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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. Information provided in this manual is intended to be accurate and reliable. How- ever, Advantech Co., Ltd.
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Class I, Division 2, Groups A, B, C and D indoor hazards. Technical Support and Assistance Visit the Advantech website at http://support.advantech.com where you can find the latest information about the product. Contact your distributor, sales representative, or Advantech's customer service center for technical support if you need additional assistance.
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Before setting up the system, check that the items listed below are included and in good condition. If any item does not accord with the table, please contact your dealer immediately. SOM-6894 CPU module 1 x Heatspreader (1960062204N001) SOM-6894 User Manual...
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The sound pressure level at the operator's position according to IEC 704-1:1982 is no more than 70 dB (A). DISCLAIMER: This set of instructions is given according to IEC 704-1. Advantech disclaims all responsibility for the accuracy of any statements contained herein.
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Don't touch any components on the CPU card or other cards while the PC is on. Disconnect power before making any configuration changes. The sudden rush of power as you connect a jumper or install a card may damage sensitive elec- tronic components. SOM-6894 User Manual...
Chapter General Information This chapter gives background information on the SOM-6894 CPU Computer on Module. Sections include: Introduction Specification Functional Block Diagram...
Introduction SOM-6894 is a COM Express Compact module with pin-out Type 6 that fully com- plies with the PICMG (PCI Industrial Computer Manufactures Group) COM.0 R2.1 specification. This product is designed with the latest Intel 4th generation ultra low power processors- Intel® Core™ i7-4650U, i5-4300U, i3-4010U, and Intel® Celeron 2980U which integrates the CPU and PCH onto one single chip.
Thermal Protection: Supports thermal shutdown or CPU throttling Watchdog Timer: 65536 level timer interval, from 0 ~ 65535 sec Smart Fan: 2 Ports; 1 Port on COM Module. Support 12V Fan, 1 Port on Carrier Board SOM-6894 User Manual...
4 PCIe x1 (optional for 1 PCIe x4) DDI 2 HDMI/DisplayPort/DVI (Option with Analog VGA) 1 PCIex1 Giga LAN Intel i218LM LPC BUS (24MHz) WDT / GPIO / I iManager 2.0 RS1 / RS2 / FAN SMBus SPI Bus SPI BIOS SOM-6894 User Manual...
Chapter Mechanical Information This chapter gives mechanical information on the SOM-6894 CPU Computer on Module. Sections include: Board Information Mechanical Drawing Assembly Drawing...
Board Information The figures below indicate the main chips on SOM-6894 Computer-on-Module. Please aware of these positions while designing your own carrier board to avoid mechanical issues, as well as designing thermal solution contact points for best ther- mal dissipation performance.
Mechanical Drawing For more details about 2D/3D models, please look on the Advantech COM support service website http://com.advantech.com. Figure 2.3 Board Mechanical Drawing - Front Figure 2.4 Board Mechanical Drawing - Back SOM-6894 User Manual...
These figures demonstrate the assembly order from thermal module, COM module to carrier board. Figure 2.5 Assembly Drawing (For Reference Only) There are 4 reserved screw holes for SOM-6894 to be pre-assembled with heat spreader. Figure 2.6 Heatspreader Pre-Assembly (For Reference Only)
DATA FROM INTEL REFERENCE BOARD DESIGN) Figure 2.7 Main Chip Height and Tolerance (GT2) 1.437±0.112 (MILLIMETERS) *F5=NOM : 1.437 TOL:±0.112 (POST SMT STACKUP HEIGHT BASED ON LIMITED DATA FROM INTEL REFERENCE BOARD DESIGN) Figure 2.8 Main Chip Height and Tolerance (GT3) SOM-6894 User Manual...
Figure 3.1 BIOS Setup Utility Main Screen AMI's BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration. This information is stored in flash ROM so it retains the Setup information when the power is turned off. SOM-6894 User Manual...
System Date using the <Arrow> keys. Enter new values through the keyboard. Press the <Tab> key or the <Arrow> keys to move between fields. The date must be entered in MM/DD/YY format. The time must be entered in HH:MM:SS format. SOM-6894 User Manual...
3.2.2 Advanced BIOS Features Setup Select the Advanced tab from the SOM-6894 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>...
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This item allows users to enable or disable Lock of Legacy Resources. S3 Video Repost This item allows users to enable or disable S3 Video Repost. ACPI Low Power S0 Idle This item allows users to enable or disable ACPI Low Power S0 Idle support. SOM-6894 User Manual...
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Security Device Support This item allows users to enable or disable BIOS support for security device support, and the OS will not show the Security Device. TCG EFI Protocol and INT1A interface will not be available. SOM-6894 User Manual...
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This item allows users to enable or disable Hardware Prefetcher. Enable the Mid Level Cache (L2) streamer prefetcher. Adjacent Cache Line Prefetch This item allows users to enable or disable Adjacent Cache Line Prefetch. Enable the Mid Level Cache (L2) prefetching of adjacent cache lines. SOM-6894 User Manual...
