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SOM-6872 User Manual

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.



Disconnect the power before making any configuration changes. A sudden rush

of power after connecting a jumper or installing a card may damage sensitive

electronic components.

Summary of Contents for SOM-6872

Page 1: ...ftp emacinc com Tech_Info About_EMAC_Products_and_Services pdf Authorized Distributor Integrator and Value Added Reseller Manual downloaded from ftp emacinc com For purchase information please contact...

Page 2: ...User Manual SOM 6872...

Page 3: ...ssumes no liability under the terms of this warranty as a consequence of such events Because of Advantech s high quality control standards and rigorous testing most customers never need to use our rep...

Page 4: ...use harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the fo...

Page 5: ...ur dealer immediately 1 x SOM 6872 CPU module 1 x Heatspreader 1960093586N000 Warning Warnings indicate conditions which if not observed can cause personal injury Caution Cautions are included to help...

Page 6: ...liquid into an opening This may cause fire or electrical shock 13 Never open the equipment For safety reasons the equipment should be opened only by qualified service personnel 14 If any of the follo...

Page 7: ...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 Disconnect the powe...

Page 8: ...ip identification front 14 Figure 2 2 Board chip location rear 14 2 1 1 Connector List 15 Table 2 1 SFAN1 Fan 15 2 2 Mechanical Diagram 15 Figure 2 3 Board mechanical diagram front 15 Figure 2 4 Board...

Page 9: ...3 25Audio configuration screen 43 Figure 3 26SMU Common options screen 44 Figure 3 27CPPC screen 45 Figure 3 28FCH Common options screen 46 Figure 3 29SATA Configuration options screen 47 Figure 3 30...

Page 10: ...7 Appendix A Pin Assignment 69 A 1 SOM 6872 Type 6 Pin Assignment 70 Appendix B Watchdog Timer 75 B 1 Programming the Watchdog Timer 76 Appendix C Programming GPIO 77 C 1 GPIO Register 78 Appendix D S...

Page 11: ...SOM 6872 User Manual x...

Page 12: ...Chapter 1 1 General Information This chapter details background information on the SOM 6872 CPU Computer on Module Sections include Introduction Functional Block Diagram Product Specification...

Page 13: ...d storage for customized information Acronyms Term Definition AC 97 Audio CODEC Coder Decoder ACPI Advanced Configuration Power Interface standard to implement power saving modes in PC AT systems BIOS...

Page 14: ...hip to enhance the security features of a computer system UEFI Unified Extensible Firmware Interface WDT Watch Dog Timer Connector Row C D Connector Row A B 2 CH DDR4 3200 SODIMM Max 64GB w ECC TPM 2...

Page 15: ...tible 1 3 2 Feature List Feature Type Connector Row Feature Type 6 Define SOM 6872 Max Min Display A B LVDS Channel A 18 24 bit 1 0 1 A B LVDS Channel B 18 24 bit 1 0 1 A B eDP muxed on LVDS Channel A...

Page 16: ...Power Button Sup port 1 1 1 A B Power Good 1 1 1 A B VCC_5V_SBY Con tacts 4 4 4 A B Sleep 1 0 1 A B Thermal Protection 1 0 1 A B Lid Input 1 0 1 A B Battery Low Alarm 1 0 1 A B Suspend Wake Sig nals...

Page 17: ...VDS eDP VGA LVDS eDP DP 1 2 VGA DP 1 2 DP1 DP2 Triple Display LVDS eDP VGA DP 1 2 LVDS eDP DP1 DP2 VGA DP1 DP2 Quad Display LVDS eDP VGA DP1 DP2 1 3 5 Expansion Interfaces 1 3 5 1 PCIe x1 PCI Express...

Page 18: ...and Gen 1 1 5 Gb s Maximum data rate of 600 MB s Supports AHCI 1 3 and 1 3 1 modes 1 3 7 3 USB 3 0 3 2 Gen2 USB 2 0 Supports 2 x ports USB 3 2 Gen2 10 Gbps and 8 x ports USB 2 0 480 Mbps which are bac...

