 The status LEDs indicate the different power states of the conga-TEVAL3/COMe 3.1. You can connect an external power LED to pin header X58. Table 10 Power LEDs Status LED Status Description The green LED indicates the signal SUS_S3# is high.
Page 26 The module’s RSMRST_OUT# signal controls power for all USB ports. This prevents backpowering from USB devices to the chipset on the module. Table 13 SW1 - USB Ports Enable Control Switch Position Description 1 2 3 4 RSMRST_OUT# default) SUS_SLP3#_LATCH SUS_SLP3# Standby Pull-up resistor Note Set only one switch to “ON”. Copyright © 2025 congatec GmbH TEVA31_m001 26/62...
Page 27 ‘PS_ON#’ signal of the ATX power supply. CMOS Battery Holder The conga-TEVAL3/COMe 3.1 provides holder M30 for attaching a CR2032 CMOS battery. The battery supplies power to the RTC and CMOS memory. To disconnect the RTC battery, set jumper JP8 to position 2-3.
Page 28 PCIe Connectors The conga-TEVAL3/COMe 3.1 provides: • one x4 PCIe slot connector X9 (PCIe lanes 0–3) • two x1 PCIe slot connectors X7, X8 (PCIe lanes 6 and 7) • one M.2 key B socket connector X12 (PCIe lane 4) •...
Page 29 4.5.1 PEG x16 Slot The conga-TEVAL3/COMe 3.1 provides a PEG port on a standard PCIe x16 connector (X6). Connector Type X6: PCIe card 4.5.2 PCIe x4 Slot The conga-TEVAL3/COMe 3.1 provides a standard PCIe x4 connector (X9). Connector Type X9: PCIe card 4.5.3...
Page 30 M.2 Key B The conga-TEVAL3/COMe 3.1 provides one standard M.2 Key B socket connector X12. The socket is routed to the module’s PCIe lane 4 and the USB port 6. It supports WWAN and SSD NVMe memory devices. LED D3 is connected to the M.2 pin 10 and indicates activity depending on a used M.2 key B device.
Page 31 M.2 Key E The conga-TEVAL3/COMe 3.1 provides one standard M.2 Key E socket connector X16. The socket is routed to the module’s PCIe lane 5 and the USB port 7. It is typically used for PCIe / USB WiFI cards. LEDs D6 and D7 are connected to the M.2 pins 6 and 16 and indicate activity depending on a used M.2 key E device.
Page 32 SD Card Slot The conga-TEVAL3/COMe 3.1 features a full-size SD card slot connector X28. The slot is routed to the module’s SDIO interface, which is multiplexed with GPIO. The conga-TEVAL3/COMe 3.1 demultiplexes the shared signals, and routes the demultiplexed signals to either the SD card slot (SDIO mode) or the feature connector (GPIO mode).
Page 33 4.7.2 DP++ The conga-TEVAL3/COMe 3.1 provides one DP++ interface on the connector X37. This interface is routed to the module’s DDI3 signals. You can connect a DP++ to HDMI adapter to the DP++ connector if your module supports it. Connector Type X37: Standard DP 4.7.3...
Page 34 PANEL_PWR eDP_TX3- eDP_TX3+ eDP_TX2- eDP_TX2+ eDP_HPD eDP_TX1- eDP_TX1+ eDP_TX0- eDP_LVDS_BKLT_EN eDP_TX0+ eDP_LVDS_BKLT_CTRL N.C. eDP]_AUX+ N.C. eDP_AUX- BKLT_PWR PANEL_PWR BKLT_PWR PANEL_PWR BKLT_PWR PANEL_PWR Connector Type X39: 0.5 mm, 40 Pos. ACES series 50204 connector Copyright © 2025 congatec GmbH TEVA31_m001 34/62...
Page 35 LVDS0_D0+ LCD0_ VDD_EN LVDS0_D1- LVDS0_D1+ LCD0_BKLTEN LVDS0_D2+ LVDS0_D2- N.C. LVDS0_CLK- LVDS0_CLK+ N.C. LVDS0_D3+ LVDS0_D3- LVDS1_D0- LVDS1_D0+ LVDS1_D1- LVDS1_D1+ LVDS1_D2- LVDS1_D2+ LVDS1_CLK+ LVDS1_CLK LVDS1_D3+ LVDS1_D3- Connector Type X38: 2 mm, 2 x 17-pin socket Copyright © 2025 congatec GmbH TEVA31_m001 35/62...
Page 36 4.7.3.4 Flat Panel and Backlight Voltage Selection The conga-TEVAL3/COMe 3.1 supports different voltages for the panel and backlight. Follow the descriptions in the tables below to set the panel and backlight voltages, and the polarity of the backlight enable signal.
