Digital Input / Output Connector JDIO1, Smbclk

				User’s Manual
2.4.21 Digital Input / Output Connector (JDIO1)

	Signal	PIN	PIN	Signal
	DIO0	1	2	DIO10

	DIO1	3	4	DIO11

	DIO2	5	6	DIO12

	DIO3	7	8	DIO13

	DIO4	9	10	DIO14

	DIO5	11	12	DIO15

	DIO6	13	14	DIO16

	DIO7	15	16	DIO17

	SMB_CLK_S	17	18	SMB_DATA_S

	GND	19	20	+5V

2.4.21.1 Signal Description – Digital Input / Output Connector (JDIO1)

Signal	Signal Description
DI [0:17]	Digital Input/Output Data Bit 0 to Bit 17
SMB_CLK	Data input for I2C input, 5V tolerant
SMB_DATA	Data input for I2C serial input, 5V tolerant

AIMB-250 User’s Manual 51

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Image 51

Advantech AIMB-250 user manual Signal Description Digital Input / Output Connector JDIO1, Smbclk, Smbdata

Contents

1st Ed January Mini-ITX AIMB-250 Series AIMB-250 Series FCC StatementCopyright Notice Trademark Acknowledgement User’s Manual DisclaimerLife Support Policy Message to the Customer Advantech Corp Technical Support Product Warranty Contents Bios Setup Offending Address not Found Keyboard Error or no Keyboard PresentMemory Size has Changed Since Last Boot System HALTED, CTRL-ALT-DEL to Reboot Hard Disks fail → Unable to recalibrate fixed disk Packing List Safety Precautions Document Amendment History Revision Date CommentJan Initial release Manual Objectives System System Specifications Display Mechanical & Environmental Architecture Overview Block Diagram User’s Manual Intel 855GME and ICH4 AIMB-250 Series ECC PCI Interface Dram Interface Intel 855GME VIA VT1616 Audio Codec 8 USB AIMB-250 Series Chrontel CH7009A TV/DVI Transmitter Page Compact Flash Interface AIMB-250 Series Winbond W83627HF Hardware Configuration Product Overview Processor Installation Installing Pentium M CPU Installation Procedure Removing CPU Installing the Fan and Heat Sink DIMM1 User’s Manual Main Memory AIMB-250 Series Jumper and Connector List Label FunctionJP2, JP3 Connectors KBMS1 Setting Jumpers & Connectors 2 COM1 Pin 9 Signal Select JP1 +5V Ring +12VClear Cmos JBAT1 Protect RS-485 RS-485 RS-422 RS-422 Pwrok GND ATX Power Connector ATXPWR1BIT1 BIT2 OFF Vccsb User’s Manual CPU Fan Connector CFAN1 Signal Description CPU Fan Connector CFAN1TAC RED GND Green DAT Blue Hsync VCC Vsync DCK AIMB-250 Series Parallel Port Connector & VGA Connector CN1Signal Description VGA Connector CN1 COM DTR Serial Port 1 Connector in RS-232 Mode CN1DCD DTR GND DSR RTS CTS AIMB-250 Series Serial Port 1 Connector in RS-422 Mode CN1 Data DATA+ GND Serial Port 1 Connector in RS-485 Mode CN1 AIMB-250 Series Audio Connector CN2 Audio-In 12 RJ-45 Ethernet / USB 0 & 1, 4 & 5 Connectors CN3, CN413 4/5/8-Wire Touch Screen Connector CN5, optional GND WPT Rdata SIDE1 Dskchg User’s Manual Floppy Connector FLP1 Moatsa AIMB-250 Series Signal Description Floppy Connector FLP User’s Manual Primary IDE Connector IDE1 AIMB-250 Series Secondary IDE Connector IDE2 Iordy RESET#IOR# IOW# AIMB-250 Series LCD Inverter Connector JBKL1 Signal Description LCD Inverter Connector JBKL1GND Enbkl User’s Manual CD-ROM Audio Input Connector JCD1 Signal Description CD-ROM Audio Input Connector JCD1Serial Port 2 Connector JCOM1 JCOM2 JCOM3 AIMB-250 Series Serial Port 3/4 Connector JCOM2, JCOM3 Smbdata Digital Input / Output Connector JDIO1Signal Description Digital Input / Output Connector JDIO1 Smbclk AIMB-250 Series Front Panel Connector JFP1 Signal Description Front Panel Connecter JFP1HDD LED Irrx User’s Manual IrDA Connector