Advantech user manual AIMB-250 Series Serial Port 3/4 Connector JCOM2, JCOM3, JCOM2 JCOM3

Page 50

AIMB-250 Series

2.4.20Serial Port 3/4 Connector (JCOM2, JCOM3)

JCOM2

JCOM3

Signal

PIN

PIN

Signal

DCD

1

2

RxD

TxD

3

4

DTR

 

 

 

 

GND

5

6

DSR

RTS

7

8

CTS

 

 

 

 

RI

9

10

NC

 

 

 

 

2.4.20.1 Signal Description – Serial Port 2/3/4 Connector (JCOM1, JCOM2, JCOM3)

 

Signal

 

Signal Description

 

 

 

 

Serial output. This signal sends serial data to the communication link. The signal is

 

TxD

 

 

set to a marking state on hardware reset when the transmitter is empty or when

 

 

 

 

loop mode operation is initiated.

 

RxD

Serial input. This signal receives serial data from the communication link.

 

 

 

 

 

 

DTR

 

 

Data Terminal Ready. This signal indicates to the modem or data set that the

 

 

 

on-board UART is ready to establish a communication link.

 

 

 

 

 

DSR

 

Data Set Ready. This signal indicates that the modem or data set is ready to

 

 

establish a communication link.

 

 

 

 

 

 

 

 

 

 

RTS

 

 

Request To Send. This signal indicates to the modem or data set that the on-board

 

 

 

UART is ready to exchange data.

 

 

 

 

 

CTS

 

Clear To Send. This signal indicates that the modem or data set is ready to

 

 

exchange data.

 

 

 

 

 

 

 

 

 

 

DCD

 

 

Data Carrier Detect. This signal indicates that the modem or data set has detected

 

 

 

the data carrier.

 

 

 

 

 

RI

 

Ring Indicator. This signal indicates that the modem has received a telephone

 

 

ringing signal.

 

 

 

 

 

 

 

 

 

