BT9A3 COM Express Mini Module User’s Manual A31100409 1 Chapter 1 Introduction www.dfi.
Copyright FCC and DOC Statement on Class B This publication contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without the prior written permission from the copyright holders. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules.
Table of Contents Chapter 4 - BIOS Setup ............................................................... 26 Overview ..................................................................................................... 26 AMI BIOS Setup Utility ............................................................................. 27 Main ......................................................................................................... 27 Advanced ..............................................................
About this Manual Static Electricity Precautions An electronic file of this manual is included in the CD. To view the user’s manual in the CD, insert the CD into a CD-ROM drive. The autorun screen (Main Board Utility CD) will appear. Click “User’s Manual” on the main menu. It is quite easy to inadvertently damage your PC, system board, components or devices even before installing them in your system unit.
About the Package The package contains the following items. If any of these items are missing or damaged, please contact your dealer or sales representative for assistance. • • • • One One One One BT9A3 board QR (Quick Reference) DVD Heat sink Optional Items • • • COM100-B carrier board kit Heat sink with fan Heat spreader The board and accessories in the package may not come similar to the information listed above. This may differ in accordance with the sales region or models in which it was sold.
Chapter 1 Chapter 1 - Introduction Specifications Processor • Intel® AtomTM/Intel® Celeron® processors - E45: Intel® AtomTM E3845, Quad Core, 2M Cache, 1.91GHz, 10W - E27: Intel® AtomTM E3827, Dual Core, 1M Cache, 1.75GHz, 8W - E15: Intel® AtomTM E3815, Single Core, 0.5M Cache, 1.46GHz, 5W - J00: Intel® Celeron® J1900, Quad Core, 2M Cache, 2GHz (2.41GHz), 10W - N30: Intel® Celeron® N2930, Quad Core, 2M Cache, 1.83GHz (2.16GHz), 7.
Chapter 1 Features • Watchdog Timer The Watchdog Timer function allows your application to regularly “clear” the system at the set time interval. If the system hangs or fails to function, it will reset at the set time interval so that your system will continue to operate. • DDR3L DDR3L is a higher performance DDR3 SDRAM interface providing less voltage and higher speed successor. DDR3L SDRAM modules support 1066/1333MHz for DDR modules.
Chapter 2 Chapter 2 - Concept COM Express Module Standards The figure below shows the dimensions of the different types of COM Express modules. BT9A3 is a COM Express Mini. The dimension is 84mm x 55mm. Common for all Form Factors Extended only Basic only Compact only Compact and Basic only Mini only 106.00 Extended Compact 91.00 Basic 70.00 51.00 Mini 18.00 6.00 0.00 4.00 151.00 121.00 91.00 80.00 74.20 16.50 4.00 0.00 8 Chapter 2 Concept www.dfi.
Chapter 2 Specification Comparison Table The table below shows the COM Express standard specifications and the corresponding specifications supported on the BT9A3 module.
Chapter 3 Chapter 3 - Hardware Installation Block Diagram Board Layout DDI Port 0 DDR3L DDR3L LVDS D DDI Port 1 PTN3460 DDR3L LPC Bus Intel Atom SLP/LID S / WDT DDR3L System Fan PWM/TACH 2 I C Bus CPU fan E3800 Series 1 Intel WGI210AT DDR3L Embedded Controller IT8528 DDR3L 1GB ECC 8x memory down DDR3 1333MHz Single Channel EEPROM SM Bus SPI Flash BIOS 8-bit DIO NXP PTN3460 T TCA6408A Top View HD Audio Atom E3800 Series /Celeron C/D A/B Serial Port 1, 2 Tx/Rx USB 3.
Chapter 3 Mechanical Diagram BT9A3 Module BT9A3 Module with Heat Sink 85.00 4.00 80.00 84.00 20.00 55.00 51.00 60.00 51.00 Top View 4.00 0.00 4.00 0.00 4.00 80.00 Heatsink 2.00 16.50 20.00 Module PCB Bottom View Standoff Side View of the Module with Heat Sink and Carrier Board 6.00 0.00 9.80 0.00 11 Chapter 3 Hardware Installation www.dfi.
Chapter 3 Important: System Memory Electrostatic discharge (ESD) can damage your board, processor, disk drives, add-in DDR3L boards, and other components. Perform installation procedures at an ESD workstation only. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis.
