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Attention 

The  following  factors  resulting  in  product  failure  or  damage  is  not  in  the  scope  of  free 
warranty:   
A. Damages caused by natural disaster ( flood, fire, earthquake, lightning, typhoon, etc. ), or 
any event of force majeure or man-made damage.   
B.  Self  assemble  or  disassemble,  self  repairment  or  sending  products  to  a  maintenance 
station which is not authorized by JEHE.   
C. Problems or damages caused by changing the specification or installing any unauthorized 
extended device arbitrarily by the users.   
D. Problems or damages caused by installing incompatible softwares or setting improperly by 
the users.   
E. Problems or faults that caused by computer virus.   
F.  The  event  that  the  identification  tag  is  tear  up  or  unrecognizable,  the  warranty  card  is 
juggled or warranty card is not in conformity with products.   
G. Install software that offer by user, software troubleshooting or remove password etc.   
H. Other problems and faults caused by abnormal use.   
I. The serial number in the products is damaged or cannot be identified. 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for N21M-MV

Page 1: ...N21M MV...

Page 2: ...HE no one can counterfeit copy extract or translate this manual There is no any form of guarantee express of position and hint in this user manual JEHE and its hired employees will not be responsible...

Page 3: ...ng the specification or installing any unauthorized extended device arbitrarily by the users D Problems or damages caused by installing incompatible softwares or setting improperly by the users E Prob...

Page 4: ...__________________________6 2 2 Motherboard Specifications_______________________________________________________6 2 3 Motherboard Structure __________________________________________________________7...

Page 5: ...ioned in this manual when you want to install any extended device to the motherboard Make sure all date cables connectors and power cord has been correctly plugged in before you turn on the system If...

Page 6: ...ogy the lowest power consumption is only 14W heat treatment easier is not limited to environmental factors usage scenarios richer Memory Support Dual channel DDR3 memory controller Frequency supports...

Page 7: ...ack into the component insulation bag to save Before you install or remove any component make sure the ATX power switch is switched to the off position The safest approach is to unplug the power suppl...

Page 8: ...sure to turn the power supply away When you install or remove the motherboard make sure the power supply plug has been removed or it may cause damage to the components on the motherboard 2 3 1 Mother...

Page 9: ...per Interface Description 2 4 1 Jumpers And I O 2 4 1 1 JPG1 VGA display output jumper Pin1 2open VGA video Pin2 3 closed VGA video the default is Pin1 2 Pin Definitions Pin 1 2 Enable default Pin 2 3...

Page 10: ...5 AD1 6 AD2 7 AD3 8 FRAME 10 CLK 2 4 1 3 TPM_HEADER1 TPM interface which connect a TPM module modules It needs help from TPM chip the motherboard itself without a TPM chip Support TPM security platfo...

Page 11: ...7 LAD3 8 LAD2 9 3 3V 10 LAD1 11 LAD0 12 GND 13 SMB_CLK 14 SMB_DAT 15 3 3VSB 16 SERIRQ 17 GND 18 CLKRUN 19 LPCPD 20 LDRQ 2 4 1 4 COM2 9Pin COM pins can be external to the RS232 serial interface Pin Def...

Page 12: ...Pin Definitions 1 VCC_5V 2 USB 3 USB 4 GND 2 4 1 6 CLR_CMOS CMOS clear the jumper the jumper Pin1 2 is normal the jumper Pin2 3 is clear CMOS The default setting is Pin1 2 Non professional personnel...

Page 13: ...e power button the start the system default Pin Definitions Pin1 2 Enable Pin2 3 Disable default 2 4 1 8 JD1 External LED and buzzer pin Pin1 3 Power LED Pin4 7 external buzzer Pin6 7 internal buzzer...

Page 14: ...the chassis front panel switch button Reset Power LED RJ451 2 LED HDD LED ect Pin Definitions Pin Definitions Pin1 2 Power On Pin3 4 RESET Pin5 6 N A Pin7 8 N A Pin9 10 GLAN2 LED Pin11 12 GLAN1 LED P...

Page 15: ...ted to SSD which support M SATA interface for the system disk memory disk 2 4 1 11 SATA SATA interface SATA1 2 3 4 31 is the CPU Avoton Soc C2550 native turn out SATA5 6 is the ASM1061native turn out...

Page 16: ...15 2 4 1 12 SATA_DOM_PWR1 SATA hard drive power connector Pin Definitions 1 12V 2 GND 3 GND 4 5V 2 4 1 13 FAN 4Pin fan connector...

Page 17: ...nector 2 4 B Rear Panel Connectors No Name Use PS 2 PS 2 mouse connected PS 2 PS 2 keyboard connected USB 2 0 USBconnected COM COMconnected VGA VGA connected GLAN1 GLAN2 1000Mbp snetwork interface GLA...

Page 18: ...Put the goldfinger of memory align the grooves of Memory slot pay attention to the gap of the goldfinger align the projections point of slot Because there have gap of the DDR3 memory goldfinger It can...

Page 19: ...nks per rank 8 Gbit density components 1600MHz 1333MHz support 64bit data bus 8 bit ECC Also supports non ECC memory But take a note it only support the DRAM chips X8 density is 1Gb 2Gb 4Gb 8Gb It sho...