Page 37 Flat Panel and Backlight Power Supply Connection 2.0A +12V [4] +12V 1.5A [3] +5V +3.3V LVDS_VDD_EN 1.5A [1] VDD_LCD LFP_BKLT_EN_SEL [5] LCD0_VDD_EN 2.0A [2] VDD_BKLT [6] LCD0_BKLT_EN LVDS_BKLT_CTRL [8] LCD0_BKLT_PWM [9] GND [10] GND Copyright © 2025 congatec GmbH TEVA31_m001 37/62...
Page 38 The flat panel configuration data (EPI extended EDID™ 1.3 file) for most common displays is included in the congatec COM Express ® module’s system BIOS. On the conga-TEVAL3/COMe 3.1, you can store a customized EPI extended EDID™ 1.3 file in a serial EEPROM located on DIL SOIC8 socket U35. The following EEPROMs are supported at address A0h: • 24C02 •...
Page 39 4.8.1 USB4 Type-C The conga-TEVAL3/COMe 3.1 provides two USB4 ports via USB Type-C connectors (X35 and X36) from module USB4 port 1 and port 2 (shared pins with DDI1/DDI2). Note The ports provide a power source of 5V / 3A. Power sink is not supported.
Page 40 USB Type-B (Client Mode) The conga-TEVAL3/COMe 3.1 provides a USB 2.0 Type B port via a connector X31 for USB client mode. Its USB signals are shared with USB port 0 (lower slot of USB connector X29). Use DIP SW5.1 to route the shared signals to connector X31 (client port). For DIP SW5.1 configuration, see Table 29 “SW5.1 - USB Port 0 Connection”.
Page 41 SATA/SATADOM The conga-TEVAL3/COMe 3.1 provides four standard SATA 6 Gbps connectors (X20 - X23). SATADOM devices are supported on all connectors while external power is connected. Use jumper JP1 to provide +5V power on pin 7 of connector X20. The 5V power rail on SATA0 pin 7 (SATADOM mode) is protected by a 0.5A fuse.
Page 42 X25: 4-pin “MOLEX” power male connector 4.8.6 SATA Power The conga-TEVAL3/COMe 3.1 provides a standard 15-pin SATA power connector (X24). This connector supplies 3.3 V, 5 V and 12 V protected by a polyfuse 2A, 2A, 1.5A shared with X25. Table 32...
Page 43 X24: 15-pin standard SATA power receptacle connector Gigabit Ethernet (GbE) The conga-TEVAL3/COMe 3.1 provides a 2.5 Gigabit Ethernet port on a standard RJ45 connector (X34). Use a JP2 jumper to set the power rail for the status LEDs on connector X32.
Page 44 1. To disable the onboard codec, set DIP SW 9.2 to ON. See section 4.10.4 “HDA/SoundWire Adapter/Debug Header” for DIP SW 9.2 configuration . 2. The Windows driver for the codec can be found on the congatec website at www.congatec.com in the ‘Products’ section under ‘Accessories’. Copyright © 2025 congatec GmbH...
Page 45 A_GND Analog ground MIC-IN Connector Type X47 Upper Jack: 3-pin, 3.5 mm single audio jack 4.10.3 Optical S/PDIF-Out The conga-TEVAL3/COMe 3.1 provides S/PDIF-OUT signal on connector X48. Connector Type X48: TOSLINK Optical cable Copyright © 2025 congatec GmbH TEVA31_m001 45/62...
Page 46 4.10.4 HDA/SoundWire Adapter/Debug Header The HDA header X49 enables the connection of various HDA solutions to the conga-TEVAL3/COMe 3.1. The DIP SW9.2 can be used to disable the onboard HDA codec. Table 38 SW9.2 - HDA Codec Configuration Setting Configuration...
Page 47 The 8-pin DIL socket supports various 2-wire 3.3 V serial EEPROMS such as 24C04, 24C08 and 24C16. Use the I²C control commands implemented in the congatec CGOS API driver to access the EEPROMs. For more information, refer to the CGOS manual and the user’s guide of the COM Express module.
Page 48 4.14 LPC/eSPI On the conga-TEVAL3/COMe 3.1, the module’s LPC/eSPI interface is routed to: • LPC/eSPI header (X51) • LPC/eSPI Super I/O controller • LPC POST code decoder The Super I/O controller provides the following interfaces: • Two Serial ports (connector X52 and X53) •...
