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AXIOMTEK SBC87842, User Manual

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SBC87842 Single Board Computer

 

10 

 

Board and Pin Assignments

 

 

2.4.1 

Front Panel Connector (CN1) 

 

 

 

 
 
 
 

 

HDD Activity LED

 

This  connection  is  linked  to  hard  drive  activity  LED  on  the  control  panel.  LED  flashes 
when HDD is being accessed. Pin 1 and 3 connect the hard disk drive to the front panel 
HDD LED, pin 3 is assigned as cathode(-) and pin 1 is assigned as anode(+). 
 

System Reset Switch 

Pin 5 and 6 connect the case-mounted reset switch that reboots your computer without 
turning off the power switch. It is a better way to reboot your system for a longer life of 
system power supply. 

 

Power On/Off Button 

Pin  7  and  8  connect  the  power  button  on  front  panel  to  the  CPU  board,  which  allows 
users to turn on or off power supply. 
 
 

2.4.2 

Power Input Terminal Block (CN2) 

The board is equipped with a 3-pin terminal block for 12~24VDC power input. 

 

 

 
 

2.4.3 

SATA Power Connector (CN5) 

This is a 2-pin connector for interfacing to SATA 2.5" HDD power supply. 

 

 

 
 

 
 

Pin 

Signal 

1 

 

2 

+3.3V 

3 

HDDLED- 

4 

+3.3V 

5 

HW RST+ 

6 

HW RST- 

7 

PWRSW+ 

8 

PWRSW- 

Pin 

Signal 

1 

+ 

2 

NC 

3 

- 

Pin 

Signal 

1 

+5V 

2 

GND 

Summary of Contents for SBC87842

Page 1: ...SBC87842 Intel AtomTM E3827 and Celeron N2807 Processor Single Board Computer User s Manual ...

Page 2: ...anual 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 CAUTION If you replace wrong batteries it causes the danger o...

Page 3: ... unpainted portion of the system unit chassis for a few seconds It discharges static electricity from your body 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 AMI is a trademark of American Megatrend Inc IBM PC AT PS 2 VGA are trademarks of International Business ...

Page 4: ...lock CN2 10 2 4 3 SATA Power Connector CN5 10 2 4 4 Full size PCI Express Mini Card and mSATA Connector CN6 11 2 4 5 VGA Connector CN7 12 2 4 6 SIM Card Slot CN9 12 2 4 7 Ethernet Port CN10 12 2 4 8 COM1 COM4 Connectors CN11 CN12 13 2 4 9 SMBus Connector CN2001 13 2 4 10 SATA Connector SATA1 13 2 4 11 CompactFlash Socket CF1 14 2 4 12 USB Connector USB1 15 2 4 13 LED Indicator LED3 15 Chapter 3 Ha...

Page 5: ... 4 4 Advanced Menu 29 4 5 Chipset Menu 40 4 6 Security Menu 42 4 7 Boot Menu 43 4 8 Save Exit Menu 45 Appendix A Watchdog Timer 47 A 1 About Watchdog Timer 47 A 2 How to Use Watchdog Timer 47 Appendix B Heatspreader Optional 49 B 1 Installing Heatspreader 49 ...

Page 6: ...vi This page is intentionally left blank ...

Page 7: ...mputing solutions There is one 204 pin SO DIMM socket for single channel DDR3L 1333MHz memory with maximum capacity up to 8GB The board also features dual Gigabit Ethernet one SATA one CompactFlash TM socket and two USB 2 0 compliant ports to achieve the best stability and reliability for industrial applications 1 1 Features Intel Atom TM E3827 1 75GHz and Celeron N2807 1 58GHz 1 DDR3L SO DIMM sup...

Page 8: ...al ATA One SATA 300 connector mSATA support Optional USB Interface Two USB ports with fuse protection and complies with USB Spec Rev 2 0 Display One slim type 15 pin D Sub as VGA connector Watchdog Timer 1 255 seconds or minutes up to 255 levels Ethernet Two RJ 45 LAN ports Intel i211AT supports 1000 100 10Mbps Gigabit Fast Ethernet with Wake on LAN and PXE Boot ROM Expansion Interface One full si...

