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BT253

Embedded SBC 4”

User’s Manual

A33350736

Содержание BT253

Страница 1: ...1 BT253 Embedded SBC 4 User s Manual A33350736 ...

Страница 2: ...C Statement on Class B 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 These limits are designed to provide reason able protection against harmful interference when the equipment is operated in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and ...

Страница 3: ...t 16 COM 4 DIO Select 16 Front Panel I O Ports 17 Rear Panel I O Ports 17 USB Ports 18 COM Serial Ports 19 Graphics Interfaces 20 16 24V DC in 21 RJ45 LAN Ports 21 I O Connectors 22 Serial ATA Connector 22 Serial ATA Power Connector 22 Cooling Fan Connector 22 LVDS LCD Panel with Power Connector 23 Mic in Connector 24 Chassis Intrusion Connector 24 Expansion Slots 25 Standby Power LED 25 Battery 2...

Страница 4: ...tatic electrical discharge can damage computer components without causing any signs of physical damage You must take extra care in han dling them to ensure against electrostatic build up 1 To prevent electrostatic build up leave the system board in its anti static bag until you are ready to install it 2 Wear an antistatic wrist strap 3 Do all preparation work on a static free surface 4 Hold the de...

Страница 5: ...mation listed above This may differ in accordance to the sales region or models in which it was sold For more information about the standard package in your region please contact your dealer or sales representative Before Using the System Board Before using the system board prepare basic system components If you are installing the system board in a new system you will need at least the following i...

Страница 6: ...on N2807 Dual Core 1M Cache 1 58GHz 2 16GHz 4 3W Intel Celeron J1900 Quad Core 2M Cache 2GHz 2 41GHz 10W Intel AtomTM E3825 Dual Core 1M Cache 1 33GHz 6W BGA 1170 packaging technology 22nm process technology System Memory 2GB 4GB DDR3L ECC memory down E45 E25 2GB 4GB DDR3L memory down J00 N07 Supports DDR3L 1333MHz E45 J00 N07 Supports DDR3L 1066MHz E25 Supports single channel memory interface Exp...

Страница 7: ...ay outputs Serial ATA Serial ATA is a storage interface that is compliant with SATA 1 0a specification With speed of up to 3Gb s SATA 2 0 it improves hard drive performance faster than the standard parallel ATA whose data transfer rate is 100MB s Gigabit LAN Two Intel I210 Gigabit LAN controllers support up to 1Gbps data transmission Audio The Realtek ALC888 audio codec provides 5 1 channel High D...

Страница 8: ...ons and operating system This is because the system is capable of storing all programs and data files during the entire operating session into RAM Random Access Memory when it powers off The operating ses sion will resume exactly where you left off the next time you power on the system Important If you are using the Wake On USB Keyboard Mouse function for 2 USB ports the 5V_standby power source of...

Страница 9: ...e mSATA MicroSD optional 1 System Fan 1 USB 0 Power Select JP5 1 2 5 6 JP23 1 1 1 JP3 JP4 1 2 10 9 COM 6 1 10 9 COM 5 1 1 USB 1 2 Power Select JP6 USB 5 7 Power Select JP7 1 2 10 9 USB 5 JP25 USB 2 0 USB 2 0 JP17 JP20 COM 4 DIO Select JP22 JP21 Digital I O 0 3 Output State Digital I O Power Select Panel Power Select JP3 JP4 JP23 Backlight Enable Power Select Auto Power on Select JP25 Dimming Mode ...

Страница 10: ...x1 PCIe x1 USB 1x USB 3 0 USB 3x USB 2 0 Mini PCIe LPC PCIe x1 USB 2 0 HSIC SATA 2 0 LPC Bus TPM Opt HD Audio eDP to LVDS DDI LVDS USB4604 USB HSIC USB 2x USB 2 0 USB 2 0 SATA 1x VGA DDI DVI I Opt HDMI SATA mSATA eMMC eMMC Opt Mini PCIe PCIe x1 USB 2 0 HSIC 0 0 6 1 14 9 28 4 70 4 106 41 142 4 160 165 5 160 147 4 108 4 21 81 38 31 51 4 59 9 68 4 76 9 90 4 144 9 5 90 4 144 9 21 8 9 65 97 107 115 11 ...

