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AXIOMTEK PICO840 User Manual

Intel atom e3845/e3827 intel celeron j1900/n2807 processors pico-itx board
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PICO840/842
®
TM
Intel
Atom
E3845/E3827
®
®
Intel
Celeron
Processors Pico-ITX Board
User's Manual
J1900/N2807

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Summary of Contents for AXIOMTEK PICO840

  • Page 1 PICO840/842 ® Intel Atom E3845/E3827 ® ® Intel Celeron J1900/N2807 Processors Pico-ITX Board User’s Manual...

  • Page 2: Disclaimers

    Axiomtek does not make any commitment to update the information in this manual. Axiomtek reserves the right to change or revise this document and/or product at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Axiomtek Co., Ltd.

  • Page 3: Esd Precautions

     Wear a wrist-grounding strap, available from most electronic component stores, when handling boards and components. Trademarks Acknowledgments Axiomtek is a trademark of Axiomtek Co., Ltd. ® Windows is a trademark of Microsoft Corporation. AMI is a trademark of American Megatrend Inc.

  • Page 4: Table Of Contents

    Table of Contents Disclaimers ..................... ii ESD Precautions ................... iii Chapter 1 Introduction ..........1 Features ....................2 Specifications ..................2 Utilities Supported ................3 Chapter 2 Board and Pin Assignments ....5 Board Dimensions and Fixing Holes ..........5 Board Layout ..................
  • Page 5 AX93283 Board Layout ..............24 AX93283 Jumper Settings ..............25 3.4.1 COM1 Data/Power Selection (JP1 and JP2) ..........25 AX93283 Connectors, Switches and LED ........26 3.5.1 System Reset Switch (CN1) ..............26 3.5.2 Audio Jack (CN2) ..................26 3.5.3 COM1 Connector (CN3) ................
  • Page 6 This page is intentionally left blank.

  • Page 7: Chapter 1 Introduction

    I/O functions for interactive applications and various embedded computing solutions. The PICO840/842 have one 204-pin unbuffered SO-DIMM socket for DDR3L 1333/1066MHz SO-DIMM memory, maximum memory capacity up to 8GB. It also features one Gigabit/Fast Ethernet, one SATA port with transfer rates up to 3Gb/s, four USB 2.0 high speed compliant,...

  • Page 8: Features

    PICO840/842 Pico-ITX Board Features ®  PICO840 - Intel Atom quad core E3845 (1.91GHz) and dual core E3827 (1.75GHz) ® ®  PICO842 - Intel Celeron quad core J1900 (2GHz) and dual core N2807 (1.58GHz)  1 DDR3L SO-DIMM supports up to 8GB memory capacity ...

  • Page 9: Utilities Supported

    PICO840/842 Pico-ITX Board  Trusted Platform Module (TPM)  Controller: ST ST33TPM12LPC via LPC bus interface.  Complies with TPM1.2 main and PC client specification.  Watchdog Timer  1~255 seconds or minutes; up to 255 levels.  Ethernet ®...
  • Page 10 PICO840/842 Pico-ITX Board This page is intentionally left blank. Introduction...

  • Page 11: Board And Pin Assignments

    PICO840/842 Pico-ITX Board Chapter 2 Board and Pin Assignments Board Dimensions and Fixing Holes Top View Board and Pin Assignments...
  • Page 12 PICO840/842 Pico-ITX Board Bottom View Side View Board and Pin Assignments...

  • Page 13: Board Layout

    PICO840/842 Pico-ITX Board Board Layout Top View Side View Board and Pin Assignments...
  • Page 14 PICO840/842 Pico-ITX Board SCN1 SSODIMM1 Bottom View Board and Pin Assignments...

  • Page 15: Assembly Drawing

    PICO840/842 Pico-ITX Board Assembly Drawing Heatsink for PICO840/842 (see image below): First of all, use the following four screws to secure heatsink on heatspreader. Board and Pin Assignments...
  • Page 16 Images below illustrate how to install the heat spreader. Installing Heatspreader The PICO840/842 has four assembly holes for installing heatspreader plate. Align and firmly secure the heatspreader plate to the PICO840/842. Be careful not to over-tighten the screws. Board and Pin Assignments...
  • Page 17 Installing Heatspreader and AX93283 I/O Board Gently insert I/O board into CN12 and CN13. Align and firmly secure the heatspreader plate and I/O board to PICO840/842. Be careful not to over-tighten the screws. See chapter 3 for more details of AX93283 I/O board.