JIR1Signal Description IrDA Connecter JIR1 Irrx GND Irtx 2CDAT, I 2CCLK AIMB-250 Series Lvds Connector JLVDS1Signal Description Lvds Connector JLVDS1 2CDAT 2CCLK GND #MASTER User’s Manual Miscellaneous Setting Connector JMISC1Signal Description Miscellaneous Setting Connecter JMISC1 CASEOPEN# VTIN3 GND Thrmdn Signal Description Tmds Connecter JTMDS1 AIMB-250 Series Tmds DVI Connector JTMDS1 Tvcvb User’s Manual TV Out Connector JTV1Signal Description TV Out Connecter JTV1 Tvcvb GND TVYFCC2 TVCFCC2 AIMB-250 Series USB Connector 2 & 3 JUSB1 USB Connector 4 & 5 JUSB2Signal Description USB Connecter 2, 3, 4 & 5 JUSB1, JUSB2 Signal Description System Fan Connector SFAN1, SFAN2 System Fan Connector 1 & 2 SFAN1, SFAN2 Bios Setup Starting Setup Press DEL to enter SetupPress F1 to Continue, DEL to enter Setup Navigating Through The Menu Bar Using Setup Case of Problems Getting HelpUser’s Manual To Display a Sub Menu Main Menu Main Menu Selection User’s Manual Standard Cmos Features IDE Adapter Setup Virus Warning User’s Manual Advanced Bios FeaturesCPU Feature Quick Power On Self Test Swap Floppy Drive AIMB-250 Series First/Second/Third/Other Boot DeviceBoot Up NumLock Status Select power on state for NumLock Typematic Rate Setting Report No FDD For WIN95 Apic ModeMPS Version Control For OS OS Select for Dram 64MB CAS Latency Time AIMB-250 Series Advanced Chipset FeaturesActive to Precharge Delay Dram Timing Selectable Video Bios Cacheable User’s Manual Dram RAS# to CAS# DelayDram Data Integrity Mode System Bios Cacheable AGP Aperture Size MB Delayed TransactionDelay Prior to Thermal AIMB-250 Series Memory Hole At 15M-16M OnChip IDE Device User’s Manual Integrated Peripherals IDE Onboard Device User’s Manual Super IO Device IRQ3, IRQ4, IRQ5 Watch Dog Timer2E8/IRQ3, Auto ECP+EPP Acpi Suspend Type User’s Manual Power Management SetupPower Management Acpi Function Soft-Off by PWR-BTTN Power On By RingResume By Alarm AIMB-250 Series Modem Use IRQ PCI / VGA Palette Snoop User’s Manual PnP / PCI ConfigurationReset Configuration Data Resources Controlled By Case Open Warning AIMB-250 Series PC Health Status CPU Host / 3V66 / PCI Clock User’s Manual Frequency / Voltage ControlAuto Detect PCI Clk Spread Spectrum Load Optimized Defaults AIMB-250 Series Load Fail-Safe Defaults User’s Manual Set Supervisor / User Password Save & Exit Setup Password Disabled User’s Manual Exit Without Save Drivers Installation Install Driver StepUser’s Manual Click AIMB-250 Mechanical Drawing Unit mm Award Bios Post Error Messages OverviewPost Beep Eisa Configuration Is Not Complete Eisa Configuration Checksum Error Memory Verify Error at User’s Manual Invalid Eisa ConfigurationMemory Address Error at Memory parity Error at Should Be Empty But Eisa Board Found Should Have Eisa Board But Not FoundSlot Not Empty Manufacturing Post loop Keyboard error or no keyboard presentBios ROM checksum error System halted User’s Manual Wrong Board In Slot AIMB-250 Series Post Codes 40.1Normal Post CodeE1-EF User’s Manual AIMB-250 Series User’s Manual AIMB-250 Series AIMB-250 User’s Manual101 AIMB-250 Series 40.2Quick Post Codes AIMB-250 User’s Manual103 SMI AIMB-250 Series 40.3S4 Post Codes 40.4BootBlock Post Codes

Advantech AIMB-250 user manual Digital Input / Output Connector JDIO1, Smbclk, Smbdata

Models: AIMB-250

User’s Manual

2.4.21 Digital Input / Output Connector (JDIO1)

2.4.21.1 Signal Description – Digital Input / Output Connector (JDIO1)

SMB_CLK

SMB_DATA