Страница 11: ... procedures at an ESD workstation only If such a station is not available you can provide some ESD protection by wear ing an antistatic wrist strap and attaching it to a metal part of the system chassis If a wrist strap is unavailable establish and maintain contact with the system chassis throughout any procedures requiring ESD protection Important When the Standby Power LED lights red it indicate...

Страница 12: ...nd set JP24 back to its default set ting pins 1 and 2 On 3 Now plug the power cord and power on the system 2 3 On Clear CMOS Data 1 2 On Normal default 1 3 2 1 3 2 Auto Power on Select 1 2 On Power on via power button default 2 3 On Power on via AC power JP25 is used to select the method of powering on the system If you want the system to power on whenever AC power comes in set JP25 pins 2 and 3 t...

Страница 13: ...ply must support 1 5A For 3 or more USB ports the 5V_standby power source of your power supply must support 2A USB 0 JP5 USB 5 7 JP7 1 3 2 1 3 2 3 USB 1 2 JP6 1 3 2 1 3 2 Panel Power Select 3 JP23 is used to select the power supplied with the LCD panel Important Before powering on the system make sure that the power settings of JP23 match the LCD panel s specification Selecting the incorrect volta...

Страница 14: ...tch the power specification of backlight control Selecting the incorrect voltage will seriously damage the backlight JP3 1 3 2 1 3 2 1 2 On 3 3V default 2 3 On 5V Dimming Mode Select 3 JP4 1 2 On Voltage Mode 2 3 On PWM Mode default 1 3 2 1 3 2 JP4 allows you to select the mode for the lightness control of the LVDS panel Important You need to refer to your panel s user guide to determine the type ...

Страница 15: ...n the power level of DIO Digital I O selected on JP17 JP20 DIO pin 0 3 and JP18 DIO pin 4 7 are used to select the state of DIO output pull high or pull low When selecting pull high the power selection will be the same as JP17 s setting 3 3 1 3 2 1 3 2 1 2 On 5V_standby 2 3 On 5V default JP17 JP20 DIO 0 3 JP18 DIO 4 7 1 3 2 1 3 2 1 2 On GND default 2 3 On 5V or 5V_standby ...

Страница 16: ... select between RS232 422 485 COM 4 or isolated 8 bit DIO at the rear panel Note You cannot use COM 4 and DIO at the same time Please set up JP21 and JP22 to gether 3 JP22 JP21 2 3 5 6 8 9 11 12 On DIO 7 9 1 3 10 12 4 6 LCD Inverter Power Select 3 JP2 1 3 2 1 3 2 2 3 On 5V 1 2 On 12V default JP2 is used to select the power level of the LCD inverter power connector ...

Страница 17: ...serial ports supports RS232 422 485 COM 4 supports an optional 8 bit DIO 1 USB 3 0 port 1 HDMI port USB 3 0 COM 1 COM 2 COM 4 HDMI Reset Button Power Button Rear Panel I O Ports The rear panel I O ports consist of the following 1 16 24V DC in jack 1 DB 9 serial port supports RS232 422 485 1 VGA port 2 RJ45 LAN ports 4 USB 2 0 ports COM 3 VGA DC in LAN 1 LAN 2 USB 2 0 ...

Страница 18: ...u of the BIOS Refer to chapter 3 for more information 3 USB 2 0 USB 1 1 2 10 9 VCC Data Data GND Key N C Important If you are using the Wake On USB Keyboard Mouse function for 2 USB ports the 5V_standby power source of your power supply must support 1 5A For 3 or more USB ports the 5V_standby power source of your power supply must support 2A Driver Installation You may need to install the proper d...

