Advantech SOM-6872VC-H0A1 User Manual
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Advantech SOM-6872VC-H0A1 User Manual

Advantech SOM-6872VC-H0A1 User Manual

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Summary of Contents for Advantech SOM-6872VC-H0A1

  • Page 1 User Manual SOM-6872...

  • Page 2: Product Warranty (2 Years)

    No part of this manual may be reproduced, copied, translated, or transmitted in any form or by any means without the prior written permission of Advantech Co., Ltd. The information provided in this manual is intended to be accurate and reliable.

  • Page 3: Declaration Of Conformity

    This product has passed the CE test for environmental specifications when shielded cables are used for external wiring. We recommend the use of shielded cables. This type of cable is available from Advantech. Please contact your local supplier for ordering information.

  • Page 4: Warnings, Cautions, And Notes

    Document Feedback To assist us with improving this manual, we welcome all comments and constructive criticism. Please send all feedback in writing to support@advantech.com. Packing List Before system installation, check that the items listed below are included and in good condition.

  • Page 5: Safety Instructions

    In accordance with IEC 704-1:1982 specifications, the sound pressure level at the operator’s position does not exceed 70 dB (A). DISCLAIMER: These instructions are provided according to IEC 704-1 standards. Advantech disclaims all responsibility for the accuracy of any statements contained herein. SOM-6872 User Manual...

  • Page 6: Safety Precautions - Static Electricity

    Safety Precautions - Static Electricity Follow these simple precautions to protect yourself from harm and the products from damage. To avoid electrical shock, always disconnect the power from the PC chassis  before manual handling. Do not touch any components on the CPU card or other cards while the PC is powered on.

  • Page 7: Table Of Contents

    Table of Contents Chapter General Information ......1 Introduction ....................2 Functional Block Diagram ................. 3 Figure 1.1 Functional block diagram..........3 Product Specifications................4 1.3.1 Compliance ................... 4 1.3.2 Feature List ................... 4 1.3.3 Processor System................. 5 1.3.4 Graphics/Audio ................6 1.3.5 Expansion Interfaces ..............
  • Page 8 Figure 3.8 Serial port 2 configuration screen......27 Figure 3.9 Hardware monitor screen ......... 28 Figure 3.10ACPI Report method configuration screen....29 3.4.4 Serial Port Console Redirection..........30 Figure 3.11Serial port console redirection screen ...... 30 Figure 3.12Console redirection Settings screen......31 3.4.5 CPU Configuration..............
  • Page 9 S/W Introduction and Installation ..65 S/W Introduction..................66 Driver Installation ..................66 4.2.1 Windows Driver Setup ..............66 4.2.2 Other OS..................66 Advantech iManager ................67 Appendix A Pin Assignment .........69 SOM-6872 Type 6 Pin Assignment............70 Appendix B Watchdog Timer ........75 Programming the Watchdog Timer ............
  • Page 10 SOM-6872 User Manual...

  • Page 11: Chapter 1 General Information

    Chapter General Information This chapter details background information on the SOM-6872 CPU Computer on Module. Sections include:  Introduction  Functional Block Diagram  Product Specification...

  • Page 12: Introduction

    Introduction Advantech’s SOM-6872 COM Express Type 6 module is equipped with an AMD Ryzen™ Embedded V2000 SoC. This module delivers excellent performance and supports 8 x cores, 16 x threads, turbo boost (up to 4.25GHz), and 4 x independent 4K displays. Advantech’s SOM-6872 features built-in I/O interfaces and facilitates excellent graphic performance without requiring additional graphics cards.

  • Page 13: Functional Block Diagram

    PCI Express Graphics Real Time Clock – battery backed circuit in PC-AT systems that keeps system time and date as well as certain system setup parameters. Serial Presence Detect – refers to serial EEPROM on DRAMs that has DRAM Module configuration information. Trusted Platform Module, chip to enhance the security features of a computer system.