Page 49 The LPC/eSPI interface from the module is also routed to connector X51. Table 44 X51 - LPC/eSPI Pinout Description SW10 Signals Signals LPC_FRAME#/ESPI_CS0# LPC_CLK/ESPI_CLK LPC_AD3/ESPI_IO3 LPC_AD2/ESPI_IO2 PLT_RST# LPC_AD1/ESPI_IO1 VCC3V3 LPC_AD0/ESPI_IO0 SUS_STAT#/ESPI_RST# LPC_SERIRQ/ESPI_CS1# VCC3V3_SBY LPC_DRQ0#/ESPI_ALERT0# Connector Type X51: 2.54 mm, 2 x 7-pin socket Copyright © 2025 congatec GmbH TEVA31_m001 49/62...
Page 50 Super I/O COM Port 0 Header The conga-TEVAL3/COMe 3.1 provides COM port 0 on connector X53 via the onboard Super I/O. The port supports RS 232, RS 422 and RS 485 I/O voltage levels. Use DIP SW12 and SW13 to configure the functionality of COM Port 0 transceiver.
Page 51 X53: 2.54 mm, 2 x 5-pin receptacle 4.16.2 Super I/O COM Port 1 Header The conga-TEVAL3/COMe 3.1 provides COM port 1 on connector X52 via the onboard Super I/O. The port supports only RS 232 I/O voltage levels. Table 48...
Page 52 4.16.3 Module Serial Port 0 The module’s serial port 0 (SER0) is connected to pins 41 and 43 of the feature connector X56 on the conga-TEVAL3/COMe 3.1. The serial port 0 (SER0) is also routed to the connector X74. For the feature connector pinout description, see 4.22 “Feature Connector”.
Page 53 The CAN Bus interface is supported only if the module provides it. Connector Type X59: 4-pin, 1.25 mm pitch PicoBlade header Table 53 X75 - Module Serial Port 1 Pinout Description Signals Signals SER1_RX SER1_TX Connector Type X75: 2.54 mm, 2 x 5-pin receptacle Copyright © 2025 congatec GmbH TEVA31_m001 53/62...
Page 54 4.17 System Fan Header The conga-TEVAL3/COMe 3.1 provides a 3-pin fan connector X55 via the Super I/O controller. Use jumpers: • JP5 to set the fan’s supply voltage level • JP6 to select the fan’s control source Table 54 X55 - SYS Fan Pinout...
Page 55 4.18 CPU Fan Header The conga-TEVAL3/COMe 3.1 provides a 4-pin fan connector X60. Set the fan’s supply voltage level with jumper JP10. Table 57 X60 - CPU Fan Pin Signal +VDD (12 V / 5 V) Sense Control Table 58...
Page 56 4.19 Smart Battery Management Header The conga-TEVAL3/COMe 3.1 provides connector X61 for attaching smart battery module kits. Table 59 X61 - SBM Pinout Signal SUS_S5# SUS_S3# SUS_STAT# I2C_DAT I2C_CLK BATLOW# PWRBTN# SYS_RST# PWR_OK Connector Type X61: 1.25mm, 10-pin pitch PicoBlade receptacle Copyright ©...
Page 57 4.20 Debug Pin Header The conga-TEVAL3/COMe 3.1 provides pin header X57 for measuring or debugging WAKE0#(PCIE_WAKE#) and CB_RESET# signals. Table 60 X57 - Debug Pin Header Signal CB_RESET# RAPID_SHUTDOWN WAKE0# Connector Type X57: 2.54mm, 2 x 2-pin, 2.54mm receptacle 4.21 Internal Use Only The pin header X62 is for congatec internal use only.
Page 58 System Management Bus bidirectional clock line. I2C_CLK General purpose I²C port clock output. SMB_DAT System Management Bus bidirectional data line. CGBC_TX congatec Board Controller debug port GPO0 General Purpose Output 0 CGBC_RX congatec Board Controller debug port GPO1 General Purpose Output 1 PS_ON# Power supply on (active low).
Page 59 Additional Features Buttons The conga-TEVAL3/COMe 3.1 features the power, reset, LID and sleep buttons. 5.1.1 Power When you press the power button SW16, it triggers the module’s PWRBTN# signal. The triggered event usually initiates a transition from one power state to another (for example, from S5 to S0). However, the system’s behavior depends on the ACPI settings of the Operating System.
Page 60 Ground Test Points The conga-TEVAL3/COMe 3.1 provides 7 test points (M1, M2, M3, M4, M50, M51, M52, M53). These test points are connected to ground and they make it easier to connect oscilloscope probes or multimeter lines or both to ground during measurements.
Page 61 Debug Display The conga-TEVAL3/COMe 3.1 provides four 14-segment displays (D53-D56) for post code or debug information. Use the tables below to configure the post code decoding process. A list of the BIOS POST codes and associated POST test and initialization routines for congatec COM Express modules is available at ®...

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