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Allow re-configuration of TDP levels based on current power and thermal deliv- ery capabilities of the system. Config TDP Lock This item allows users to enable or disable Config TDP Lock. Locks the Config TDP Control register. SOM-6894 User Manual...
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This item allows users to enable or disable Serial ATA Ports. – Hot Plug Designates this port as Hot Pluggable. Serial ATA Port 3 – Port 3 This item allows users to enable or disable Serial ATA Port. – Hot Plug SOM-6894 User Manual...
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This item allows users to enable or disable TPM Device Selection. (PTT or dTPM. PTT-Enables PTT in SkuMgr dTPM 1.2- Disables PTT in SkuMgr Warn- ing! PTT/dTPM will be disable and all data saved on it will be lost. Firmware Update Configuration Configure Management Engine Technology Parameters SOM-6894 User Manual...
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Firmware Update Configuration Figure 3.9 Firmware Update Configuration – ME FW Image Re-Flash This item allows users to enable or disable ME FW Image Re-Flash function. SOM-6894 User Manual...
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This item allows users to enable or disable Un-Configure ME. Amt Wait Timer This item allows users to set timer to wait before sending ASF_GET_BOOT _OPTIONS. Disable ME This item allows users to set ME to Soft Temporary disabled. SOM-6894 User Manual...
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This item allows users to enable or disable XHCI Hand-off. This is a workaround for OS without XHCI hand-off support. The XHCI owner- ship change should be claimed by XHCI driver. EHCI Hand-off This item allows users to enable or disable EHCI Hand-off. SOM-6894 User Manual...
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Figure 3.12 Super IO Configuration COM Port 1 Configuration This item allows user to set Parameters of COM Port 1. COM Port 2 Configuration This item allows user to set Parameters of COM Port 2. SOM-6894 User Manual...
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Figure 3.13 COM Port 1 Configuration – COM Port 1 This item allows users to enable or disable the COM Port. – Change settings This item allows users to select an optimal setting for Super IO device. SOM-6894 User Manual...
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– Change settings This item allows users to select an optimal setting for the Super IO device. – Device Mode This item allows users to change the Serial Port mode. Select <High Speed> or <Normal Mode> mode. SOM-6894 User Manual...
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This item allows users to enable or disable Parallel Port (LPT/LPTE). – Change settings This item allows users to select an optimal setting for the Super IO device. – Device Mode This item allows users to change the Printer Port mode. SOM-6894 User Manual...
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Hardware Monitor This item monitors hardware status. Figure 3.16 PC Hardware Monitor SOM-6894 User Manual...
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This item allows users to select iManager IRQ number eBrain WatchDog. Backlight Enable Polarity This item allows users to switch Backlight Enable Polarity for Native or Invert. Power Saving Mode This item allows users to select ITE8528 Power Saving Mode. SOM-6894 User Manual...
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– Change settings This item allows users to select an optimal setting for the Super IO device. – Device Mode This item allows users to change the Serial Port mode. Select <High Speed> or <Normal mode> mode. SOM-6894 User Manual...
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– Change settings This item allows users to select an optimal setting for the Super IO device. – Device Mode This item allows users to change the Serial Port mode. Select <High Speed> or <Normal mode> mode. SOM-6894 User Manual...
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Hardware Monitor This item monitor hardware status. Figure 3.20 Hardware Monitor SOM-6894 User Manual...
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This item allows users to enable or disable Console Redirection. COM4 Console Redirection This item allows users to enable or disable Console Redirection. EMS Console Redirection This item allows users to enable or disable Console Redirection. SOM-6894 User Manual...
3.2.3 Chipset Select the Chipset tab from the SOM-6894 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 sec- tion.
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This item allows users to enable or disable PCIE Wake From DeepSx. Wake from DeepSx by the assertion of PCIE. SLP_S4 Assertion Width This item allows users to select a minimum assertion width of the SLP_S4# sig- nal. Restore AC Power Loss SOM-6894 User Manual...
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This item allows users to enable or disable Subtractive Decode. – PCI Express Root Port 1 This item allows users to change PCI Express Root Port 1 settings. – PCI Express Root Port 2 This item allows users to change PCI Express Root Port 2 settings. SOM-6894 User Manual...
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This item allows users to enable or disable Hot Plug. PCIe Speed This item allows users to select PCIe Speed. Detect Non-Compliance Device This item allows users to enable or disable Detect Non-Compliance Device. If enabled, it will take more time at POST time. SOM-6894 User Manual...
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PCI Express Root Port 2 Configuration Figure 3.26 PCI Express Root Port 2 Configuration PCI Express Root Port 2 This item allows users to enable or disable PCI Express Root Port. ASPM Support This item allows users to set the ASPM level. SOM-6894 User Manual...
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This item allows users to enable or disable PCIE LTR Configuration Lock. Snoop Latency Ocerride This item allows users to select Snoop Latency Ocerride for PCH PCIE. Non Snoop Latency Ocerride This item allows users to select Non Snoop Latency Ocerride for PCH PCIE. SOM-6894 User Manual...