  • Page 14: Product Specifications

    Product Specifications 1.3.1 Compliance PICMG COM Express R3.0 Compact module  Compact Size – 95 x 95 mm (3.73 x 3.74 in)  Pin-out Type 6 compatible  1.3.2 Feature List Type 6 Define Feature Type Connector Row Feature SOM-6872 Max.

  • Page 15: Processor System

    LAN Port 0 (Gigabit Ethernet) SATA USB 2.0 USB Client HD Audio SPI Bus General Purpose I/O (GPIO) SDIO (muxed on GPIO) Express Card Sup- port Watchdog Timer Output Speaker Out External BIOS ROM Support Power Button Sup- port Power Good VCC_5V_SBY Con- tacts Sleep...

  • Page 16: Graphics/Audio

    PCI Express x1: Supports default 5 x ports PCIe x1 compliant to PCIe Gen 3 (8.0 GT/ s) specifications, configurable to PCIe x4 or PCIe x2. Several configurable combina- tions may need BIOS modifiers. Please contact the Advantech sales team or FAE for further details.

  • Page 17: Serial Bus

    1.3.5.2 Supports Low Pin Count (LPC) 1.1 specification, without DMA or bus mastering. Sup- ports connection to Super I/O, embedded controller, or TPM. LPC clock is 24MHz. 1.3.6 Serial Bus 1.3.6.1 SMBus Supports SMBus 2.0 specification with Alert pin. 1.3.6.2 I2C Bus Supports I2C bus 7-bit and 10-bit address modes.
  • Page 18 1.3.7.8 Serial Ports 2 x ports, 2-wire serial port (Tx/Rx) supports 16550 UART compliance. Programmable FIFO or character mode  16-byte FIFO buffer on transmitter and receiver in FIFO mode  Programmable serial-interface characteristics: 5, 6, 7, or 8-bit character ...

  • Page 19: Power Management

    Purpose: The standard module has no jumper at CN1, so BIOS settings are main- tained without a RTC coin battery. If you need to restore BIOS default settings, please follow the steps below: 1. Remove the Coin Battery 2. Put the jumper on CN1 pin1-2 3.

  • Page 20: Environment

    1.3.8.5 Advantech S5 ECO Mode (Deep Sleep Mode) Advantech iManager provides additional features that allow the system to enter a very low suspend power mode called S5 ECO mode. In this mode, the module will cut all power, including suspend and active power, into chipset and keep an on-mod- ule controller active.

  • Page 21: Power Consumption

    0.176W 4.82uA S7A1 Hardware Configuration: MB: SOM-6872VCA-U9A1 (PCB: A101-1) DRAM: 2 x Advantech 32G 2R x8 DDR4 3200 ECC SO Other board: SOM-EA01 Test Conditions: Test temperature: room temperature (about 25 °C/77 °F) Test voltage: rated voltage DC +12.0V Test loading: Maximum load mode: Running programs.

  • Page 22: Development Board

    The layout checklist will specify the layout constraints and recommendations for trace length, impedance, and other necessary information during design. Please contact your nearest Advantech branch office or call to acquire design docu- ments and further advance support. ...

  • Page 23: Chapter 2 Mechanical Information

    Chapter Mechanical Information This chapter details mechanical information on the SOM-6872 CPU Computer on Module. Sections include:  Board Information  Mechanical Drawing  Assembly Drawing...

  • Page 24: Board Information

    Board Information The figures below represent the main chips on the SOM-6872 Computer-on-Module. Please be aware of these positions when designing carrier boards to avoid mechani- cal problems. Use the thermal solution contacts for best thermal dissipation perfor- mance. DDR4 SODIMM Socket AMD Ryzen V2000 SoC Embedded Controller Figure 2.1 Board chip identification –...