Page 9: ...tion 3 Dimensions 143 05mm W x 104 65mm D Note All specifications and images are subject to change without notice 1 3 Utilities Supported Chipset and graphics driver Ethernet driver AHCI driver Trusted Execution Engine Sideband Fabric Device ...

Page 10: ...SBC87842 Single Board Computer 4 Introduction This page is intentionally left blank ...

Page 11: ...SBC87842 Single Board Computer Board and Pin Assignments 5 Chapter 2 Board and Pin Assignments 2 1 Board Dimensions and Fixing Holes Top View ...

Page 12: ...SBC87842 Single Board Computer 6 Board and Pin Assignments Bottom View Side View ...

Page 13: ...SBC87842 Single Board Computer Board and Pin Assignments 7 2 2 Board Layout Top View Side View ...

Page 14: ...ers are in factory default position Below you can find a summary table of all jumpers and onboard default settings Note Once the default jumper setting needs to be changed please do it under power off condition Jumper Description Setting JP2 Restore BIOS Optimal Defaults Default Normal Operation 1 2 Close 2 3 1 Restore BIOS Optimal Defaults JP2 Put jumper clip to pin 2 3 for a few seconds then mov...

Page 15: ... summary table which shows all connectors and LEDs on the hardware Connector LED Description CN1 Front Panel Connector CN2 Power Input Terminal Block CN5 SATA Power Connector CN6 Full size PCI Express Mini Card and mSATA Connector CN7 VGA Connector CN9 SIM Card Slot CN10 Ethernet Port 1 and 2 CN11 CN12 COM1 COM4 Connectors CN2001 SMBus Connector SATA1 SATA Connector CF1 CompactFlash TM Socket USB1...

Page 16: ...h that reboots your computer without turning off the power switch It is a better way to reboot your system for a longer life of system power supply Power On Off Button Pin 7 and 8 connect the power button on front panel to the CPU board which allows users to turn on or off power supply 2 4 2 Power Input Terminal Block CN2 The board is equipped with a 3 pin terminal block for 12 24VDC power input 2...

Page 17: ...pactFlash TM or mSATA Pin Signal Pin Signal 1 WAKE 2 3 3VSB 3 RSVD1 4 GND 5 RSVD2 6 1 5V 7 CLKREQ 8 SIM_PWR 9 GND 10 SIM_I O 11 REFCLK 12 SIM_CLK 13 REFCLK 14 SIM_RST 15 GND 16 SIM_VCC 17 RSVD3 18 GND 19 RSVD4 20 RSVD9 21 GND 22 PERST 23 PE_RXN0 SATA_RXP1 24 3 3VSB 25 PE_RXP0 SATA_RXN1 26 GND 27 GND 28 1 5V 29 GND 30 SMB_CLK 31 PE_TXN0 SATA_TXN1 32 SMB_DATA 33 PE_TXP0 SATA_TXP1 34 GND 35 GND 36 US...

Page 18: ...G module which is inserted to CN6 2 4 7 Ethernet Port CN10 The board has two RJ 45 connectors Ethernet connection can be established by plugging one end of the Ethernet cable into this RJ 45 connector and the other end phone jack to a 1000 100 10 Base T hub Pin Signal Pin Signal 1 Red 2 Green 3 Blue 4 N C 5 GND 6 DETECT 7 GND 8 GND 9 VCC 10 GND 11 N C 12 DDC DATA 13 Horizontal Sync 14 Vertical Syn...

Page 19: ...Bus System Management Bus is a simple bus for the purpose of lightweight communication 2 4 10 SATA Connector SATA1 This Serial Advanced Technology Attachment Serial ATA or SATA connector is for high speed SATA interface It is a computer bus interface for connecting to devices such as hard disk drive Pin RS 232 RS 422 RS 485 1 DCD TX Data 2 RXD TX Data 3 TXD RX No use 4 DTR RX No use 5 GND GND GND ...