Страница 19: ... Table 1 OS Selection Model Name BT253 USB 3 0 Native USB 0 Native USB 1 Native USB 2 Native share with USB 3 0 port USB 3 Native USB 4 HSIC port 0 USB 5 HSIC port 1 USB 6 HSIC port 2 USB 7 HSIC port 3 Table 2 The Type of USB Ports COM Serial Ports The serial ports are asynchronous communication ports with 16C550A compatible UARTs that can be used with modems serial printers remote display termina...

Страница 20: ...n DIO Function RS232 RS422 RS485 1 DCD RX DATA DIN0A 2 RX RX DATA DIN0B 3 TX TX NC DIN1A 4 DTR TX NC DIN1B 5 GND GND GND GND 6 DSR NC NC DOUT0A 7 RTS NC NC DOUT0B 8 CTS NC NC DOUT1A 9 RI NC NC DOUT1B Graphics Interfaces VGA Port The VGA port is used for connecting a VGA monitor Connect the monitor s 15 pin D shell cable connector to the VGA port After you plug the monitor s cable connector into th...

Страница 21: ...hin 16 24V DC output voltage Using a voltage out of the range 16 24V may fail to boot the system or cause damage to the system board DC in RJ45 LAN Ports LAN 1 LAN 2 Features 2 Intel I210 PCI Express Gigabit Ethernet controllers The LAN ports allow the system board to connect to a local area network by means of a net work hub Driver Installation Install the LAN drivers Refer to chapter 4 for more ...

Страница 22: ...wer cable to the SATA power connector and the other end to your storage device BIOS Setting Configure the Serial ATA drives in the Advanced menu SATA Configuration submenu of the BIOS Refer to chapter 3 for more information Features 7 RXN GND TXP TXN GND 1 RXP GND SATA 1 SATA Power SATA 2 0 3Gb s 12V 5V Ground 1 Ground 4 Cooling Fan Connector The fan connector is used to connect the cooling fan Th...

Страница 23: ...he BIOS Refer to chapter 3 for more information Pins Function Pins Function 1 GND 2 GND 3 LVDSA_DATA3P 4 LVDSB_DATA3P 5 LVDSA_DATA3N 6 LVDSB_DATA3N 7 GND 8 GND 9 LVDSA_DATA2P 10 LVDSB_DATA2P 11 LVDSA_DATA2N 12 LVDSB_DATA2N 13 GND 14 GND 15 LVDSA_DATA1P 16 LVDSB_DATA1P 17 LVDSA_DATA1N 18 LVDSB_DATA1N 19 GND 20 GND 21 LVDSA_DATA0P 22 LVDSB_DATA0P 23 LVDSA_DATA0N 24 LVDSB_DATA0N 25 GND 26 GND 27 LVDS...

Страница 24: ...om the chassis to this connector When the system s power is on and a chassis intrusion occurred an alarm will sound When the system s power is off and a chassis intrusion occurred the alarm will sound only when the system restarts 1 2 Ground Signal 3 Chassis Intrusion Mic in Connector 3 The mic in connector is used to connect an external microphone Mic in 1 4 Ground MIC2 RI MIC2 LI MIC2 JD ...

Страница 25: ...the mini PCI Express slot microSD Socket The microSD socket allows you to install a microSD card for the expansion of available memory Mini PCIe for PCIe USB and 3G signals 3 SIM slot Mini PCIe for mSATA Mini PCIe for USB PCIe and LPC signals microSD socket optional Standby Power LED This LED will blink when the system is in the standby mode It indicates that there is power on the system board Pow...

Страница 26: ... auxiliary source of power when the main power is shut off Safety Measures Danger of explosion if battery incorrectly replaced Replace only with the same or equivalent type recommend by the manufacturer Dispose of used batteries according to local ordinance Battery Battery Ground Battery 1 Connect to the battery connector Battery 3 ...

Страница 27: ...ned according to the Load Optimal Def aults settings which are stored in the BIOS or are automatically detected and configured without requiring any actions There are a f ew settings that you may need to change depending on your system configuration Entering the BIOS Setup Utility The BIOS Setup Utilit y can only be oper ated from the k eyboard and all commands are k ey board commands The commands...