  • Page 25: Connector List

    Table 2.1: SFAN1 Fan SFAN1 Description Wafer 1 x 3P/1.25mm/(M)/NY46/RA/Sn/S/WH/H3.4mm Pin Name Fan Tach0-Input Fan Out Mechanical Diagram For more details about 2D/3D models, check out Advantech’s COM support service website http://com.advantech.com. Figure 2.3 Board mechanical diagram - front SOM-6872 User Manual...
  • Page 26 Figure 2.4 Board mechanical diagram - rear Figure 2.5 Board mechanical diagram - side SOM-6872 User Manual...

  • Page 27: Assembly Drawing

    Please consider the CPU and chip height tolerance when designing your thermal solution. Figure 2.7 AMD FP6 height and tolerance (For all other SKUs please contact Advantech sales or FAE for more details) SOM-6872 User Manual...
  • Page 28 SOM-6872 User Manual...

  • Page 29: Chapter 3 Ami Bios

    Chapter AMI BIOS This chapter details BIOS setup information for the SOM-6872 CPU computer-on module. Sections include:  Introduction  Entering Setup  Hot/Operation Key  Exit BIOS Setup Utility...

  • Page 30: Introduction

    Introduction AMI BIOS has been integrated into many motherboards for over a decade. With the AMI BIOS Setup Utility, users can modify BIOS settings and control various system features. This chapter describes the basic navigation of the BIOS Setup Utility. Figure 3.1 Setup program initial screen AMI's BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration.

  • Page 31: Main Setup

    Main Setup When users first enter the BIOS Setup Utility, users will enter the Main setup screen. Users can always return to the Main setup screen by selecting the Main tab. There are two Main Setup options. They are described in this section. The Main BIOS Setup screen is shown below.

  • Page 32: Advanced Bios Features Setup

    Advanced BIOS Features Setup Select the Advanced tab from the SOM-6872 setup screen to enter the Advanced BIOS Setup screen. Users can select any item in the left frame of the screen, such as CPU Configuration, to go to the sub menu for that item. Users can display an Advanced BIOS Setup option by highlighting it using the <Arrow>...

  • Page 33: Trusted Computing

    Network Stack Configuration  Network Stack Settings NVME Configuration  3.4.1 Trusted Computing Figure 3.4 Trusted computing screen Security Device Support  Enables or Disables BIOS support for security device. The OS will not show Security Device. TCG EFI protocol and INT1A interface will not be available SHA-1 PCR Bank ...

  • Page 34: Acpi Settings

    TPM2.0 Interface Type  Select the communication interface to TPM2.0 device Device select  TPM1.2 will restrict support to TPM1.2 devices, TPM2.0 will restrict support to TPM2.0 devices, Auto will support both with the default set to TPM2.0 devices if not found, TPM1.2 devices will enumerated 3.4.2 ACPI Settings...

  • Page 35: Embedded Controller

    3.4.3 Embedded Controller Figure 3.6 Embedded controller screen CPU Shutdown Temperature  CPU Shutdown Temperature Smart Fan-COM Module  Control COM Module Smart Fan function. Get value from EC and only set value when save changes Smart Fan - Carrier Board ...
  • Page 36 I2C Controller  Enable/Disable I2C controller on RDC-IS200 3.4.3.1 Serial Port 1 Configuration Figure 3.7 Serial port 1 configuration screen Serial Port  Enable or Disable Serial Port (COM) Device Settings  Set Parameters of Serial Port 1 (COMA) Change Settings ...
  • Page 37 3.4.3.2 Serial Port 2 Configuration Figure 3.8 Serial port 2 configuration screen Serial Port  Enable or Disable Serial Port (COM) Device Settings  Set Parameters of Serial Port 2 (COMB) Change Settings  Select an optimal settings for Super IO Device SOM-6872 User Manual...
  • Page 38 3.4.3.3 Hardware Monitor Figure 3.9 Hardware monitor screen SOM-6872 User Manual...
  • Page 39 3.4.3.4 ACPI Report Method Configuration Figure 3.10 ACPI Report method configuration screen Active High-Speed COM Port  Standard -> Standard COM Port. High Speed -> High Speed COM Port(Driver installation is necessary) ACPI Report Method for CAN Bus  Select the ACPI reporting method for EC CAN Bus. Hidden -> Reported as reserved motherboard resource.