  • Page 18: Jumper And Switch Settings

    And remove jumper clip from 2 jumper pins to open. Below illustration shows how to set up jumper. Properly configure jumper and switch settings on the PICO840/842 to meet your application purpose. Below you can find a summary table of jumpers, switch and onboard default settings.

  • Page 19: Lvds Voltage Selection (Jp1 And Jp2)

    PICO840/842 Pico-ITX Board 2.4.1 LVDS Voltage Selection (JP1 and JP2) The board supports voltage selection for flat panel displays. Use these jumpers to set LVDS connector (CN6) pin 1~6 VCCM to +3.3V, +5V or +12V. To prevent hardware damage, before connecting please make sure that input voltage of flat panel is correct.

  • Page 20: Connectors

    PICO840/842 Pico-ITX Board Connectors Signals go to other parts of the system through connectors. Loose or improper connection might cause problems, please make sure all connectors are properly and firmly connected. Here is a summary table which shows all connectors on the hardware.

  • Page 21: Vga Connector (Cn1)

    PICO840/842 Pico-ITX Board 2.5.1 VGA Connector (CN1) The CN1 is a standard 15-pin D-Sub connector which is co-layout with HDMI connector (CN2). It is commonly used for VGA display. This VGA interface configuration can be configured via software utility. Signal...

  • Page 22: Smbus Connector (Cn4)

    PICO840/842 Pico-ITX Board 2.5.4 SMBus Connector (CN4) This connector is for SMBus (System Management Bus) interface. Signal SMBus clock SMBus data 2.5.5 LVDS Connector (CN6) This board has a 2x20-pin connector for LVDS LCD interface. It is strongly recommended to use the matching JST SHDR-40VS-B connector for LVDS interface.
  • Page 23 PICO840/842 Pico-ITX Board 24-bit single channel 18-bit dual channel Pin Signal Pin Signal Pin Signal Pin Signal 1 VCCM VCCM VCCM VCCM VCCM VCCM VCCM VCCM VCCM VCCM VCCM VCCM 10 GND 10 GND 11 N.C 12 N.C 11 N.C 12 Channel B D0- 13 N.C...

  • Page 24: Power Led Header (Cn7)

    PICO840/842 Pico-ITX Board 2.5.6 Power LED Header (CN7) The CN7 is for power LED interface. Signal 2.5.7 SATA Power Connector (CN8) The CN8 is a 4-pin 2.0mm pitch wafer connector which is compliant with JST B4B-PH-K-S for SATA power interface.

  • Page 25: Fan Power Connector (Cn11)

    PICO840/842 Pico-ITX Board 2.5.10 Fan Power Connector (CN11) The CN11 is a 2.5mm pitch wafer connector which is compliant with JST B2B-ZH-K-S for fan power interface. Signal 2.5.11 Board to Board Connectors (CN12 and CN13) The pin assignments of CN12 are given as follows.

  • Page 26: Ethernet Port (Lan1)

    PICO840/842 Pico-ITX Board The pin assignments of CN13 are given as follows. Signal Signal DCD2 DSR2 RXD2 RTS2 TXD2 CTS2 DTR2 DCD1 DSR1 RXD1 RTS1 TXD1 CTS1 DTR1 It is suggested to insert AX93283 I/O board into CN12 and CN13 (see chapter 3 for details of AX93283).

  • Page 27: Cmos Battery Connector (Bat1)

    PICO840/842 Pico-ITX Board 2.5.14 CMOS Battery Connector (BAT1) This connector is for CMOS battery interface. Signal +3.3V 2.5.15 Full-size PCI-Express Mini Card and mSATA Connector (SCN1) This is a full-size PCI-Express Mini Card connector on the bottom side applying to either PCI-Express or USB 2.0 or SATA (mSATA).
  • Page 28 PICO840/842 Pico-ITX Board This page is intentionally left blank. Board and Pin Assignments...