Страница 28: ...tem Enter Select Change Opt F1 General Help F2 Previous Values F4 Save Reset ESC Exit BIOS Information BIOS Vendor Project Version Build Date and Time CPU Configuration Microcode Patch BayTrail SoC System Date System Time Access Level American Megatrends BT253 0 11 x64 11 26 2014 10 05 50 902 Do Stepping Thu 08 01 2015 16 19 21 Administraor Advanced Security Boot Main Important Setting incorrect f...

Страница 29: ...alues F4 Save Reset ESC Exit NCT6106D Super IO Configuration This section is used to configure the par ameters of the system super IO chip Select AC power state when power is re applied after a power failure Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc NCT6106D Super IO Configuration Super IO Chip Restore AC Power Loss Watc...

Страница 30: ...1 General Help F2 Previous Values F4 Save Exit ESC Exit Enable or Disable Serial Port COM Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Serial Port 3 Configuration Serial Port Device Settings Change Settings COM 3 Driver Mode Advanced Enabled IO 3E8h IRQ 10 Auto RS232 driver Select Screen Select Item Enter Select Change Opt ...

Страница 31: ... Values F4 Save Exit ESC Exit Enable or Disable Serial Port COM Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Serial Port 6 Configuration Serial Port Device Settings Change Settings Advanced Enabled IO 2E0h IRQ 11 Auto Select Screen Select Item Enter Select Change Opt F1 General Help F2 Previous Values F4 Save Exit ESC Exit ...

Страница 32: ... enable in each processor package Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Advanced Active Processor Cores Number of cores to enable in each processor package Intel Virtualization Technology When this field is set to Enabled the VMM can utilize the additional hardw are capabili ties provided by Vanderpool Technology EIS...

Страница 33: ...ct Screen Select Item Enter Select Change Opt F1 General Help F2 Previous Values F4 Save Reset ESC Exit Network Stack Configuration This section is used to enable or disable network stack set tings Enable Disable UEFI network stack Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Network Stack Advanced Disabled Enter F1 F2 F4 E...

Страница 34: ...nc Compatibility Support Module Configuration CSM16 Module Version Boot option filter Option ROM execution order Launch PCI E NIC PXE Storage Other PCI devices Advanced 07 71 UEFI and Legacy Do not launch Legacy only UEFI only Select Screen Select Item Enter Select Change Opt F1 General Help F2 Previous Values F4 Save Reset ESC Exit This option controls Legacy UEFI ROMs priority Boot option filter...

Страница 35: ...s a workaround f or OSes without the XHCI hand of f support The change of XHCI ownership should be claimed by the EHCI driv er EHCI Hand off This is a workaround f or OSes without the EHCI hand of f support The change of EHCI ownership should be claimed by the EHCI driv er USB Mass Storage Driver Support Enable or disable the support of the USB Mass Stor age Driver Important When installing Window...

Страница 36: ...e on LAN Link Speed and VLAN Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc PORT CONFIGURATION MENU NIC Configuration Blink LEDs PORT CONFIGURATION INFORMATION UEFI Driver Adapter PBA Chip Type PCI Device ID Bus Device Function Link Status MAC Address Virtual MAC Address Advanced 0 Intel R PRO 1000 5 5 19 001300 000 Intel i21...

Страница 37: ...gure the par ameters of Gigabit Ethernet device Configure Boot Protocol Wake on LAN Link Speed and VLAN Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc PORT CONFIGURATION MENU NIC Configuration Blink LEDs PORT CONFIGURATION INFORMATION UEFI Driver Adapter PBA Chip Type PCI Device ID Bus Device Function Link Status MAC Address ...

Страница 38: ...Values F4 Save Reset ESC Exit NIC Configuration This field is used to configure the network device Specifies the port speed used for the selected boot protocol Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Link Speed Wake on LAN Advanced Auto Negotiated Disabled Select Screen Select Item Enter Select Change Opt F1 General He...

Страница 39: ...l Settings Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Integrated Graphics Primary Display IGD LCD Control Chipset Select Screen Select Item Enter Select Change Opt F1 General Help F2 Previous Values F4 Save Reset ESC Exit Enabled IGD Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright ...