Page 20: ...23 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 25 50 Note Please refer to section 4 4 to select CompactFlash TM or mSATA Pin Signal Pin Signal 1 GND 26 CD1 2 Data 3 27 Data 11 3 Data 4 28 Data 12 4 Data 5 29 Data 13 5 Data 6 30 Data 14 6 Data 7 31 Data 15 7 CS0 32 CS1 8 Address 10 33 VS1 9 ATASEL 34 IORD 10 Address 9 35 IOWR 11 Address 8 36 WE 12 Address 7 37 INTR 13...

Page 21: ... keyboard mouse scanner etc 1 2 3 4 5 6 7 8 2 4 13 LED Indicator LED3 The storage LED green is linked to Hard Disk Drive HDD activity signal LED flashes every time when HDD is accessed The power LED yellow lights up and remain steady while the system is powered on Pin Signal Pin Signal 1 USB VCC 5V 5 USB VCC 5V 2 USB 0_D 6 USB 1_D 3 USB 0_D 7 USB 1_D 4 GND 8 GND Color Description Green Hard disk d...

Page 22: ...SBC87842 Single Board Computer 16 Board and Pin Assignments This page is intentionally left blank ...

Page 23: ... Linux environments The system performance depends on the microprocessor Make sure all correct settings are arranged for your installed microprocessor to prevent the CPU from damages 3 2 BIOS The SBC87842 uses AMI Plug and Play BIOS with a single 64Mbit SPI Flash 3 3 System Memory The SBC87842 supports one 204 pin DDR3L SO DIMM socket for maximum memory capacity up to 8GB DDR3L SDRAMs The memory m...

Page 24: ...SBC87842 Single Board Computer 18 Hardware Description 3 4 I O Port Address Map The I O port address mapping list is shown as follows ...

Page 25: ...SBC87842 Single Board Computer Hardware Description 19 ...

Page 26: ...SBC87842 Single Board Computer 20 Hardware Description 3 5 Interrupt Controller IRQ Map The interrupt controller IRQ mapping list is shown as follows ...

Page 27: ...SBC87842 Single Board Computer Hardware Description 21 ...

Page 28: ...SBC87842 Single Board Computer 22 Hardware Description ...

Page 29: ...SBC87842 Single Board Computer Hardware Description 23 ...

Page 30: ...SBC87842 Single Board Computer 24 Hardware Description ...

Page 31: ...SBC87842 Single Board Computer Hardware Description 25 3 6 Memory Map The memory mapping list is shown as follows ...

Page 32: ...SBC87842 Single Board Computer 26 Hardware Description This page is intentionally left blank ...

Page 33: ...etup menu displays You can access the other setup screens from the main BIOS setup menu such as the Advanced and Chipset menus Note If your computer cannot boot after making and saving system changes with BIOS setup you can restore BIOS optimal defaults by setting JP2 see section 2 4 1 It is strongly recommended that you should avoid changing the chipset s defaults Both AMI and your system manufac...

Page 34: ...lows you to Load Optimized Defaults F4 The F4 key allows you to save any changes you have made and exit Setup Press the F4 key to save your changes Esc The Esc key allows you to discard any changes you have made and exit the Setup Press the Esc key to exit the setup without saving your changes Enter The Enter key allows you to display or change the setup option listed for a particular setup item T...

Page 35: ... The date must be entered in MM DD YY format The time is entered in HH MM SS format Access Level Display the access level of current user 4 4 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 ACPI Settings Serial Port Hardware Monitor RTC Wake Settings Ser...

Page 36: ...87842 Single Board Computer 30 AMI BIOS Setup Utility ACPI Settings ACPI Sleep State When the suspend button is pressed the Advanced Configuration and Power Interface ACPI sleep state is S3 Suspend to RAM ...

Page 37: ... options for the Serial Port Configuration and change the value of the selected option A description of the selected item appears on the right side of the screen For items marked with please press Enter for more options Serial Port 1 4 COM1 4 Use these items to set parameters related to serial port 1 4 ...

