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AXIOMTEK PICO840, User Manual

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AXIOMTEK PICO840 User Manual Download Page 16

PICO840/842 Pico-ITX Board

 

10 

 

Board and Pin Assignments

 

 
For thermal dissipation, a heatspreader enables the PICO840/842

’s components to dissipate 

heat efficiently. 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. 
 

 

x4   

  x4   

  x4

 

 
 

 

 
 

Summary of Contents for PICO840

Page 1: ...PICO840 842 Intel AtomTM E3845 E3827 Intel Celeron J1900 N2807 Processors Pico ITX Board User s Manual...

Page 2: ...ual 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 an...

Page 3: ...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...

Page 4: ...5 Connectors 14 2 5 1 VGA Connector CN1 15 2 5 2 HDMI Connector CN2 15 2 5 3 DC Power Jack w Screw CN3 15 2 5 4 SMBus Connector CN4 16 2 5 5 LVDS Connector CN6 16 2 5 6 Power LED Header CN7 18 2 5 7 S...

Page 5: ...USB1 and USB2 29 3 5 8 Power and HDD LED Indicator D1 29 Chapter 4 Hardware Description 31 4 1 Microprocessors 31 4 2 BIOS 31 4 3 System Memory 31 4 4 I O Port Address Map 32 4 5 Interrupt Controller...

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

Page 7: ...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 co...

Page 8: ...onnector Operating Temperature PICO840 40 C 70 C PICO842 20 C 70 C BIOS American Megatrends Inc UEFI Unified Extensible Firmware Interface BIOS 16Mbit SPI Flash DMI Plug and Play PXE Ethernet Boot ROM...

Page 9: ...n and line out Expansion Interface One full size PCI Express Mini Card socket complies with PCI Express Mini Card Spec V1 2 Power Input DC power jack connector co layout with 1x2 pin right angle conne...

Page 10: ...PICO840 842 Pico ITX Board 4 Introduction This page is intentionally left blank...

Page 11: ...PICO840 842 Pico ITX Board Board and Pin Assignments 5 Chapter 2 Board and Pin Assignments 2 1 Board Dimensions and Fixing Holes Top View...

Page 12: ...PICO840 842 Pico ITX Board 6 Board and Pin Assignments Bottom View Side View...

Page 13: ...PICO840 842 Pico ITX Board Board and Pin Assignments 7 2 2 Board Layout Top View Side View...

Page 14: ...PICO840 842 Pico ITX Board 8 Board and Pin Assignments SSODIMM1 SCN1 Bottom View...

Page 15: ...PICO840 842 Pico ITX Board Board and Pin Assignments 9 2 3 Assembly Drawing Heatsink for PICO840 842 see image below First of all use the following four screws to secure heatsink on heatspreader x4...

Page 16: ...2 s components to dissipate heat efficiently Images below illustrate how to install the heat spreader Installing Heatspreader The PICO840 842 has four assembly holes for installing heatspreader plate...

Page 17: ...ing 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...

Page 18: ...40 842 to meet your application purpose Below you can find a summary table of jumpers switch and onboard default settings Note Once the default jumper or switch setting needs to be changed please do i...

Page 19: ...estore BIOS Optimal Defaults JP5 Put jumper clip to pin 2 3 for a few seconds then move it back to pin 1 2 Doing this procedure can restore BIOS optimal defaults 2 4 4 Auto Power On SW1 If SW1 is enab...

Page 20: ...rdware Connector Description CN1 VGA Connector CN2 HDMI Connector CN3 DC Power Jack w Screw CN4 SMBus Connector CN6 LVDS Connector CN7 Power LED Header CN8 SATA Power Connector CN9 External Speaker an...

Page 21: ...cable 2 5 3 DC Power Jack w Screw CN3 The CN3 is a DC power jack with screw Firmly insert at least 60W adapter into this connector Loose connection may cause system instability and make sure all comp...