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If enable, it will take more time at POST time. Extra Bus Reserved This item allows users to select Extra Bus Reserved (0~7) for bridges behind this root bridge. Reserved Memory This item allows users to select Reserved Memory range for this root bridge. SOM-6894 User Manual...
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This item allows users to enable or disable PCI Express Root Port. ASPM Support This item allows users to set the ASPM level. Force L0s- Force all links to L0s state. Auto-BIOS auto configure Disable- disables ASPM L1 Substates SOM-6894 User Manual...
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This item allows users to enable or disable PCIE LTR Configuration Lock. Snoop Latency Ocerride This item allows users to select Snoop Latency Ocerride for PCH PCIE. Non Snoop Latency Ocerride This item allows users to select Non Snoop Latency Ocerride for PCH PCIE. SOM-6894 User Manual...
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This item allows users to enable or disable trunk clock gating. – USB Ports Per-Port Disable Control This item allows users to enable or disable USB Ports Per-Port Disable Con- trol. Control each of the USB ports (0~13) disabling SOM-6894 User Manual...
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– Azalia This item allows users to change Azalia settings. Control detection of the Azalia device. Disable- Azalia will be unconditionally Disabled Enabled- Azalia will be unconditionally Enabled Auto- Azalia will be enabled if present, disabled otherwise. SOM-6894 User Manual...
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Graphics Configuration This item allows users to change graphics setting. Memory Configuration This item allows users to change memory configuration parameters. GT- Power Management Control This item allows users to change GT- Power Management Control Options. SOM-6894 User Manual...
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This option is applicable for SFF only. – Panel Power Enable This item allows users to enable or disable forcing of Panel Power in the BIOS. – LCD Control This item allows users to do LCD control. SOM-6894 User Manual...
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LVDS: eDP to LVDS(LFP) by Chrontel CH7511B-BF LCD Panel Type This item allows users to select LCD Panel used by Internal Graphics device by selecting the appropriate setup item. Active LFP This item allows users to select the Active LFP configuration. SOM-6894 User Manual...
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– Memory Configuration Figure 3.34 Memory Configuration Memory Information This item shows memory configuration parameters. SOM-6894 User Manual...
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– GT- Power Management Control Figure 3.35 GT- Power Management Control RC6 (Render Standby) This item allows users to enable or disable RC6 (Render Standby) support. SOM-6894 User Manual...
This item allows users to set the system boot order. Hard Drive BBS Priorities This item allows users to set the order of the legacy devices in this group. CSM parameters This item allows users to change CSM parameters setting. SOM-6894 User Manual...
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This item allows users to select Launch Storage OpROM policy setting. Launch Video OpROM policy This item allows users to select Launch Video OpROM policy setting. Other PCI device ROM priority This item allows users to select Other PCI device ROM priority setting. SOM-6894 User Manual...
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>: Change Administrator / User Password: Select this option and press <ENTER> to access the sub menu, and then type in the password. SOM-6894 User Manual...
3.2.6.5 Save Changes When users have completed system configuration, select this option to save changes without exit BIOS setup menu. 3.2.6.6 Discard Changes Select this option to discard any current changes and load previous system configu- ration. SOM-6894 User Manual...
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3.2.6.7 Restore Defaults The SOM-6894 automatically configures all setup items to optimal settings when users select this option. Optimal Defaults are designed for maximum system perfor- mance, but may not work best for all computer applications. In particular, do not use the Optimal Defaults if the user's computer is experiencing system configuration problems.
S/W Introduction The mission of Advantech Embedded Software Services is to "Enhance quality of life with Advantech platforms and Microsoft Windows embedded technology." We enable Windows Embedded software products on Advantech platforms to more effectively support the embedded computing community. Customers are freed from the hassle of dealing with multiple vendors (Hardware suppliers, System integrators, Embedded OS distributor) for projects.
Appendix Pin Assignment This appendix gives you the infor- mation about the hardware pin assignment of the SOM-6894 CPU System on Module. Sections include: SOM-6894 Type 6 Pin Assign- ment...
SOM-6894 Type 6 Pin Assignment This section gives SOM-6894 pin assignment on COM Express connector which compliant with COMR.0 R2.1 Type 6 pin-out definitions. More details about how to use these pins and get design reference, please contact to Advantech for design guide, checklist, reference schematic, and other hardware/software supports.
Appendix Watchdog Timer This appendix gives you the infor- mation about the watchdog timer programming on the SOM-6894 CPU System on Module. Sections include: Watchdog Timer Programming...
EC. Only Win XP, Win7 and Win8 support it. In other OS, it will still use IRQ number from BIOS setting as usual. For details, please refer to iManager & Software API User Manual: SOM-6894 User Manual...
Appendix Programming GPIO This Appendix gives the illustra- tion of the General Purpose Input and Output pin setting. Sections include: System I/O Ports...
Appendix System Assignments This appendix gives you the infor- mation about the system resource allocation on the SOM-6894 CPU System on Module. Sections include: System I/O ports DMA Channel Assignments Interrupt Assignments Memory Map...
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