Chapter 3 Connectors COM Express Connector CPU Fan Connector The COM Express connector is used to interface the BT9A3 COM Express board to a carrier board. Connect the COM Express connector (located on the solder side of the board) to the COM Express connector on the carrier board. Refer to the “Installing BT9A3 onto a Carrier Board” section for more information. Sense +12V Ground 1 3 Connect the CPU fan’s cable connector to the CPU fan connector on the board.
Chapter 3 COM Express Connector Row A Row B Row A Row A Row B A1 GND (FIXED) B1 GND (FIXED) A31 GND (FIXED) A2 GBE0_MDI3- B2 GBE0_ACT# A32 A3 GBE0_MDI3+ B3 LPC_FRAME# A4 GBE0_LINK100# B4 A5 GBE0_LINK1000# B5 A6 GBE0_MDI2- B6 A7 GBE0_MDI2+ B7 A8 GBE0_LINK# A9 GBE0_MDI1- A10 Row A Row B Row B GND (FIXED) A56 RSVD B56 RSVD A86 RSVD B86 AC/HDA _BITCLK B32 SPKR A57 GND B57 GPO2 A87 eDP_HPD B87 VCC_5V_SBY A33 AC/HDA _SDOUT B33 I2C_CK A58 PCIE_TX3+ B58
Chapter 3 COM Express Connector Signal Description Pin Types I Input to the Module O Output from the Module I/O Bi-directional input / output signal OD Open drain output AC97/HDA Signals Descriptions Signal AC/HAD_RST# AC/HDA_SYNC AC/HDA_BITCLK AC/HDA_SDOUT AC/HDA_SDIN2 AC/HDA_SDIN1 AC/HDA_SDIN0 Pin# A30 A29 A32 A33 B28 B29 B30 Gigabit Ethernet Signals Descriptions Pin Type O CMOS O CMOS I/O CMOS O CMOS I/O CMOS I/O CMOS I/O CMOS Pwr Rail /Tolerance 3.3V Suspend/3.3V 3.3V/3.3V 3.3V/3.3V 3.3V/3.3V 3.
Chapter 3 PCI Express Lanes Signals Descriptions Signal PCIE_TX0+ PCIE_TX0PCIE_RX0+ PCIE_RX0PCIE_TX1+ PCIE_TX1PCIE_RX1+ PCIE_RX1PCIE_TX2+ PCIE_TX2PCIE_RX2+ PCIE_RX2PCIE_TX3+ PCIE_TX3PCIE_RX3+ PCIE_RX3PCIE0_CK_REF+ PCIE0_CK_REF- Pin# A68 A69 B68 B69 A64 A65 B64 B65 A61 A62 B61 B62 A58 A59 B58 B59 A88 A89 ExpressCard Signals Descriptions Signal EXCD0_CPPE# EXCD1_CPPE# EXCD0_PERST# EXCD1_PERST# DDI Signals Descriptions Pin# A49 B48 A48 B47 Signal DDI1_PAIR0+/DP0_LANE0+ DDI1_PAIR0-/DP0_LANE0DDI1_PAIR1+/
Chapter 3 USB Signals Descriptions Signal Pin# USB0+ A46 USB0- A45 USB1+ B46 USB1- B45 USB2+ A43 USB2- A42 USB3+ B43 USB3- B42 USB4+ A40 USB4- A39 USB5+ B40 USB5- B39 USB6+ A37 USB6- A36 Pin Type Pwr Rail /Tolerance BT9A3 Carrier Board Description I/O USB 3.3V Suspend/3.3V Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB connector I/O USB 3.3V Suspend/3.
Chapter 3 LVDS Signals Descriptions Signal LVDS_A0+ LVDS_A0LVDS_A1+ LVDS_A1LVDS_A2+ LVDS_A2LVDS_A3+ LVDS_A3LVDS_A_CK+ LVDS_A_CK- Pin# A71 A72 A73 A74 A75 A76 A78 A79 A81 A82 Pin Type Pwr Rail /Tolerance O LVDS LVDS O LVDS LVDS O LVDS LVDS O LVDS LVDS O LVDS LVDS LVDS_VDD_EN A77 O CMOS 3.3V / 3.3V LVDS_BKLT_EN B79 O CMOS 3.3V / 3.3V 3.3V / 3.3V LVDS_BKLT_CTRL B83 O CMOS LVDS_I2C_CK LVDS_I2C_DAT A83 A84 I/O OD CMOS 3.3V / 3.3V I/O OD CMOS 3.3V / 3.