Page 22: ...in 1 6 VCCM can be set to 3 3V 5V or 12V by setting JP2 or JP1 see section 2 4 1 18 bit single channel Pin Signal 1 SMBus clock 2 SMBus data 3 GND Pin Signal Pin Signal 1 VCCM 2 VCCM 3 VCCM 4 VCCM 5 V...

Page 23: ...0 13 N C 14 Channel B D0 15 GND 16 GND 17 Channel B CLK 18 Channel B D1 19 Channel B CLK 20 Channel B D1 21 GND 22 GND 23 Channel A D0 24 Channel B D2 25 Channel A D0 26 Channel B D2 27 GND 28 GND 29...

Page 24: ...necting the CPU board to an internal buzzer please set pin 2 and 3 closed default while connecting to an external speaker you need to set pins 2 and 3 opened and connect the speaker cable to pin 1 and...

Page 25: ...ments of CN12 are given as follows 2 40 1 39 Pin Signal 1 5V 2 GND Pin Signal Pin Signal 1 MIC 2 LINE_OUT_L 3 LINE_IN_L 4 LINE_OUT_R 5 LINE_IN_R 6 GND 7 GND 8 GND 9 GND 10 GND 11 USB1_PWR 12 USB1_PWR...

Page 26: ...o a 1000 100 10 Base T hub 2 5 13 SATA Connector SATA1 This Serial Advanced Technology Attachment Serial ATA or SATA connector is for high speed SATA interface port It is a computer bus interface for...

Page 27: ...er to BIOS setting in section 5 4 to enable or disable mSATA support Pin Signal 1 3 3V 2 GND Pin Signal Pin Signal 1 WAKE 2 3 3VSB 3 No use 4 GND 5 No use 6 1 5V 7 CLKREQ 8 No use 9 GND 10 No use 11 R...

Page 28: ...PICO840 842 Pico ITX Board 22 Board and Pin Assignments This page is intentionally left blank...

Page 29: ...842 Its specifications and detailed information are given in this chapter 3 1 AX93283 Specifications Size 29 25mm x 118mm Features Supports audio jack MIC in line out Four USB 2 0 Serial Ports Two por...

Page 30: ...PICO840 842 Pico ITX Board 24 AX93283 I O Board Bottom View 3 3 AX93283 Board Layout Top View Side View...

Page 31: ...ion Default RS 232 Data CN3 Pin 18 RI 1 2 Close JP2 COM1 Data 5V Power Selection Default RS 232 Data CN3 Pin 10 DCD 1 2 Close 3 4 1 COM1 Data Power Selection JP1 and JP2 The COM1 port has 12V level po...

Page 32: ...o Jack CN3 COM1 Connector CN4 COM2 Connector CN5 System Power Switch CN9 40 pin Board to Board Connector CN10 20 pin Board to Board Connector USB1 USB2 USB 2 0 Connectors D1 Power and HDD LED indicato...

Page 33: ...ctor The pin assignments of RS 232 422 485 are listed in table below If you need COM2 port to support RS 422 or RS 485 please refer to section 5 4 3 5 5 System Power Switch CN5 This switch is for turn...

Page 34: ...l 1 MIC 2 LINE_OUT_L 3 LINE_IN_L 4 LINE_OUT_R 5 LINE_IN_R 6 GND 7 GND 8 GND 9 GND 10 GND 11 USB1_PWR 12 USB1_PWR 13 USB0_DATA 14 USB1_DATA 15 USB0_DATA 16 USB1_DATA 17 GND 18 GND 19 GND 20 GND 21 USB2...

Page 35: ...mouse scanner etc 1 2 3 4 5 6 7 8 3 5 8 Power and HDD LED Indicator D1 The red LED is linked to Hard Disk Drive HDD activity signal LED flashes every time when HDD is accessed The power LED green ligh...

Page 36: ...PICO840 842 Pico ITX Board 30 AX93283 I O Board This page is intentionally left blank...

Page 37: ...ows 7 and Windows 8 1 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 4...

Page 38: ...PICO840 842 Pico ITX Board 32 Hardware Description 4 4 I O Port Address Map Total 1KB port addresses are available for assigning to other devices via I O expansion cards...