  • Page 40: Serial Port Console Redirection

    3.4.4 Serial Port Console Redirection Figure 3.11 Serial port console redirection screen COM1 Console Redirection  Console Redirection Enable or Disable. Console Redirection Settings  The settings specify how the host computer and the remote computer (which the user is using) will exchange data. Both computers should have the same or compatible settings.
  • Page 41 3.4.4.1 Console Redirection Settings Figure 3.12 Console redirection Settings screen Terminal Type  Emulation:ANSI:Extended ASCII char set. VT1000:ASCII char set. V100+:Extends VT100 to support color, function keys, etc. VT-UTF8:Uses UTF8 encoding to map Unicode chars onto 1 or more bytes Bits Per second ...

  • Page 42: Cpu Configuration

    Resolution 100X31  Enables or disables extended terminal resolution Putty Keypad  Select FunctionKey and KeyPad on Putty 3.4.5 CPU Configuration Figure 3.13 CPU configuration screen PSS Support  Enable/Disable the generation of ACPI_PPC, _PSS and PCT objects PPC Adjustment ...
  • Page 43 Figure 3.14 Socket0 screen SOM-6872 User Manual...

  • Page 44: Sata Configuration

    3.4.6 SATA Configuration Figure 3.15 SATA configuration screen SOM-6872 User Manual...

  • Page 45: Usb Configuration

    3.4.7 USB Configuration Figure 3.16 USB configuration screen Legacy USB Support  Enables Legacy USB support. AUTO option disables legacy support if no USB devices are connected. DISABLE option will keep USB devices available only for EFI applications. XHCI Hand-off ...

  • Page 46: Ami Rom Dispatch Policy

    3.4.8 AMI ROM Dispatch Policy Figure 3.17 AMI ROM dispatch policy screen Restore if Failure  If system fails to boot and this option is set to “enabled”, software will reset set- tings of this page as well as CSH page to its default values automatically Primary Video Ignore ...
  • Page 47 Figure 3.18 AMI PCI driver version screen Above 4G Decoding  Globally enables or disables 64bits cable devices to be decoded in above 4G address space (only if system supports 64 bit PCI decoding) SR-IOV support  If system has SR-IOV capable PCIe devices, this option enables or disables sin- gle root IO virtualization support BHE DNA mitigation ...

  • Page 48: Network Stack

    3.4.9 Network Stack Figure 3.19 Network stack screen Network Stack  Enable/Disable UEFI Network Stack 3.4.9.1 Network Stack Configuration Figure 3.20 Network stack screen SOM-6872 User Manual...

  • Page 49: Nvme Configuration

    Network Stack  Enable/Disable UEFI Network Stack IPv4 PXE support  Enable/Disable IPv4 PXE boot support. If disabled, IPv4 PXE boot support will not be available IPv4 HTTP Support  Enable/Disable IPv4 HTTP boot support. If disabled, IPv4 HTTP boot support will not be available IPv6 PXE Support ...

