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Advantech user manual AIMB-250 Series 2.4.17 LCD Inverter Connector JBKL1

Models: AIMB-250

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AIMB-250 Series

2.4.17LCD Inverter Connector (JBKL1)

Signal

+12V

GND

ENBKL

+5V

2.4.17.1 Signal Description – LCD Inverter Connector (JBKL1) Note:

For inverters with adjustable Backlight function, it is possible to control the LCD brightness through the VR signal controlled by JMISC. Please see the JMISC section for detailed circuitry information.

2.4.17.1 Signal Description – LCD Inverter Connector (JBKL1)

Signal	Signal Description
VR	Vadj = 0.75V ~ 4.25V (Recommended: 4.7KΩ, >1/16W)
ENBKL	LCD backlight ON/OFF control signal

48 AIMB-250 Series User’s Manual

Page 48

Image 48

Advantech AIMB-250 Series 2.4.17 LCD Inverter Connector JBKL1, Signal Description - LCD Inverter Connector JBKL1

Contents

Mini-ITX AIMB-250 Series 1st Ed - JanuaryUser’s Manual Intel Pentium M / Celeron M Mini ITX MotherboardFCC Statement Copyright NoticeTrademark Acknowledgement AIMB-250 SeriesAdvantech Customer Services DisclaimerLife Support Policy A Message to the CustomerTechnical Support Advantech CorpAIMB-250 Series HeadquartersProduct Warranty User’s ManualContents Hardware ConfigurationGetting Started AIMB-250 Series3 BIOS Setup User’s ManualDrivers Installation Appendix A AWARD BIOS POST MessagesMechanical Drawing AIMB-250 SeriesKeyboard error or no keyboard present BIOS ROM checksum error - System haltedUser’s Manual Keyboard is locked out - Unlock the key1.1 Safety Precautions 1. Getting Started1.2 Packing List AIMB-250 Series1.3 Document Amendment History RevisionDate Comment1.4 Manual Objectives AIMB-250 Series1.5 System Specifications User’s ManualSystem AIMB-250F-00B1AIMB-250 Series DisplayAIMB-250 Built-in Touch ScreenOperation Temperature User’s ManualMechanical & Environmental AIMB-2501.6 Architecture Overview 1.6.1 Block DiagramAIMB-250 Series User’s Manual 1.6.2 Intel 855GME and ICH4 B. If driven on Pipe B, then the LVDS port must be disabled AIMB-250 Series1.6.3 Intel 855GME and ICH4 User’s ManualIntegrated LAN controller 1.6.4 DRAM Interface Intel 855GME 1.6.5 DRAM Interface Intel 855GME1.6.6 PCI Interface AIMB-250 Series1.6.7 IDE Interface Bus Master Capability and Synchronous DMA Mode 1.6.8 USB1.6.9 VIA VT1616 Audio Codec User’s ManualAIMB-250 Series 1.6.10 Chrontel CH7009A TV/DVI Transmitter User’s Manual 1.6.11 Ethernet 1.6.11.1 Realtek RTL8110S Gigabit Ethernet ControllerAIMB-250 Series 1.6.12 Winbond W83627HF 1.6.13 Compact Flash Interface2. Hardware Configuration User’s Manual2.1 Product Overview AIMB-250 Series26 AIMB-250 Series User’s Manual 2.2 Installation Procedure 2.2.1 Processor Installation 2.2.1.1 Installing Pentium M CPUUser’s Manual Unlock2.2.1.2 Installing the Fan and Heat Sink 2.2.1.3 Removing CPUAIMB-250 Series User’s Manual 2.2.2 Main Memory DIMM1AIMB-250 Series Locate the DIMM slot on the board2.3 Jumper and Connector List JumpersLabel FunctionConnectors ATXPWR1CFAN1 DIMM1KBMS1 MPCI1PCI1 Connectors2.4 Setting Jumpers & Connectors 2.4.2 COM1 Pin 9 Signal Select JP1 +5V Ring +12V2.4.1 Clear CMOS JBAT1 Protect Clear CMOS DefaultUser’s Manual 2.4.3 COM1 RS-232/422/485 Select JP2, JP3 JP2JP3 RS-232* RS-232RS-422 RS-422 RS-485 RS-485AIMB-250 Series 2.4.4 4/5/8-wire Touch Screen Select SW1, optional 2.4.5 ATX Power Connector ATXPWR1Default SignalUser’s Manual 2.4.6 CPU Fan Connector CFAN1 2.4.6.1 