Page 19: ...ector and the other to carrier board followed by PICMG COM Express R3 0 specification 1 3 7 11 BIOS The BIOS chip is on module by default This device also allows users to place BIOS chips on the carri...

Page 20: ...upport The RTC Battery is optional if keeping the time date function is not required VCC 8 5 20V VSB 4 75 5 25V Suspend power RTC Battery Power 2 0 3 3V 1 3 8 2 PWROK Power OK uses the main power supp...

Page 21: ...B and FCC Certifications Validated with standard development boards in Advantech chassis 1 3 9 6 MTBF Please refer to the Advantech SOM 6872 Series Reliability Prediction Report No TBD Release date 20...

Page 22: ...ve Power Domain Suspend Power Domain Mechanical off Power State S0 Max Load S0 Burn in S0 Idle S5 S5 Deep Sleep RTC uA SOM 6872C7 S7A1 59 721W 25 493W 4 204W 0 490W 0 176W 4 82uA Part No SoC eDP LVDS...

Page 23: ...ect it in different circumstances The layout checklist will specify the layout constraints and recommendations for trace length impedance and other necessary information during design Please contact y...

Page 24: ...Chapter 2 2 Mechanical Information This chapter details mechanical information on the SOM 6872 CPU Computer on Module Sections include Board Information Mechanical Drawing Assembly Drawing...

Page 25: ...sitions when designing carrier boards to avoid mechani cal problems Use the thermal solution contacts for best thermal dissipation perfor mance Figure 2 1 Board chip identification front Figure 2 2 Bo...

Page 26: ...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 Table 2 1 SFAN1 Fan SFAN1 Fan Description...

Page 27: ...SOM 6872 User Manual 16 Figure 2 4 Board mechanical diagram rear Figure 2 5 Board mechanical diagram side...

Page 28: ...the carrier board Figure 2 6 Assembly diagram There are 3 x reserved screw holes for SOM 6872 that are used in pre assembling it with the heat spreader Please consider the CPU and chip height toleranc...

Page 29: ...SOM 6872 User Manual 18...

Page 30: ...Chapter 3 3 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 31: ...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...

Page 32: ...all the options that can be configured Grayed out options cannot be configured options in blue can The right frame displays the key legend Above the key legend is an area reserved for a text message W...

Page 33: ...d BIOS Setup screens are shown below The sub menus are described on the following pages Figure 3 3 Advanced BIOS features setup screen Trusted Computing Trusted Computing Settings ACPI Settings System...

Page 34: ...R Bank Pending Operation Schedule an operation for the security device Note Your computer will reboot during restart in order to change state of security device Platform Hierarchy Enable or disable pl...

Page 35: ...ound TPM1 2 devices will enumerated 3 4 2 ACPI Settings Figure 3 5 ACPI settings screen Enable ACPI Auto Configuration Enables or Disables BIOS ACPI Auto Configuration Enable Hibernation Enables or Di...

Page 36: ...Backlight Enable Polarity Switch Backlight Enable Polarity for Native or Invert Backlight Mode Selection Switch Backlight Control to PWM or DC mode Brightness PWM Polarity Backlight Control Brightnes...

Page 37: ...oller 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...

Page 38: ...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 Sel...

Page 39: ...SOM 6872 User Manual 28 3 4 3 3 Hardware Monitor Figure 3 9 Hardware monitor screen...

Page 40: ...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 Exposed Reported vendor_HID Driver...

Page 41: ...ole 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 co...

Page 42: ...ty bit is 0 if num of 1 s in the data bits is odd Mark parity bit always 1 Space Parity bit is always 0 Mark and Space Parity do not allow for error detection Stop Bits Stop bits indicate the end of a...

Page 43: ...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 Provide to adjust_PPC object NX Mode Enable Disab...

Page 44: ...33 SOM 6872 User Manual Chapter 3 AMI BIOS Figure 3 14 Socket0 screen...