  • Page 50: Amd Cbs

    3.4.11 AMD CBS Figure 3.22 CPU Common options screen CPU Common Options  CPU common options NBIO Common Options  NBIO Common Options FCH Common Options  FCH Common Options SOM-6872 User Manual...
  • Page 51 3.4.11.1 CPU Common Options Figure 3.23 CPU Common options screen Core Performance Boost  Disable CPB Global C-State Control  Control IO based C-state generation and DF C-states. There is another DF Cstate option which will be synchronized with this option if DF Cstate option is auto SOM-6872 User Manual...
  • Page 52 3.4.11.2 NBIO Common Options Figure 3.24 NBIO Common options screen IOMMU  Enable/Disable IOMMU PCIe ARI Support  Enable /Disable ARI PSPP Policy  No help string Audio Configuration  Audio Configuration SMU Common Options  SMU Common Options SOM-6872 User Manual...
  • Page 53 Audio Configuration Figure 3.25 Audio configuration screen NB Azalia  Enable Integrate HD Audio Controller Audio IOs  Audio IOs Control SOM-6872 User Manual...
  • Page 54 SMU Common Options Figure 3.26 SMU Common options screen System Configuration  Warning: Select system configuration may cause the system to hang, as some system configuration may not be supported by your OPN CPPC  CPPC SOM-6872 User Manual...
  • Page 55 CPPC  Figure 3.27 CPPC screen CPPC CTRL CCPC Control: Enable-Override, Disable-Set default SOM-6872 User Manual...
  • Page 56 FCH Common Options Figure 3.28 FCH Common options screen SATA Configuration Options  SATA Configuration Options USB Configuration Options  USB Configuration Options Ac Power Loss Options  Ac Power Loss Options SOM-6872 User Manual...
  • Page 57 SATA Configuration Options  Figure 3.29 SATA Configuration options screen SATA Controller(s) Disable or enable onchip SATA controller SATA Auto Shutdown Disable SATA controller if there is no port connection SATA RAS Support Disable or enable SATA RAS support SATA Disable AHCI Prefetch Function Disable or enable SATA Disabled AHCI Prefetch Function Aggressive SATA Device Sleep Port0...
  • Page 58 USB Configuration Options  Figure 3.30 USB Configuration options screen xHCI0 controller enable Enable or disable USB3 controller xHCI1 controller enable Enable or disable USB3 controller Combo Phy Static Configuration Combo Phy Static Configuration SOM-6872 User Manual...
  • Page 59 Combo PHY Static Configuration Figure 3.31 Combo PHY static configuration screen – Controller 0 Combo PHY Static Config No help string – Controller 1 Combo PHY Static Config No help string SOM-6872 User Manual...
  • Page 60 Ac Power Loss Options  Figure 3.32 Ac Power loss options screen Ac Loss Control Select Ac Loss Control Method SOM-6872 User Manual...

  • Page 61: Amd Pbs

    3.4.12 AMD PBS Figure 3.33 AMD PBS screen D3cold Support  Enable/Disable PCIeX8 Slot D3Cold NVIDA DGPU Power Enable  For NVDIA mobile DGPU card only. Output DGPU_EN# S9 pin and DGPU_- SEL# B17 pin to high at every power on state Primary Video Adaptor ...

  • Page 62: Nic Configuration

    3.4.13 NIC Configuration Figure 3.34 NIC configuration screen NIC configuration  Click to configuration the network device port Blink LEDs  Identify the physical network port by blinking the associated LED SOM-6872 User Manual...
  • Page 63 Figure 3.35 Link speed screen Link Speed  Specifies the port speed used for the selected boot protocol Wake On Lan  Enables the server to be powered on using an in-band magic paket SOM-6872 User Manual...

  • Page 64: Chipset Settings

    Chipset Settings Select the chipset tab from the SOM-6872 setup screen to enter the chipset BIOS Setup screen. You can display a chipset BIOS setup option by highlighting it using the <Arrow> keys. All Plug and Play BIOS setup options are described in this section The Plug and Play BIOS Setup screen is shown below.
  • Page 65 3.5.1.1 SB USB Configuration Figure 3.37 SB USB Configuration screen SB USB Configuration Options For SB USB Configuration Figure 3.38 XHCI0/XHCI1 screen SOM-6872 User Manual...