Chapter 3 Miscellaneous Signal Descriptions Signal I2C_CK I2C_DAT Pin# B33 B34 Pin Type Pwr Rail /Tolerance I/O OD CMOS 3.3V Suspend/3.3V I/O OD CMOS 3.3V Suspend/3.3V SPKR B32 O CMOS 3.3V / 3.3V WDT B27 O CMOS 3.3V / 3.3V Output indicating that a watchdog time-out event has occurred. FAN_PWNOUT B101 O OD CMOS 3.3V / 12V Fan speed control. Uses the Pulse Width Modulation (PWM) technique to control the fan's RPM. FAN_TACHIN B102 I OD CMOS 3.3V / 12V TPM_PP A96 I CMOS 3.3V / 3.
Chapter 3 Power and GND Signal Descriptions Signal VCC_12V Pin# A104~A109 B104~B109 Power 4.75V – 20.0V 4.75V – 20.0V Primary power input: +12V nominal. All available VCC_12V pins on the connector(s) shall be used. The module supplies a wide range of power from 4.75V to 20.0V. VCC_5V_SBY B84~B87 Power 4.75V - 5.25V 4.75V - 5.25V Standby power input: +5.0V nominal. If VCC5_SBY is used, all available VCC_5V_SBY pins on the connector(s) shall be used. Only used for standby and suspend functions.
Chapter 3 Cooling Option Installing BT9A3 onto a Carrier Board Heat Sink with Cooling Fan Important: The carrier board (COM100-B) used in this section is for reference purpose only and may not resemble your carrier board. These illustrations are mainly to guide you on how to install BT9A3 onto the carrier board of your choice. Note: The system board used in the following illustrations may not resemble the actual board. These illustrations are for reference only.
Chapter 3 3. While supporting the mounting screw at the bottom, from the top side of the board, fasten a bolt into the screw. 6. Grasping BT9A3 by its edges, position it on the top of the carrier board with its mounting holes aligned with the bolts on the carrier board. This will also align the COM Express connectors of the two boards to each other. COM Express connector on BT9A3 Bolts 4. The photo below shows the solder side of the board with the screws already fixed in place.
Chapter 3 Installing the COM Express Debug Card 8. Use the provided mounting screws to secure BT9A3 with heat sink to the carrier board and then connect the cooling fan’s cable to the fan connector on BT9A3. The photo below shows the locations of the long mounting screws. Note: The system board used in the following illustrations may not resemble the actual board. These illustrations are for reference only. 1.
Chapter 3 3. Fasten bolts with mounting screws through mounting holes to be fixed in place. 2. Connect the COMe-DEBUG card to COMe-LINK2 via a cable. COMe-DEBUG Code Review Control 80 Port Display Mounting screws LPC COMe-LINK1/2 Connector COM Express Type Display COM Express Signal Display COM Express Power Display Power/Reset/ Sleep/LID control Bolts 4. Use the provided bolts to fix the COMe-LINK2 debug card onto the carrier board.
Chapter 3 7. Use the long mounting screws to secure the heat sink on the top of the COM Express Mini module and the COMe-LINK2 debug card and connect the cooling fan’s cable to the fan connector on the COM Express Mini module. The photo below shows the locations of long mounting screws. 5. Grasp the COM Express Mini module by its edges to press it down on the top of the COMe-LINK2 debug card. Cable COM Express Mini Module Long screws COMe-LINK2 COMe-DEBUG 6.
Chapter 4 Chapter 4 - BIOS Setup Legends Overview The BIOS is a program that takes care of the basic level of communication between the CPU and peripherals. It contains codes for various advanced features found in this system board. The BIOS allows you to configure the system and save the configuration in a battery-backed CMOS so that the data retains even when the power is off.
Chapter 4 AMI BIOS Setup Utility Main Advanced The Advanced menu allows you to configure your system for basic operation. Some entries are defaults required by the system board, while others, if enabled, will improve the performance of your system or let you set some features according to your preference. The Main menu is the first screen that you will see when you enter the BIOS Setup Utility. Main Important: Setting incorrect field values may cause the system to malfunction.
Chapter 4 PC Health Status WatchDog Configuration This section displays the hardware health monitor. This field is used to configure IT8518 WatchDog Timer Parameters. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced System Hardware Monitor CPU SmartFan CPU Temperature CPU FAN Speed System FAN Speed VCore VBAT V_SM VGFX 1.0v Enable/Disable CPU SmartFan.
Chapter 4 CPU Configuration SATA Configuration This section is used to configure the CPU. It will also display the detection of CPU information. This section is used to configure the settings of SATA device. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced CPU Configuration Intel(R) Celeron(R) CPU J1900 @ 1.