Page 45: ...SOM 6872 User Manual 34 3 4 6 SATA Configuration Figure 3 15 SATA configuration screen...

Page 46: ...ff support The XHCI owner ship change should be claimed by XHCI driver USB Mass Storage Driver Support Enable Disable USB Mass Storage Driver Support USB transfer time out The time out value for Contr...

Page 47: ...settings Option ROM of primary video device will not dispatch it will ignore this device policy settings and restore it to enable automatically On Board Network Controller Onboard device has UEFI X L...

Page 48: ...able 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 I...

Page 49: ...SOM 6872 User Manual 38 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...

Page 50: ...t Enable Disable IPv6 PXE boot support If disabled IPv6 PXE boot support will not be available IPv6 HTTP Support Enable Disable IPv6 HTTP boot support If disabled IPv6 HTTP boot support will not be av...

Page 51: ...SOM 6872 User Manual 40 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...

Page 52: ...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 wil...

Page 53: ...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 Comm...

Page 54: ...43 SOM 6872 User Manual Chapter 3 AMI BIOS Audio Configuration Figure 3 25 Audio configuration screen NB Azalia Enable Integrate HD Audio Controller Audio IOs Audio IOs Control...

Page 55: ...l 44 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...

Page 56: ...45 SOM 6872 User Manual Chapter 3 AMI BIOS CPPC Figure 3 27 CPPC screen CPPC CTRL CCPC Control Enable Override Disable Set default...

Page 57: ...anual 46 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 Pow...

Page 58: ...nable 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 o...

Page 59: ...ation 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 Configur...

Page 60: ...er Manual Chapter 3 AMI BIOS 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 N...

Page 61: ...SOM 6872 User Manual 50 Ac Power Loss Options Figure 3 32 Ac Power loss options screen Ac Loss Control Select Ac Loss Control Method...

Page 62: ...above 4GB MMIO limit to 35 48 bits limit NVMe RAID mode Enable or disable NVMe RAID mode Please setting the PCIe GFX lans config uration item according to the RAID configuration DP2 Select Config Disp...

Page 63: ...Manual 52 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 a...

Page 64: ...User Manual Chapter 3 AMI BIOS 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 m...

Page 65: ...tion 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 3 5 1 South Bridge Figure 3 36 South...

Page 66: ...55 SOM 6872 User Manual Chapter 3 AMI BIOS 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...

Page 67: ...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...

Page 68: ...57 SOM 6872 User Manual Chapter 3 AMI BIOS 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...

Page 69: ...SOM 6872 User Manual 58 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...

Page 70: ...rol Device1 Fun 2 Enable Disable Auto Auto used board default setting ASPM mode Dev 1 Func 2 NB root port ASPM Mode Control Hotplug Mode Dev 1 Func 2 NB Root Port Hotplug Mode Control Device1 Fun 3 En...

Page 71: ...curity 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 Adminis...

Page 72: ...cure boot policy variables can be configured by a physically present user without full authentication Restore Factory Keys Force system to user mode Install factory default secure boot key databases R...

Page 73: ...p Mode Delete all secure boot key databases from NVRAM Export Secure Boot variables Copy NVRAM content of secure boot variables to files in a root folder on a file system device Enroll Efi Image Allow...

Page 74: ...s 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 75: ...hout saving any changes Save Changes and Reset Reset the system after saving the changes Discard Changes and Reset Reset system setup without saving any changes Default Options Restore Defaults Restor...

Page 76: ...Chapter 4 4 S W Introduction and Installation S W Introduction Driver Installation Advantech iManager...

Page 77: ...edded Software solu tions easily and widely available to the embedded computing community 4 2 Driver Installation The Intel Chipset Software Installation CSI utility installs the Windows INF files tha...

Page 78: ...provide an advanced watchdog to handle errors just as they happen iManager also comes with a secure encrypted EEPROM for storing important security key or other customer define information All the em...

Page 79: ...SOM 6872 User Manual 68...