  • Page 66: Nxp3460 Configuration

    XHCI0 Port0  Enable/Disable XHCI0 Port0(XHCI/EHCI) XHCI0 Port1  Enable/Disable XHCI0 Port1(XHCI/EHCI) XHCI0 Port2  Enable/Disable XHCI0 Port2(XHCI/EHCI) XHCI0 Port3  Enable/Disable XHCI0 Port3(XHCI/EHCI) 3.5.2 NXP3460 Configuration Figure 3.39 NXP3460 Configuration screen NXP non-EDID Support  NXP PTN3460 Support: Enable: Used internal EDID setting; Disable: Get EDID from DDC bus Color depth and packing format ...

  • Page 67: North Bridge

    3.5.3 North Bridge Figure 3.40 North bridge screen Total memory  Total memory in the system Socket0 Information  View information related to Socket0 SOM-6872 User Manual...

  • Page 68: Pcie Lanes Configuration

    3.5.3.1 Socket 0 Information Figure 3.41 Socket 0 information screen 3.5.4 PCIE Lanes Configuration Figure 3.42 PCIE Lanes Configuration screen SOM-6872 User Manual...
  • Page 69 PCIEX16_1 Port  PCIEX16_1 port setting has x8, x4x4 PCIE-4X1_1 Port  PCIE-4X1_1 Port setting has x4, x2, x1 Max RP number:6 and Onboard LAN PCIE-4X1_2 Port  PCIE-4X1_2 Port setting has x4, x1 Max RP number:6 and Onboard LAN Pcie Port Control ...

  • Page 70: Security Settings

    Security Settings Select Security Setup from the SOM-6872 Setup main BIOS setup menu. All Security Setup options, such as password protection is described in this section. To access the sub menu for the following items, select the item and press <Enter>: Figure 3.43 Security setting screen Administrator Password ...

  • Page 71: Secure Boot

    3.6.1 Secure Boot Figure 3.44 Secure boot screen Secure boot mode  Secure boot mode options: Standard or Custom. In custom mode, secure boot policy variables can be configured by a physically present user without full authentication Restore Factory Keys ...

  • Page 72: Vendor Keys

    3.6.2 Vendor Keys Figure 3.45 Vendor keys screen Factory Key Provision  Install factory default secure boot keys after the platform reset and while the system is in setup mode Restore Factory Keys  Force system to user mode. Install factory default secure boot key databases Reset To Setup Mode ...

  • Page 73: Boot Configuration

    3.6.3 Boot Configuration Figure 3.46 Boot Configuration screen Setup Prompt Timeout  Number of seconds to wait for setup activation key. 65535(0xFFFF) means indefinite waiting. Bootup NumLock State  Select the keyboard NumLock state Quiet Boot  Enables or disables Quiet Boot option Boot Option Priorities ...

  • Page 74: Save & Exit

    Save & Exit Figure 3.47 Security setup Save Options  Save Changes and Exit  Exit system setup after saving the changes. Discard Changes and Exit  Exit system setup without saving any changes. Save Changes and Reset  Reset the system after saving the changes. Discard Changes and Reset ...

  • Page 75: Chapter 4 S/W Introduction And Installation

    Chapter S/W Introduction and Installation  S/W Introduction  Driver Installation  Advantech iManager...

  • Page 76: S/W Introduction

    S/W Introduction Advantech Embedded Software Services’ mission is to "Enhance quality of life with Advantech platforms and Microsoft Windows embedded technology" We enable Win- dows Embedded software products on Advantech platforms to more effectively sup- port the embedded computing community. Customers are freed from the hassle of dealing with multiple vendors (Hardware suppliers, System integrators, Embedded OS distributors) for projects.

  • Page 77: Advantech Imanager

    It makes these embedded features easier to integrate, speed up develop- ing schedule, and provide the customer’s software continuity while upgrade hard- ware. More details of how to use the APIs and utilities, please refer to Advantech iManager 2.0 Software API User Manual.
  • Page 78 SOM-6872 User Manual...