Chapter 4 Network Stack Configuration Ipv4 PXE Support This section is used to enable or disable UEFI network stack. When enabled, Ipv4 PXE boot supports. When disabled, Ipv4 PXE boot option will not be created. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Network Stack [Disabled] Ipv6 PXE Support Enable/Disable UEFI network stack. When enabled, Ipv6 PXE boot supports. When disabled, Ipv6 PXE boot option will not be created.
Chapter 4 CSM Configuration USB Configuration This section configures the CSM settings. This section is used to configure parameters of the USB device. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced USB Configuration Enable/Disable CSM support Compatibility Support Module Configuration CSM Support [Enabled] USB Module Version CSM16 Module Version 07.
Chapter 4 Security Configuration Important: When installing Windows 7, only native USB 2.0 devices (USB port 0 to USB port 3) can operate under DOS mode. Please refer to the following tables for more infomation on the type of USB ports. This section configures the setting relevant to the Intel(R) Anti-Theft Technology. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Table 1.
Chapter 4 Intel(R) I210 Gigabit Network Connection - 00:A0:C9:00:... NIC Configuration This section is used to configure the parameters of Gigabit Ethernet device. This field is used to configure the network device. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Configure Boot Protocol, Wake on LAN, Link Speed, and VLAN.
Chapter 4 Chipset North Bridge This section configures the North bridge parameters. The section configures the relevant functions of chipset. Main North South Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced Chipset Security Boot Save & Exit Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Chipset North Bridge Parameters Bridge Bridge Intel IGD Configuration LCD Control Memory Config Intel IGD Settings.
Chapter 4 Intel IGD Configuration LCD Control Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Chipset Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Chipset GOP Information Intel(R) GOP Driver Integrated Graphics [N/A] [Enabled] LCD Control Enable: Enable Integrated Graphics Device (IGD) when selected as the Primary Video Adaptor. Disable: Always disable IGD.
Chapter 4 LCD Panel Type Memory Configuration Select the LCD panel used by Internal Graphics Device by selecting the appropriate setup item. Please refer to the screen shown below. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Chipset Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Chipset Select LCD panel used by Internal Graphics Device by selecting the appropriate setup item.
Chapter 4 South Bridge Azalia HD Audio This field is used to configure the parameters of the South Bridge. This section configues Azalia HD Audio options. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Chipset Azalia HD Audio Options Azalia HD Audio PCI Express Configuration Restore AC Power Loss Intel(R) I210 Controller Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Chapter 4 Security PCI Express Configuration This section configues settings relevant to PCI Express devices. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Chapter 4 Boot Save & Exit Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Main Advanced Chipset Security Boot Boot Configuration Setup Prompt Timeout Bootup NumLock State 1 [On] Boot Option Priorities Boot Option #1 [MMC - S10008] Main Save & Exit Advanced Chipset Security Save Changes and Reset Discard Changes and Reset Number of seconds to wait for setup activation key.
Chapter 4 Updating the BIOS Notice: BIOS SPI ROM To update the BIOS, you will need the new BIOS file and a flash utility, AFUDOS.EXE. Please contact technical support or your sales representative for the files. 1. The Intel® Management Engine has already been integrated into this system board. Due to the safety concerns, the BIOS (SPI ROM) chip cannot be removed from this system board and used on another system board of the same model.
Chapter 5 Chapter 5 - Supported Software For Windows 7 The CD that came with the system board contains drivers, utilities and software applications required to enhance the performance of the system board. Insert the CD into a CD-ROM drive. The autorun screen (Mainboard Utility CD) will appear. If after inserting the CD, “Autorun” did not automatically start (which is, the Mainboard Utility CD screen did not appear), please go directly to the root directory of the CD and double-click “Setup”.
Chapter 5 Intel Chipset Software Installation Utility 3. Go through the readme document for more installation tips then click Next. The Intel Chipset Device Software is used for updating Windows® INF files so that the Intel chipset can be recognized and configured properly in the system. To install the utility, click “Intel Chipset Software Installation Utility” on the main menu. 1. Setup is ready to install the utility. Click Next. 4. After all setup operations are done, click Next. 2.
Chapter 5 Intel HD Graphics Drivers 3. Go through the readme document for system requirements and installation tips then click Next. To install the driver, click “Intel HD Graphics Drivers” on the main menu. 1. Setup is now ready to install the graphics driver. Click Next. 4. Setup is now installing the driver. Click Next to continue. By default, the “Automatically run WinSAT and enable the Windows Aero desktop theme” is enabled.