Page 20: ...19 2 2 Supported DDR3 Memory Configurations 2 3 Supported DDR3 DRAM Timings 2 4 Supported Rank Population Configurations...

Page 21: ...the bios setup screens please refer to the following steps Step Description 1 Power on the motherboard 2 Press the Del Esc key on your keyboard when you see the following text prompt Press F2 to enter...

Page 22: ...Key Description Select Screen Select Item Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit K Scroll help area upwards M Scroll help area downward...

Page 23: ...estore Defaults item to set your system to its defaults B The BIOS Setup menus described in this chapter are for reference only and may differ by BIOS version 3 2 1 System Date System Time Use this op...

Page 24: ...for configuring the function of various hardware components Select a submenu item then press Enter to access the related submenu screen 3 3 1 NCT6791D Super IO Configuration This menu show NET6791D SI...

Page 25: ...CT6791D HW Monitor This menu shows the whole system Temperature Fan Voltage information Fan Speed Configuration This option specifies the CPU and System fan settings The Default setting is Smart fan m...

Page 26: ...setting is IO 2F8 IRQ 3 Restore On Power Loss The AC power Restore setting after power lost The default setting is Last State 3 3 2 S5 RTC Wake Settings Wake the system up from S5 by RTC alarm The def...

Page 27: ...ection in the left frame of the screen to go to the sub menu for that item You can display a console redirection by highlighting it using the Arrow keys Console redirection setup options are described...

Page 28: ...abled The setup default is Disabled Option Description Disabled This value prevent you configure Serial Console Redirection Enabled Enable Serial Console Redirection EMS Console Support EMS is an Micr...

Page 29: ...lower speeds Through this item you can select the baud rate you want the serial port to use for console redirection Option Description 115200 Selects serial port Baud rate as 115200 57600 Selects seri...

Page 30: ...above 1MB Option ROM Messages Option Description Force BIOS witch video mode from graphics to text before executing the Option ROM switch back to graphics afterwards Default setting is Force BIOS Kee...

Page 31: ...termines which devices system will boot to Option Do not launch UEFI Legacy Default setting is Do not launch Option Description Do not launch Not perform PXE of ROM UEFI Start UEFI PXE of ROM Please s...

Page 32: ...ROM 3 3 6 Trusted Computing This option specifies TPM The setup default setting is Disabled If you have installed an extend TPM module you can find the detail TPM setting options here TPM State Safet...

Page 33: ...able XHCI USB 3 0 Hand off support Options available Enabled Disabled Default setting is Enabled USB Mass Storage Driver Support Enable Disable USB Mass Storage Driver Support Options available Enable...

Page 34: ...CSetup tab in the BIOS setup screen Enter IntelRCSetup settings screen You can select any item in the left frame of the screen like processor configuration Network configuration in order to access the...

Page 35: ...designate areas in the system memory where an application code can execute and where it cannot thus preventing a worm or a virus from flooding illegal codes to overwhelm the processor or damage the s...

Page 36: ...Network Configuration Intel I354 NIC controller 1 4 Open Close Intel NIC I354 hardware controller 1 4 It can not to control the switch of Intel PHY I347 port Option Enabled Disabled Default setting is...

Page 37: ...he memory frequency automatically which is the default setting DDR3 1333 system memory to run 1333MHz DDR3 1600 System memory to run 1600MHz Memory Channels DDR3 Memory enabled channel Option Auto Sin...

Page 38: ...A3 0 control information Sata controller This item Enables or Disables the built in SATA controllers on the motherboard The default setting is Enabled Sata mode Set the hard mode the options are IDE R...

Page 39: ...s tab from the BIOS setup screen to enter the Event log The Event Logs BIOS Setup screen is shown below Change Smbios Event Log Settings Press Enter for configuration of advanced items View Smbios Eve...

Page 40: ...t log when the event log memory is full The options are Do Nothing and Erase Immediately Log System Boot Event This option toggles the System Boot Event logging to enabled or disabled The options are...

Page 41: ...t Administrator Password Entering this password will allow the user to access and change all settings in the Setup Utility Press Enter to configure the administrator password User Password Entering th...

Page 42: ...les or disables showing the logo during POST The default setting is Enabled If Quiet Boot is Disabled system will show the splash screen during POST 3 7 2 Boot Option Priorities In this item shows all...

Page 43: ...cy boot order menu for Hard Drive If there are more one boot drive in this menu only the Boot Option 1 list out to the system main boot order 2 Same things for the CD ROM Floppy Network drive BBS Prio...

Page 44: ...Defaults Loads the default settings for all BIOS setup parameters Save as User Defaults Save the BIOS settings as a user default settings Restore User Defaults Loads the user default settings that yo...

Page 45: ...ed equipment must be marked collected separately and disposed of properly WEEE Symbol Statement The symbol shown below is on the product or on its packaging which indicates that this product must not...

Page 46: ...6 SHENZHEN JEHE TECHNOLOGY DEVELOPMENT CO LTD ADD 2 F Block A Tsinghua Information Harbor North Section Shenzhen Hi tech Park Nanshan District Shenzhen China http www giadatech com...

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