  • Page 79: Appendix A Pin Assignment

    Appendix Pin Assignment This appendix provides informa- tion regarding the SOM-6872 CPU System on Module hardware pin assignment. Sections include:  SOM-6872 Type 6 Pin Assign- ment...

  • Page 80: Som-6872 Type 6 Pin Assignment

    This is compliant with COMR.0 R3.0 Type 6 pin-out definitions. For more details regarding the use of these pins and/or to acquire design reference, please contact Advantech. Advantech can provide a design guide, checklist, reference schematic, an/or hardware/software support. SOM-6872 Row A,B...
  • Page 81 GND (FIXED) GND (FIXED) USB2- USB3- USB2+ USB3+ USB_2_3_OC# USB_0_1_OC# USB0- USB1- USB0+ USB1+ VCC_RTC RSVD GBE0_SDP SYS_RESET# LPC_SERIRQ CB_RESET# GND (FIXED) GND (FIXED) PCIE_TX5+ PCIE_RX5+ PCIE_TX5- PCIE_RX5- GPI0 GPO1 PCIE_TX4+ PCIE_RX4+ PCIE_TX4- PCIE_RX4- GPO2 PCIE_TX3+ PCIE_RX3+ PCIE_TX3- PCIE_RX3- GND (FIXED) GND (FIXED) PCIE_TX2+ PCIE_RX2+...
  • Page 82 PCIE_CLK_REF- VGA_RED GND (FIXED) GND (FIXED) SPI_POWER VGA_GRN SPI_MISO VGA_BLU GPO0 VGA_HSYNC SPI_CLK VGA_VSYNC SPI_MOSI VGA_I2C_CK TPM_PP VGA_I2C_DAT SPI_CS# SER0_TX SER0_RX A100 GND (FIXED) B100 GND (FIXED) A101 SER1_TX B101 FAN_PWMOUT A102 SER1_RX B102 FAN_TACHIN A103 LID# B103 SLEEP# A104 VCC_12V B104 VCC_12V...
  • Page 83 DDI1_PAIR0+ DDI1_PAIR0- DDI1_PAIR1+ DDI1_PAIR1- GND (FIXED) GND (FIXED) DDI2_CTRLCLK_AUX+ DDI1_PAIR2+ DDI2_CTRLDATA_AUX- DDI1_PAIR2- DDI2_DDC_AUX_SEL DDI1_DDC_AUX_SEL DDI1_PAIR3+ DDI1_PAIR3- DDI2_PAIR0+ DDI2_PAIR0- GND (FIXED) GND (FIXED) DDI2_PAIR1+ DDI2_PAIR1- DDI2_HPD DDI2_PAIR2+ DDI2_PAIR2- DDI2_PAIR3+ DDI2_PAIR3- GND (FIXED) GND (FIXED) PEG_RX0- PEG_TX0+ PEG_RX0- PEG_TX0- PEG_RX1+ PEG_TX1+ PEG_RX1- PEG_TX1- TYPE2# (GND) PEG_RX2+...
  • Page 84 PEG_RX7+ PEG_TX7+ PEG_RX7- PEG_TX7- GND (FIXED) GND (FIXED) GND (FIXED) GND (FIXED) RSVD C100 GND (FIXED) D100 GND (FIXED) C101 D101 C102 D102 C103 D103 C104 VCC_12V D104 VCC_12V C105 VCC_12V D105 VCC_12V C106 VCC_12V D106 VCC_12V C107 VCC_12V D107 VCC_12V C108 VCC_12V...

  • Page 85: Appendix B Watchdog Timer

    Appendix Watchdog Timer This appendix provides informa- tion regarding the watchdog timer programming for the SOM-6872 CPU System on Module. Sections include:  Watchdog Timer Programming...

  • Page 86: Programming The Watchdog Timer

    Programming the Watchdog Timer Trigger Event Note (BIOS setting default disable)** Support Power Off Support H/W Restart Support WDT Pin Activate Support ** WDT new driver support automatically selects available IRQ number from BIOS, and then sets the EC. Only Windows 10 supports this feature. For other OS it uses the IRQ number from BIOS settings as usual.