Page 38: ... setting for base I O address is 3F8h and for interrupt request address is IRQ4 COM Port Type These are settings for RS 232 422 485 mode The default setting for all serial ports is RS 232 The COM_TERM option appears only if RS 422 or RS 485 mode is selected see images below Use COM_TERM to enable or disable internal 120Ω terminator ...

Page 39: ...ngle Board Computer AMI BIOS Setup Utility 33 Hardware Monitor This screen monitors hardware health status This screen displays the temperature of system and CPU and system voltages VCORE VBAT 5 0V VSB3 and VCC3V ...

Page 40: ...alarm event The default is Disabled It allows you to wake up the system in a certain time Select Fixed Time to set the system to wake on the specified time see image below Use to switch among the items Hour Minute and Second and type the value in the selected item as you wish For example if you want the system to boot up automatically at 14 25 26 then you should enter 14 25 and 26 from top to bott...

Page 41: ...value of the selected option A description of the selected item appears on the right side of the screen For items marked with please press Enter for more options COM1 Console Redirection Enable or disable console redirection Note that only COM1 supports this feature Console Redirection Settings When enabled the host computer is allowed to remotely manage the computer with SBC87842 ...

Page 42: ...SBC87842 Single Board Computer 36 AMI BIOS Setup Utility You can use this screen to further change parameters for console redirection settings ...

Page 43: ...omputer AMI BIOS Setup Utility 37 CPU Configuration This screen shows the CPU information and you can change the value of the selected option Socket 0 CPU Information This item is for CPU information Socket 0 CPU Information ...

Page 44: ...p Utility IDE Configuration In this 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 CF mSATA Select CompactFlash TM or mSATA support ...

Page 45: ...SBC87842 Single Board Computer AMI BIOS Setup Utility 39 USB Configuration USB Devices Display all detected USB devices ...

Page 46: ...tility 4 5 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 For items marked with please press Enter for more options ...

Page 47: ...SBC87842 Single Board Computer AMI BIOS Setup Utility 41 North Bridge This screen shows system memory information ...

Page 48: ...m Administrator Password This item indicates whether an administrator password has been set installed or uninstalled User Password This item indicates whether an user password has been set installed or uninstalled Note The BIOS default has no password Create a new password and please remember it If you forget the password then RMA is the only solution ...

Page 49: ...nu 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 Legacy PXE OpROM Control the execution of UEFI and legacy Preboot eXecution Environment PXE OpROM The default is Disabled ...

Page 50: ...ion Priorities Boot Option 1 These are settings for boot priority Specify the boot device priority sequence from the available devices Hard Drive BBS Priorities Set the order of hard drive boot This option appears only if at least one device of this group is detected ...

Page 51: ...ut making any permanent changes to the system configuration and reboot the computer Select Discard Changes and Reset from the Save Exit menu and press Enter Select Yes to discard changes and reset Restore Defaults It automatically sets all Setup options to a complete set of default settings when you select this option Select Restore Defaults from the Save Exit menu and press Enter Save as User Def...

Page 52: ...SBC87842 Single Board Computer 46 AMI BIOS Setup Utility This page is intentionally left blank ...

Page 53: ...ow to Use Watchdog Timer The following example enables configuration using debug tool Enable WDT Enable configuration O 2E 87 Un lock super I O O 2E 87 Select logic device O 2E 07 O 2F 08 WDT device enable O 2E 30 O 2F 01 Set timer unit O 2E F0 O 2F 00 00 Sec 08 Minute Set base timer O 2E F1 O 2F 0A Set reset time where 0A hex 10sec Disable WDT Enable configuration O 2E 87 Un lock super I O O 2E 8...

Page 54: ...SBC87842 Single Board Computer 48 Watchdog Timer This page is intentionally left blank ...

Page 55: ...rmal pads on the heatspreader are designed to make contact with the necessary components on the board When mounting the heatspreader you must make sure that the thermal pads on the heatspreader make complete contact no space between thermal pad and component with the corresponding components on the board This is especially critical for CPU board that have higher CPU speeds for example 1 46GHz or m...

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