Signal Description - CPU Fan Connector CFAN1Signal SignalAIMB-250 Series 2.4.7 Parallel Port Connector & VGA Connector CN1 2.4.7.1 Signal Description - VGA Connector CN1COMVGA Signal2.4.8 Serial Port 1 Connector in RS-232 Mode CN1 SignalSignal Description User’s ManualAIMB-250 Series 2.4.9 Serial Port 1 Connector in RS-422 Mode CN1 SignalSignal Signal2.4.10 Serial Port 1 Connector in RS-485 Mode CN1 User’s ManualAIMB-250 Series 2.4.11 Audio Connector CN2 Audio-In 2.4.12 RJ-45 Ethernet / USB 0 & 1, 4 & 5 Connectors CN3, CN42.4.13 4/5/8-Wire Touch Screen Connector CN5, optional Audio-Out MicrophoneUser’s Manual 2.4.14 Floppy Connector FLP1 SignalSignal AIMB-250 User’s ManualAIMB-250 Series 2.4.14.1 Signal Description - Floppy Connector FLP SignalSignal Description 44 AIMB-250 Series User’s ManualUser’s Manual 2.4.15 Primary IDE Connector IDE1 SignalSignal AIMB-250 User’s ManualAIMB-250 Series 2.4.16 Secondary IDE Connector IDE2 SignalSignal 46 AIMB-250 Series User’s ManualSignal Signal DescriptionUser’s Manual AIMB-250 User’s ManualAIMB-250 Series 2.4.17 LCD Inverter Connector JBKL1 2.4.17.1 Signal Description - LCD Inverter Connector JBKL1User’s Manual 2.4.18 CD-ROM Audio Input Connector JCD1 2.4.18.1 Signal Description - CD-ROM Audio Input Connector JCD12.4.19 Serial Port 2 Connector JCOM1 SignalAIMB-250 Series 2.4.20 Serial Port 3/4 Connector JCOM2, JCOM3 JCOM2 JCOM3Signal Signal2.4.21 Digital Input / Output Connector JDIO1 2.4.21.1 Signal Description - Digital Input / Output Connector JDIO1Signal SignalAIMB-250 Series 2.4.22 Front Panel Connector JFP1 2.4.22.1 Signal Description - Front Panel Connecter JFP1Signal SignalUser’s Manual 2.4.23 IrDA Connector JIR1 2.4.23.1 Signal Description - IrDA Connecter JIR1Signal SignalAIMB-250 Series 2.4.24 LVDS Connector JLVDS1 2.4.24.1 Signal Description - LVDS Connector JLVDS1Signal SignalUser’s Manual 2.4.25 Miscellaneous Setting Connector JMISC1 2.4.25.1 Signal Description - Miscellaneous Setting Connecter JMISC1Signal SignalAIMB-250 Series 2.4.26 TMDS DVI Connector JTMDS1 2.4.26.1 Signal Description - TMDS Connecter JTMDS1Signal SignalUser’s Manual 2.4.27 TV Out Connector JTV1 2.4.27.1 Signal Description - TV Out Connecter JTV1Signal SignalAIMB-250 Series 2.4.28 USB Connector 2 & 3 JUSB1 2.4.29 USB Connector 4 & 5 JUSB22.4.29.1 Signal Description - USB Connecter 2, 3, 4 & 5 JUSB1, JUSB2 SignalUser’s Manual 2.4.30 PS/2 Keyboard & Mouse Connector KBMS1 Mouse 2.4.31 System Fan Connector 1 & 2 SFAN1, SFAN22.4.31.1 Signal Description - System Fan Connector SFAN1, SFAN2 Keyboard3 BIOS Setup AIMB-250 Series60 AIMB-250 Series User’s Manual 3.1 Starting Setup Press DEL to enter SETUPPress F1 to Continue, DEL to enter SETUP User’s Manual3.2 Using Setup Navigating Through The Menu BarAIMB-250 Series Note Some of the navigation keys differ from one screen to another3.4 In Case of Problems 3.3 Getting HelpUser’s Manual To Display a Sub Menu 3.5 Main Menu AIMB-250 SeriesUser’s Manual 3.5.1 Standard CMOS Features 3.5.1.1 Main Menu SelectionAll, but Diskette All, but Disk/Key3.5.1.2 IDE Adapter Setup AIMB-250 SeriesOptions DescriptionUser’s Manual 3.5.2 Advanced BIOS Features 3.5.2.1 CPU Feature3.5.2.4 Quick Power On Self Test 3.5.2.2 Virus WarningAIMB-250 Series 3.5.2.5 First/Second/Third/Other Boot Device 3.5.2.8 Boot Up NumLock Status Select power on state for NumLock3.5.2.10 Typematic Rate Setting 3.5.2.6 Swap Floppy Drive3.5.2.12 APIC Mode 3.5.2.13 MPS Version Control For OS3.5.2.14 