  • Page 87: Appendix C Programming Gpio

    Appendix Programming GPIO This appendix details the General Purpose Input and Output pin set- tings Sections include:  System I/O ports...

  • Page 88: Gpio Register

    GPIO Register GPIO Byte Mapping H/W Pin Name BIT0 GPO0 BIT1 GPO1 BIT2 GPO2 BIT3 GPO3 BIT4 GPI0 BIT5 GPI1 BIT6 GPI2 BIT7 GPI3 For details, please refer to iManager and Software API User Manual. SOM-6872 User Manual...

  • Page 89: Appendix D System Assignments

    Appendix System Assignments This appendix details the system resource allocation on the SOM- 6872 CPU System on Module. Sections include:  System I/O ports  DMA Channel Assignments  Interrupt Assignments MB Memory Map  1...

  • Page 90: System I/O Ports

    System I/O Ports Table D.1: System I/O ports Addr.Range(Hex) Device 0x00000299-0x0000029A Motherboard resources 0x000002C0-0x000002DF Motherboard resources 0x000002A0-0x000002BF Motherboard resources 0x000002A0-0x000002BF Motherboard resources 0x00000290-0x0000029F Motherboard resources 0x0000029E-0x000002AD Motherboard resources 0x00000060-0x0000006F Motherboard resources 0x00000200-0x0000027F Motherboard resources 0x00000200-0x0000027F Motherboard resources 0x00000300-0x0000037F Motherboard resources 0x00000280-0x0000028F Motherboard resources 0x00000280-0x0000028F...

  • Page 91: Interrupt Assignments

    Table D.1: System I/O ports 0x0000040B-0x0000040B Motherboard resources 0x000004D6-0x000004D6 Motherboard resources 0x00000C00-0x00000C01 Motherboard resources 0x00000C14-0x00000C14 Motherboard resources 0x00000C50-0x00000C51 Motherboard resources 0x00000C52-0x00000C52 Motherboard resources 0x00000C6C-0x00000C6C Motherboard resources 0x00000C6F-0x00000C6F Motherboard resources 0x00000CD0-0x00000CD1 Motherboard resources 0x00000CD2-0x00000CD3 Motherboard resources 0x00000CD4-0x00000CD5 Motherboard resources 0x00000CD6-0x00000CD7 Motherboard resources 0x00000CD8-0x00000CDF Motherboard resources 0x00000800-0x0000089F...
  • Page 92 Table D.2: Interrupt Assignments IRQ 4294967281 Intel® I210 Gigabit Network Connection #4 IRQ 4294967280 Intel® I210 Gigabit Network Connection #4 IRQ 4294967279 Intel® I210 Gigabit Network Connection #4 IRQ 4294967278 Intel® I210 Gigabit Network Connection #4 IRQ 4294967277 Intel® I210 Gigabit Network Connection #4 IRQ 4294967276 Intel®...

  • Page 93: 1St Mb Memory Map

    MB Memory Map Table D.3: 1 MB Memory Map Addr. Range (Hex) Device 0xFED00000-0xFED003FF High precision event timer 0xFEA00000-0xFEA7FFFF Intel® I210 Gigabit Network Connection #4 0xFEA00000-0xFEA7FFFF PCI Express Root Port 0xFEA80000-0xFEA83FFF Intel® I210 Gigabit Network Connection #4 0xFED81500-0xFED818FF AMD GPIO Controller 0xFED81200-0xFED812FF AMD GPIO Controller 0xFE900000-0xFE9007FF...
  • Page 94 No part of this publication may be reproduced in any form or by any means, electronic, photocopying, recording or otherwise, without prior written permis- sion from the publisher. All brand and product names are trademarks or registered trademarks of their respective companies. © Advantech Co., Ltd. 2021...

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