Page 80: ...Appendix A A 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 81: ...GBE0_MDI2 B7 LPC_AD3 A8 GBE0_LINK B8 N A A9 GBE0_MDI1 B9 N A A10 GBE0_MDI1 B10 LPC_CLK A11 GND FIXED B11 GND FIXED A12 GBE0_MDI0 B12 PWRBTN A13 GBE0_MDI0 B13 SMB_CK A14 N A B14 SMB_DAT A15 SUS_S3 B15...

Page 82: ...A61 PCIE_TX2 B61 PCIE_RX2 A62 PCIE_TX2 B62 PCIE_RX2 A63 GPI1 B63 GPO3 A64 PCIE_TX1 B64 PCIE_RX1 A65 PCIE_TX1 B65 PCIE_RX1 A66 GND B66 WAKE0 A67 GPI2 B67 WAKE1 A68 PCIE_TX0 B68 PCIE_RX0 A69 PCIE_TX0 B6...

Page 83: ...12V B106 VCC_12V A107 VCC_12V B107 VCC_12V A108 VCC_12V B108 VCC_12V A109 VCC_12V B109 VCC_12V A110 GND FIXED B110 GND FIXED SOM 6872 Row C D C1 GND FIXED D1 GND FIXED C2 GND D2 GND C3 USB_SSRX0 D3 US...

Page 84: ...IR1 C43 N A D43 DDI2_PAIR1 C44 N A D44 DDI2_HPD C45 N A D45 N A C46 N A D46 DDI2_PAIR2 C47 N A D47 DDI2_PAIR2 C48 N A D48 N A C49 N A D49 DDI2_PAIR3 C50 N A D50 DDI2_PAIR3 C51 GND FIXED D51 GND FIXED...

Page 85: ...D87 GND C88 N A D88 N A C89 N A D89 N A C90 GND FIXED D90 GND FIXED C91 N A D91 N A C92 N A D92 N A C93 GND D93 GND C94 N A D94 N A C95 N A D95 N A C96 GND D96 GND C97 N A D97 RSVD C98 N A D98 N A C9...

Page 86: ...Appendix B B 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 87: ...and then sets the EC Only Windows 10 supports this feature For other OS it uses the IRQ number from BIOS settings as usual For details please refer to iManager and or the software API s user manual T...

Page 88: ...Appendix C C Programming GPIO This appendix details the General Purpose Input and Output pin set tings Sections include System I O ports...

Page 89: ...User Manual 78 C 1 GPIO Register For details please refer to iManager and Software API User Manual GPIO Byte Mapping H W Pin Name BIT0 GPO0 BIT1 GPO1 BIT2 GPO2 BIT3 GPO3 BIT4 GPI0 BIT5 GPI1 BIT6 GPI2...

Page 90: ...D 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 1st MB M...

Page 91: ...COM2 0x0000EF00 0x0000EFFF AMD Radeon Graphics 0x00000020 0x00000021 Programmable interrupt controller 0x000000A0 0x000000A1 Programmable interrupt controller 0x00000000 0x000003AF PCI Express Root Co...

Page 92: ...rboard resources 0x00000910 0x0000091F Motherboard resources 0x00000061 0x00000061 System speaker 0x0000F000 0x0000FFFF PCI Express Root Port 0x00000081 0x00000083 Direct memory access controller 0x00...

Page 93: ...4294967263 AMD USB 3 10 eXtensible Host Controller 1 10 Microsoft IRQ 4294967262 AMD USB 3 10 eXtensible Host Controller 1 10 Microsoft IRQ 4294967261 AMD USB 3 10 eXtensible Host Controller 1 10 Micr...

Page 94: ...ible Host Controller 1 10 Microsoft 0xFE700000 0xFE7FFFFF AMD PSP 10 0 Device 0xFE8B2000 0xFE8B3FFF AMD PSP 10 0 Device 0xFE8C0000 0xFE8FFFFF AMD Audio CoProcessor 0xFE8B4000 0xFE8B7FFF High Definitio...

Page 95: ...ions are subject to change without notice 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 fro...

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