OS Select for DRAM 64MB 3.5.2.15 Report No FDD For WIN95AIMB-250 Series 3.5.3 Advanced Chipset Features 3.5.3.3 Active to Precharge Delay3.5.3.1 DRAM Timing Selectable 3.5.3.2 CAS Latency TimeUser’s Manual 3.5.3.4 DRAM RAS# to CAS# Delay 3.5.3.6 DRAM Data Integrity Mode3.5.3.8 System BIOS Cacheable 3.5.3.9 Video BIOS Cacheable3.5.3.11 Delayed Transaction 3.5.3.12 Delay Prior to ThermalAIMB-250 Series 3.5.3.10 Memory Hole At 15M-16M 3.5.3.13 AGP Aperture Size MBUser’s Manual 3.5.4 Integrated Peripherals 3.5.4.1 OnChip IDE DeviceUse this menu to specify your settings for integrated peripherals AIMB-250 User’s Manual3.5.4.2 Onboard Device AIMB-250 SeriesOptions DescriptionUser’s Manual 3.5.4.3 Super IO Device AIMB-250 User’s Manual3.5.4.4 Watch Dog Timer This option will determine watch dog timerThe choices Disabled, 10, 20, 30, 40 Sec. 1, 2, 4 Min AIMB-250 SeriesUser’s Manual 3.5.5 Power Management Setup 3.5.5.3 Power Management3.5.5.1 ACPI Function 3.5.5.2 ACPI Suspend Type3.5.5.10 Power On By Ring 3.5.5.11 Resume By AlarmAIMB-250 Series 3.5.5.7 MODEM Use IRQ 3.5.5.8 Soft-Off by PWR-BTTNUser’s Manual 3.5.6 PnP / PCI Configuration 3.5.6.1 Reset Configuration Data3.5.6.2 Resources Controlled By 3.5.6.3 PCI / VGA Palette SnoopAIMB-250 Series 3.5.7 PC Health Status 3.5.7.1 Case Open WarningThis section shows the status of your CPU, Fan & System 80 AIMB-250 Series User’s ManualUser’s Manual 3.5.8 Frequency / Voltage Control 3.5.8.1 Auto Detect PCI Clk3.5.8.2 Spread Spectrum 3.5.8.3 CPU Host / 3V66 / PCI ClockAIMB-250 Series 3.5.9 Load Fail-Safe Defaults 3.5.10 Load Optimized DefaultsUser’s Manual 3.5.11 Set Supervisor / User Password AIMB-250 Series PASSWORD DISABLED 3.5.12 Save & Exit SetupUser’s Manual 3.5.13 Exit Without Save AIMB-250 User’s Manual4 Drivers Installation AIMB-250 Series86 AIMB-250 Series User’s Manual 4.1 Install Driver StepUser’s Manual Step 2. Click AIMB-250 5 Mechanical Drawing AIMB-250 Series88 AIMB-250 Series User’s Manual User’s Manual Unit mmAppendix A AWARD BIOS POST Messages AIMB-250 Series90 AIMB-250 Series User’s Manual Error Messages 1. CMOS BATTERY HAS FAILED2. CMOS CHECKSUM ERROR 3. DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTERAIMB-250 Series 5. DISPLAY SWITCH IS SET INCORRECTLY 6. DISPLAY TYPE HAS CHANGED SINCE LAST BOOT7. EISA Configuration Checksum Error PLEASE RUN EISA CONFIGURATION UTILITYUser’s Manual 12. Invalid EISA Configuration 13. KEYBOARD ERROR OR NO KEYBOARD PRESENT14. Memory Address Error at 15. Memory parity Error atAIMB-250 Series 20. PRESS A KEY TO REBOOT 21. PRESS F1 TO DISABLE NMI, F2 TO REBOOT22. RAM PARITY ERROR - CHECKING FOR SEGMENT 26. SYSTEM HALTED, CTRL-ALT-DEL TO REBOOT28. FLOPPY DISKS fail 80 → Unable to reset floppy subsystem → HDD reset failed31. Hard Disks fail 40 → HDD controller diagnostics failed 32. Hard Disks fail 20 → HDD initialization errorAIMB-250 Series 40. POST Codes 40.1Normal POST CodeCode hex NameUser’s Manual AIMB-250 User’s ManualCode hex NameAIMB-250 Series 98 AIMB-250 Series User’s ManualCode hex NameUser’s Manual AIMB-250 User’s ManualCode hex NameAIMB-250 Series 100 AIMB-250 Series User’s ManualCode hex NameUser’s Manual AIMB-250 User’s Manual101Code hex NameAIMB-250 Series 40.2Quick POST Codes 102 AIMB-250 Series User’s ManualCode hex NameUser’s Manual AIMB-250 User’s Manual103Code hex NameAIMB-250 Series 40.3S4 POST Codes 104 AIMB-250 Series User’s ManualCode hex Name40.4BootBlock POST Codes User’s ManualCode hex Name