  • Page 29: Chapter 3 I/O Board

    PICO840/842 Pico-ITX Board Chapter 3 I/O Board The AX93283 is an I/O expansion board which is suggested to insert carefully into CN12 and CN13 of PICO840/842. Its specifications and detailed information are given in this chapter. AX93283 Specifications  Size ...

  • Page 30: Ax93283 Board Layout

    PICO840/842 Pico-ITX Board Bottom View AX93283 Board Layout Top View Side View AX93283 I/O Board...

  • Page 31: Ax93283 Jumper Settings

    PICO840/842 Pico-ITX Board AX93283 Jumper Settings Properly configure jumper settings on the AX93283 I/O board to meet your application purpose. Below you can find a summary table of all jumpers and onboard default settings. Once the default jumper setting needs to be changed, please do it under power-off condition.

  • Page 32: Ax93283 Connectors, Switches And Led

    PICO840/842 Pico-ITX Board AX93283 Connectors, Switches and LED Signals go to other parts of the system through connectors. Loose or improper connection might cause problems, please make sure all connectors are properly and firmly connected. Here is a summary table which shows all connectors, switches and LED on the hardware.

  • Page 33: Com1 Connector (Cn3)

    PICO840/842 Pico-ITX Board 3.5.3 COM1 Connector (CN3) CN3 is the lower connector of the double-deck DB-9 connector. Only COM1 comes with power capability on DCD and RI pins by setting jumpers (see section 3.4.1). The pin assignments of RS-232/422/485 are listed in table below. If you need COM1 port to support RS-422 or RS-485, please refer to section 5.4.

  • Page 34: Board To Board Connectors (Cn9 And Cn10)

    PICO840/842 Pico-ITX Board 3.5.6 Board to Board Connectors (CN9 and CN10) The pin assignments of CN9 are given as follows. Signal Signal LINE_OUT_L LINE_IN_L LINE_OUT_R LINE_IN_R USB1_PWR USB1_PWR USB0_DATA- USB1_DATA- USB0_DATA+ USB1_DATA+ USB2_PWR USB2_PWR USB2_DATA- USB3_DATA- USB2_DATA+ USB3_DATA+ PS_ON RESET...

  • Page 35: Usb Connectors (Usb1 And Usb2)

    RXD1 RTS1 TXD1 CTS1 DTR1 Please gently insert CN9 and CN10 into CN12 and CN13 of PICO840/842. Note 3.5.7 USB Connectors (USB1 and USB2) The board comes with two double-deck Universal Serial Bus (compliant with USB 2.0 (480Mbps)) connectors on the rear I/O which are for installing USB peripherals such as keyboard, mouse, scanner, etc.
  • Page 36 PICO840/842 Pico-ITX Board This page is intentionally left blank. AX93283 I/O Board...

  • Page 37: Chapter 4 Hardware Description

    Make sure all correct settings are arranged for your installed microprocessor to prevent the CPU from damages. BIOS The PICO840/842 uses AMI Plug and Play BIOS with a single 16Mbit SPI Flash. System Memory The PICO840/842 supports one 204-pin DDR3L SO-DIMM socket for maximum memory capacity up to 8GB DDR3L SDRAMs.

  • Page 38: I/O Port Address Map

    PICO840/842 Pico-ITX Board I/O Port Address Map Total 1KB port addresses are available for assigning to other devices via I/O expansion cards. Hardware Description...

  • Page 39: Interrupt Controller (Irq) Map

    PICO840/842 Pico-ITX Board Interrupt Controller (IRQ) Map The interrupt controller (IRQ) mapping list is shown as follows: Hardware Description...
  • Page 40 PICO840/842 Pico-ITX Board Hardware Description...
  • Page 41 PICO840/842 Pico-ITX Board Hardware Description...

  • Page 42: Memory Map

    PICO840/842 Pico-ITX Board Memory Map The memory mapping list is shown as follows: Hardware Description...