Страница 40: ...t Bus Type Data Type Panel Type Chipset Select Screen Select Item Enter Select Change Opt F1 General Help F2 Previous Values F4 Save Reset ESC Exit Enable Single LVDS 18 Bits 1024 768 Flat panel options Panel Type 640x480 800x600 1024x768 1280x1024 1366x768 1920x1200 User Define Memory Configuration Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 Ame...

Страница 41: ... Values F4 Save Reset ESC Exit South Bridge This field is used to configure the par ameters of the South Bridge USB Configuration PCI Express Configuration USB Configuration Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc USB Configuration XHCI Mode USB 2 0 EHCI Support Chipset Select Screen Select Item Enter Select Change Opt...

Страница 42: ...he options are Auto Gen1 or Gen2 Security Administrator Password Set the administrator password User Password Set the user password Set Administrator Password Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Password Description If ONLY the Administrator s password is set then this only limits access to Setup and is only asked ...

Страница 43: ...oot Option 1 Select the system boot order Aptio Setup Utility Copyright C 2013 American Megatrends Inc Save Exit Reset the system after saving the changes Aptio Setup Utility Copyright C 2013 American Megatrends Inc Version 2 16 1242 Copyright C 2013 American Megatrends Inc Save Changes and Reset Discard Changes and Reset Restore Defaults Boot Override UEFI Built in EFI Shell Chipset Advanced Main...

Страница 44: ...dy been integr ated into this system board Due to the safety concerns the BIOS SPI ROM chip cannot be remo ved from this system board and used on another system board of the same model 2 The BIOS SPI ROM on this system board must be the original equipment from the f actory and cannot be used to replace one which has been utilized on other system boards 3 If you do not f ollow the methods abo ve th...

Страница 45: ... to enhance the perf ormance of the system board Insert the CD into a CD ROM driv e The autorun screen Mainboard Utilit y CD will appear If after inserting the CD Autorun did not automatically start which is the Mainboard Utilit y CD screen did not appear please go directly to the root directory of the CD and double click Setup Auto Run Page For Windows 8 1 Auto Run Page For Windows 7 ...

Страница 46: ...o install the utilit y click Intel Chipset Softw are Installation Utility on the main menu 1 Setup is ready to install the utility Click Next 2 Read the license agreement then click Yes 4 After all setup oper ations are done click Next 3 Go through the readme docu ment for more installation tips then click Next 5 Click Yes I want to restart this computer now then click Finish Restarting the system...

Страница 47: ...n blank f or 1 to 2 minutes while WinS AT is running bef ore the Windows 7 Windows 8 desktop appears The blank screen period is the time Windows is testing the graphics performance We recommend that y ou skip this process by disabling this f unction then click Next 2 Read the license agreement then click Yes 4 Setup is now installing the driver Click Next to continue 3 Go through the readme docu m...

Страница 48: ...tel L AN Drivers on the main menu 1 Setup is ready to install the driver Click Next 2 Click I accept the terms in the license agreement then click Next 3 Select the program featuers you want installed then click Next 4 Click Install to begin the installation 5 After completing installa tion click Finish ...

Страница 49: ...Execution Engine Driver To install the driv er click Intel Trusted Execution Engine Driver on the main menu 1 Tick I accept the terms in the License Agreement and then click Next 2 The step shows the components which will be installed Then Click Next 1 Click Yes to install the update 2 The update is installed now 3 Click Restart Now to restart your computer when the installation is complete ...

Страница 50: ...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 3 Click Yes I want to restart m y computer now then click Finish Restarting the system will allow the new software installation to tak e effect Realtek Audio Drivers To install the driv er click Realtek Audio Drivers on the main menu ...

Страница 51: ...k HW Utilit y on the main menu 2 Click I accept the terms in the license agreement and then click Next 1 Setup is ready to install the HW Utility drifer Click Next Note If you are using Windows 7 you need to access the oper ating system as an administrator to be able to install the utilit y 3 Click Install to begin the installation 4 After completing installation click Finish ...