Chapter 5 Intel LAN Drivers 4. Click Install to begin the installation. To install the driver, click “Intel LAN Drivers” on the main menu. 1. Setup is ready to install the driver. Click Next. 5. After completing installation, click Finish. 2. Click “I accept the terms in the license agreement” then click “Next”. 3. Select the program featuers you want installed then click Next. 44 Chapter 5 Supported Software www.dfi.
Chapter 5 Kernel Mode Driver Framework (For Windows 7 only) Intel Trusted Execution Engine Driver To install the driver, click “Kernel Mode Driver Framework” on the main menu. To install the driver, click “Intel Trusted Execution Engine Driver” on the main menu. 1. Click “Yes“ to install the update. 1. Tick “I accept the terms in the License Agreement“ and then click “Next.” 2. The update is installed now. 2. The step shows the components which will be installed. Then, Click Next. 3.
Chapter 5 Realtek Audio Drivers 3. The step displays the installing status in the progress. To install the driver, click “Realtek Audio Drivers” on the main menu. 1. Setup is now ready to install the audio driver. Click Next. 2. Follow the remainder of the steps on the screen; clicking “Next” each time you finish a step. 4. Click “Finish“ when the installation is complete. 3. Click “Yes, I want to restart my computer now” then click Finish.
Chapter 5 Intel Sideband Fabric Device (MBI) Driver (For Windows 8 only) 3. The step performs setup operations. Click “Next“ to continue. To install the driver, click “Intel Sideband Fabric Device (MBI) Driver” on the main menu. 1. The setup program will be installed. Click “Next“ to continue. 4. Click “Finish“ to restart the computer when the setup is completely installed. 2. Click “Yes“ to accept the License Agreement. 47 Chapter 5 Supported Software www.dfi.
Chapter 5 HW Utility 3. Enter “User Name” and “Organization” information and then click Next. DFI Utility provides information about the board, HW Health, Watchdog, DIO, and Backlight. To access the utility, click “DFI Utility” on the main menu. Note: If you are using Windows 7, you need to access the operating system as an administrator to be able to install the utility. 1. Setup is ready to install the DFI Utility drifer. Click Next. 4. Click Install to begin the installation. 2.
Chapter 5 The DFI Utility icon will appear on the desktop. Double-click the icon to open the utility. Information WatchDog HW Health DIO 49 Chapter 5 Supported Software www.dfi.
Chapter 5 Intel USB 3.0 Drivers (For Windows 7 Only) To install the driver, click “Intel USB 3.0 Driver” on the main menu. 1. Setup is ready to install the driver. Click Next. Backlight 2. Read the license agreement then click Yes. 50 Chapter 5 Supported Software www.dfi.
Chapter 5 Adobe Acrobat Reader 9.3 3. Go through the readme document for more installation tips then click Next. To install the reader, click “Adobe Acrobat Reader 9.3” on the main menu. 1. Click Next to install or click Change Destination Folder to select another folder. 4. Setup is currently installing the driver. After installation has completed, click Next. 2. Click Install to begin installation. 5. After completing installation, click Finish. 3. Click Finish to exit installation.
Chapter 6 Chapter 6 - GPIO Programming Guide Function Description Get_EC_Data (unsigned char ucData): Read a Byte data from EC. Write_EC_Data (unsigned char ucData, unsigned char Data): Write a Byte data to EC.
Appendix A Appendix A - Watchdog Sample Code #include
Appendix B Appendix B - System Error Message Standard Status Codes When the BIOS encounters an error that requires the user to correct something, either a beep code will sound or a message will be displayed in a box in the middle of the screen and the message, PRESS F1 TO CONTINUE, CTRL-ALT-ESC or DEL TO ENTER SETUP, will be shown in the information box at the bottom. Enter Setup to correct the error.
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Appendix C Appendix C - Troubleshooting The picture seems to be constantly moving. 1. The monitor has lost its vertical sync. Adjust the monitor’s vertical sync. Troubleshooting Checklist 2. Move away any objects, such as another monitor or fan, that may be creating a magnetic field around the display. This chapter of the manual is designed to help you with problems that you may encounter with your personal computer. To efficiently troubleshoot your system, treat each problem individually.
Appendix C Hard Drive System Board Hard disk failure. 1. Make sure the add-in card is seated securely in the expansion slot. If the add-in card is loose, power off the system, re-install the card and power up the system. 1. Make sure the correct drive type for the hard disk drive has been entered in the BIOS. 2. Check the jumper settings to ensure that the jumpers are properly set. 2.