  • Page 43: Ami Bios Setup Utility

    PICO840/842 Pico-ITX Board Chapter 5 AMI BIOS Setup Utility The AMI UEFI BIOS provides users with a built-in setup program to modify basic system configuration. All configured parameters are stored in a flash chip to save the setup information whenever the power is turned off. This chapter provides users with detailed description about how to set up basic system configuration through the AMI BIOS setup utility.
  • Page 44 PICO840/842 Pico-ITX Board Hot Keys Description  Left/Right The Left and Right <Arrow> keys allow you to select a setup screen. The Up and Down <Arrow> keys allow you to select a setup screen or  Up/Down sub-screen. The Plus and Minus <Arrow> keys allow you to change the field value of a +...

  • Page 45: Main Menu

    PICO840/842 Pico-ITX Board Main Menu When you first enter the setup utility, you will enter the Main setup screen. You can always return to the Main setup screen by selecting the Main tab. System Time/Date can be set up as described below.

  • Page 46: Advanced Menu

    PICO840/842 Pico-ITX Board Advanced Menu The Advanced menu also allows users to set configuration of the CPU and other system devices. You can select any of the items in the left frame of the screen to go to the sub menus: ►...
  • Page 47 PICO840/842 Pico-ITX Board  ACPI Settings ACPI Sleep State Select the ACPI (Advanced Configuration and Power Interface) sleep state. Configuration options are Suspend Disabled and S3 (Suspend to RAM). The default setting is S3 (Suspend to RAM); this option selects ACPI sleep state the system will enter when suspend button is pressed.
  • Page 48 PICO840/842 Pico-ITX Board  F81803 Super IO Configuration You can use this screen to select options for the Super IO Configuration, and change the value of the selected option. A description of the selected item appears on the right side of the screen.
  • Page 49 PICO840/842 Pico-ITX Board  Serial Port 1 Configuration Serial Port Enable or disable serial port 1. The optimal setting for base I/O address is 3F8h and for interrupt request address is IRQ4. COM Port Type Use this option to set RS-232/422/485 mode.
  • Page 50 PICO840/842 Pico-ITX Board  Serial Port 2 Configuration Serial Port Enable or disable serial port 2. The optimal setting for base I/O address is 2F8h and for interrupt request address is IRQ3. COM Port Type Use this option to set RS-232/422/485 mode.
  • Page 51 PICO840/842 Pico-ITX Board  F81801 H/W Monitor This screen monitors hardware health status. This screen displays the temperature of system and CPU, system voltages (VCORE and +5V). AMI BIOS Setup Utility...
  • Page 52 PICO840/842 Pico-ITX Board  CPU Configuration This screen shows the CPU Configuration. Socket 0 CPU Information This item is for CPU information. Intel Virtualization Technology Enable or disable Intel Virtualization Technology. When enabled, a Virtual Machine Mode can utilize the additional hardware capabilities. It allows a platform to run multiple operating systems and applications independently, hence enabling a single computer system to work as several virtual systems.
  • Page 53 PICO840/842 Pico-ITX Board  Socket 0 CPU Information This screen shows CPU information. AMI BIOS Setup Utility...
  • Page 54 PICO840/842 Pico-ITX Board  IDE Configuration In the IDE Configuration menu, you can see the currently installed hardware in the SATA ports. During system boot up, the BIOS automatically detects the presence of SATA devices. Serial-ATA (SATA) Enable or disable the SATA Controller feature. The default is Enabled.
  • Page 55 PICO840/842 Pico-ITX Board  Trusted Computing This screen provides function for specifying the TPM settings. Security Device Support Enable or disable BIOS support for security device. The default setting is Disabled. TPM State Once the Security Device Support is Enabled, TPM can be used by the operating system.
  • Page 56 PICO840/842 Pico-ITX Board  USB Configuration USB Devices Display all detected USB devices. Legacy USB Support Enable or disable support for USB device on legacy operating system. The default setting is Enabled. Auto option disables legacy support if no USB devices are connected. Disable option will keep USB devices available only for EFI applications.
  • Page 57 PICO840/842 Pico-ITX Board  Utility Configuration BIOS Flash Utility BIOS flash utility configuration. For more detailed information, please refer to Appendix B. AMI BIOS Setup Utility...