Page 39: ...PICO840 842 Pico ITX Board Hardware Description 33 4 5 Interrupt Controller IRQ Map The interrupt controller IRQ mapping list is shown as follows...

Page 40: ...PICO840 842 Pico ITX Board 34 Hardware Description...

Page 41: ...PICO840 842 Pico ITX Board Hardware Description 35...

Page 42: ...PICO840 842 Pico ITX Board 36 Hardware Description 4 6 Memory Map The memory mapping list is shown as follows...

Page 43: ...p 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 wit...

Page 44: ...1 The F1 key allows you to display the General Help screen F2 The F2 key allows you to Load Previous Values F3 The F3 key allows you to Load Optimized Defaults F4 The F4 key allows you to save any cha...

Page 45: ...tup screen is shown below BIOS Information Display the BIOS information System Language Choose the system default language System Date Time Use this option to change the system time and date Highlight...

Page 46: ...he 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 F81803 Super IO Configuration F81803 HW Monitor CPU Configuration I...

Page 47: ...ep 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 se...

Page 48: ...lect 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 For items marked with please press En...

Page 49: ...Setup Utility 43 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 th...

Page 50: ...OS Setup Utility 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 th...

Page 51: ...PICO840 842 Pico ITX Board AMI BIOS Setup Utility 45 F81801 H W Monitor This screen monitors hardware health status This screen displays the temperature of system and CPU system voltages VCORE and 5V...

Page 52: ...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...

Page 53: ...PICO840 842 Pico ITX Board AMI BIOS Setup Utility 47 Socket 0 CPU Information This screen shows CPU information...

Page 54: ...or disable the SATA Controller feature The default is Enabled SATA Mode Determine how SATA controller s operate Operation mode options are IDE Mode and AHCI Advanced Host Controller Interface Mode Th...

Page 55: ...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 ca...

Page 56: ...lay 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...

Page 57: ...PICO840 842 Pico ITX Board AMI BIOS Setup Utility 51 Utility Configuration BIOS Flash Utility BIOS flash utility configuration For more detailed information please refer to Appendix B...

Page 58: ...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 South Bridge Fo...

Page 59: ...rd AMI BIOS Setup Utility 53 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...

Page 60: ...Utility 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 En...

Page 61: ...o ITX Board AMI BIOS Setup Utility 55 5 6 Security Menu The Security menu allows users to change the security settings for the system Administrator Password Set administrator password User Password Se...

Page 62: ...tup NumLock State Use this item to select the power on state for the keyboard NumLock Quiet Boot Select to display either POST output messages or a splash screen during boot up Legacy PXE OpROM Enable...

Page 63: ...menu and press Enter Select Yes to discard changes and exit Save Changes and Reset When you have completed the system configuration changes select this option to leave Setup and reboot the computer s...

Page 64: ...Exit menu and press Enter Save as User Defaults Select this option to save system configuration changes done so far as User Defaults Select Save as User Defaults from the Save Exit menu and press Ente...

Page 65: ...e and must reset it periodically If the counter ever reaches zero which means the software has crashed the system will reboot A 2 How to Use Watchdog Timer The I O port base addresses of watchdog time...

Page 66: ...ivate WDT mov dx 2Eh mov al 0F0h out dx al mov dx 2Fh mov al 80h out dx al Set base timer mov dx 2Eh mov al 0F6h out dx al mov dx 2Fh mov al Mh M 00h 01h FFh hex Value 0 to 255 out dx al see below Not...

Page 67: ...chdog Timer 61 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...

Page 68: ...PICO840 842 Pico ITX Board 62 BIOS Flash Utility This page is intentionally left blank...

Page 69: ...ing system In this appendix you may learn how to do it in just a few steps Please read and follow the instructions below carefully 1 In your USB flash drive create a new folder and name it Axiomtek se...

Page 70: ...o the system That s why you can see only one device is displayed in figure below 6 Select the USB drive containing BIOS ROM file you want to update using the or key Then press Enter to get into Axiomt...

Page 71: ...9 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 t...

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