Страница 52: ...www df com 52 Chapter 4 Supported Softw are Chapter 4 The HW Utility icon will appear on the desktop Double click the icon to open the utilit y Information HW Health HW Health Set WatchDog ...

Страница 53: ...tion To install the driv er click Infineon TPM driv er and tool option on the main menu 1 The setup program is preparing to install the driv er 2 The setup program is now ready to install the utilit y Click Next 3 Click I accept the terms in the license agreement and then click Next DIO ...

Страница 54: ...ormation and then click Next 5 Select a setup t ype and then click Next 6 Click Install 7 TPM requires installing the Micro soft Visual C package prior to installing the utility Click Install 8 The setup program is currently installing the Microsoft Visual C package 9 Click Finish ...

Страница 55: ...apter 4 10 Click Yes to restart y our system Intel USB 3 0 Drivers For Windows 7 Only To install the driv er click Intel USB 3 0 Driv er on the main menu 2 Read the license agreement then click Yes 1 Setup is ready to install the driv er Click Next ...

Страница 56: ...lling the driver After installation has com pleted click Next 5 After completing installation click Finish Adobe Acrobat Reader 9 3 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 2 Click Install to begin installation 3 Click Finish to exit installation ...

Страница 57: ...ns reads from this register reflect the v alue that is in the flip flop contolling the output selection not the actual pin v alue BIT O 7 O 6 O 5 O 4 O 3 O 2 O 1 O 0 DEFAULT 1 1 1 1 1 1 1 1 Register 0 Input P ort Register Register 1 Onput P ort Register The Polarity Inversion Register register 2 allows polarit y inversion of the pins defined as inputs by the Configur ation Register If a bit in thi...

Страница 58: ...ata if Mode 1 SetBit Data TempPinNum Input else ClrBit Data TempPinNum Output I2C_WriteByte SLAVE_ADDR CONFIG_PORT Data return 1 GPIO Output Process def ne SLAVE_ADDR def ne INPUT_PORT def ne OUTPUT_PORT def ne INVERSION_PORT def ne COMFIG_PORT GpioOut int PinNum int Level BYTE Data BYTE TempPinNum PinNum 8 Pin0 7 I2C_ReadByte SLAVE_ADDR OUTPUT_PORT Data if Level 0 ClrBit Data TempPinNum else SetB...

Страница 59: ... WD T Control WD T timer MOV DX 4EH MOV AL 07H Ready to Program Logical Device OUT DX AL MOV DX 4FH MOV AL 08H Select Logical Device 8 OUT DX AL MOV DX 4EH MOV AL F1H Select watchdog timer register OUT DX AL MOV DX 4FH MOV AL 10H Set watchdog timer value OUT DX AL MOV DX 4EH MOV AL F0H Select watchdog Control Register OUT DX AL MOV DX 4FH MOV AL 02H Set Watchdog Control Value OUT DX AL 1 Exit exte...

Страница 60: ...hich set ting is correct either turn of f the system and change the jumper or enter Setup and change the VIDEO selection FLOPPY DISK S fail 80 Unable to reset floppy subsystem FLOPPY DISK S fail 40 Floppy type mismatch Hard Disk s fail 80 HDD reset failed Hard Disk s fail 40 HDD controller diagnostics f ailed Hard Disk s fail 20 HDD initialization error Hard Disk s fail 10 Unable to recalibrate fi...

Страница 61: ...he video input cable is properly at tached to the monitor and the system s display adapter 4 Adjust the brightness of the displa y by turning the monitor s brightness control knob The picture seems to be constantly moving 1 The monitor has lost its v ertical sync Adjust the monitor s vertical sync 2 Move away any objects such as another monitor or f an that may be creating a magnetic field around ...

Страница 62: ...s by at taching it to a serial port that is working and configured correctly If the serial device does not work either the cable or the serial device has a problem If the serial device works the problem ma y be due to the onboard I O or the address set ting 4 Make sure the COM set tings and I O address are configured correctly Keyboard Nothing happens when a key on the keyboard was pressed 1 Make ...

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