  • Page 58: Chipset Menu

    PICO840/842 Pico-ITX Board Chipset Menu The Chipset menu allows users to change the advanced chipset settings. You can select any of the items in the left frame of the screen to go to the sub menus: ► North Bridge ►...
  • Page 59 PICO840/842 Pico-ITX Board  North Bridge This screen allows users to configure parameters of North Bridge chipset. LVDS Panel Type Select LVDS panel resolution. Memory Information Show the information related to system memory. AMI BIOS Setup Utility...
  • Page 60 PICO840/842 Pico-ITX Board  South Bridge This screen allows users to configure parameters of South Bridge chipset. Audio Controller Control detection of the Audio device. Disabled - Audio will be unconditionally disabled. Enabled - Audio will be unconditionally enabled. AMI BIOS Setup Utility...

  • Page 61: Security Menu

    PICO840/842 Pico-ITX Board Security Menu The Security menu allows users to change the security settings for the system.  Administrator Password Set administrator password.  User Password Set user password. AMI BIOS Setup Utility...

  • Page 62: Boot Menu

    PICO840/842 Pico-ITX Board Boot Menu The Boot menu allows users to change boot options of the system.  Setup Prompt Timeout Number of seconds to wait for setup activation key. 65535(0xFFFF) means indefinite waiting.  Bootup NumLock State Use this item to select the power-on state for the keyboard NumLock.

  • Page 63: Save & Exit Menu

    PICO840/842 Pico-ITX Board Save & Exit Menu The Save & Exit menu allows users to load your system configuration with optimal or fail-safe default values.  Save Changes and Exit When you have completed the system configuration changes, select this option to leave Setup and return to Main Menu.
  • Page 64 PICO840/842 Pico-ITX Board  Discard Changes Select this option to quit Setup without making any permanent changes to the system configuration. Select Discard Changes from the Save & Exit menu and press <Enter>. Select Yes to discard changes.  Restore Defaults It automatically sets all Setup options to a complete set of default settings when you select this option.

  • Page 65: Appendix A Watchdog Timer

    PICO840/842 Pico-ITX Board Appendix A Watchdog Timer A.1 About Watchdog Timer Software stability is major issue in most application. Some embedded systems are not watched by human for 24 hours. It is usually too slow to wait for someone to reboot when computer hangs.

  • Page 66: A.3 Sample Program

    PICO840/842 Pico-ITX Board A.3 Sample Program Assembly sample code : ;Enable WDT: dx,2Eh al,87 ;Un-lock super I/O dx,al dx,al ;Select Logic device: dx,2Eh al,07h dx,al dx,2Fh al,07h dx,al ;Enable WDT base address: dx,2Eh al,30h dx,al dx,2Fh al,01h dx,al ;Activate WDT:...
  • Page 67 PICO840/842 Pico-ITX Board If N=79h, the time base is set to minute. M = time value 00: Time-out Disable 01: Time-out occurs after 1 minute 02: Time-out occurs after 2 minutes 03: Time-out occurs after 3 minutes FFh: Time-out occurs after 255 minutes...
  • Page 68 PICO840/842 Pico-ITX Board This page is intentionally left blank. BIOS Flash Utility...

  • Page 69: Appendix Bbios Flash Utility

    Please read and follow the instructions below carefully. In your USB flash drive, create a new folder and name it “Axiomtek”, see figure below. Copy BIOS ROM file (e.g. PICO84X.005) to “Axiomtek” folder.
  • Page 70 Select the USB drive containing BIOS ROM file you want to update using the <> or <> key. Then press <Enter> to get into “Axiomtek” folder. Now you can see the BIOS ROM file on the screen, press <Enter> to select.
  • Page 71 PICO840/842 Pico-ITX Board Please wait while BIOS completes the entire flash update process: erase data, write new data and verify data. 10. When you see the following figure, press <Enter> to finish the update process. After that the system will shut down and restart immediately.

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