50 AIMB-250 Series User’s Manual

Page 49 Page 51
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Page 49 Page 51
Contents Mini-ITX AIMB-250 Series 1st Ed JanuaryTrademark Acknowledgement FCC StatementCopyright Notice AIMB-250 SeriesMessage to the Customer DisclaimerLife Support Policy User’s ManualTechnical Support Advantech CorpProduct Warranty Contents Bios Setup System HALTED, CTRL-ALT-DEL to Reboot Keyboard Error or no Keyboard PresentMemory Size has Changed Since Last Boot Offending Address not FoundHard Disks fail → Unable to recalibrate fixed disk Safety Precautions Packing ListJan Initial release Document Amendment HistoryRevision Date Comment Manual Objectives System Specifications SystemDisplay Mechanical & Environmental Block Diagram Architecture OverviewUser’s Manual Intel 855GME and ICH4 AIMB-250 Series ECC Dram Interface Intel 855GME PCI Interface8 USB VIA VT1616 Audio CodecAIMB-250 Series Chrontel CH7009A TV/DVI Transmitter Page AIMB-250 Series Winbond W83627HF Compact Flash InterfaceHardware Configuration Product Overview Installation Procedure Processor Installation Installing Pentium M CPUInstalling the Fan and Heat Sink Removing CPUUser’s Manual Main Memory DIMM1AIMB-250 Series JP2, JP3 Jumper and Connector ListLabel Function Connectors KBMS1 Clear Cmos JBAT1 Protect Setting Jumpers & Connectors2 COM1 Pin 9 Signal Select JP1 +5V Ring +12V RS-422 RS-422 RS-485 RS-485Vccsb ATX Power Connector ATXPWR1BIT1 BIT2 OFF Pwrok GNDTAC User’s Manual CPU Fan Connector CFAN1Signal Description CPU Fan Connector CFAN1 COM AIMB-250 Series Parallel Port Connector & VGA Connector CN1Signal Description VGA Connector CN1 RED GND Green DAT Blue Hsync VCC Vsync DCKDTR GND DSR RTS CTS Serial Port 1 Connector in RS-232 Mode CN1DCD DTRAIMB-250 Series Serial Port 1 Connector in RS-422 Mode CN1 Serial Port 1 Connector in RS-485 Mode CN1 Data DATA+ GND13 4/5/8-Wire Touch Screen Connector CN5, optional AIMB-250 Series Audio Connector CN2 Audio-In12 RJ-45 Ethernet / USB 0 & 1, 4 & 5 Connectors CN3, CN4 User’s Manual Floppy Connector FLP1 GND WPT Rdata SIDE1 DskchgAIMB-250 Series Signal Description Floppy Connector FLP MoatsaUser’s Manual Primary IDE Connector IDE1 AIMB-250 Series Secondary IDE Connector IDE2 IOW# RESET#IOR# IordyGND Enbkl AIMB-250 Series LCD Inverter Connector JBKL1Signal Description LCD Inverter Connector JBKL1 Serial Port 2 Connector JCOM1 User’s Manual CD-ROM Audio Input Connector JCD1Signal Description CD-ROM Audio Input Connector JCD1 AIMB-250 Series Serial Port 3/4 Connector JCOM2, JCOM3 JCOM2 JCOM3Smbclk Digital Input / Output Connector JDIO1Signal Description Digital Input / Output Connector JDIO1 SmbdataHDD LED AIMB-250 Series Front Panel Connector JFP1Signal Description Front Panel Connecter JFP1 Irrx GND Irtx User’s Manual IrDA Connector JIR1Signal Description IrDA Connecter JIR1 Irrx2CDAT 2CCLK GND AIMB-250 Series Lvds Connector JLVDS1Signal Description Lvds Connector JLVDS1 2CDAT, I 2CCLKCASEOPEN# VTIN3 GND Thrmdn User’s Manual Miscellaneous Setting Connector JMISC1Signal Description Miscellaneous Setting Connecter JMISC1 #MASTERAIMB-250 Series Tmds DVI Connector JTMDS1 Signal Description Tmds Connecter JTMDS1Tvcvb GND TVYFCC2 TVCFCC2 User’s Manual TV Out Connector JTV1Signal Description TV Out Connecter JTV1 TvcvbSignal Description USB Connecter 2, 3, 4 & 5 JUSB1, JUSB2 AIMB-250 Series USB Connector 2 & 3 JUSB1USB Connector 4 & 5 JUSB2 System Fan Connector 1 & 2 SFAN1, SFAN2 Signal Description System Fan Connector SFAN1, SFAN2Bios Setup Press F1 to Continue, DEL to enter Setup Starting SetupPress DEL to enter Setup Using Setup Navigating Through The Menu BarUser’s Manual To Display a Sub Menu Case of ProblemsGetting Help Main Menu User’s Manual Standard Cmos Features Main Menu SelectionIDE Adapter Setup Quick Power On Self Test User’s Manual Advanced Bios FeaturesCPU Feature Virus WarningTypematic Rate Setting AIMB-250 Series First/Second/Third/Other Boot DeviceBoot Up NumLock Status Select power on state for NumLock Swap Floppy DriveOS Select for Dram 64MB Apic ModeMPS Version Control For OS Report No FDD For WIN95Dram Timing Selectable AIMB-250 Series Advanced Chipset FeaturesActive to Precharge Delay CAS Latency TimeSystem Bios Cacheable User’s Manual Dram RAS# to CAS# DelayDram Data Integrity Mode Video Bios CacheableAIMB-250 Series Memory Hole At 15M-16M Delayed TransactionDelay Prior to Thermal AGP Aperture Size MBUser’s Manual Integrated Peripherals OnChip IDE DeviceOnboard Device IDEUser’s Manual Super IO Device ECP+EPP Watch Dog Timer2E8/IRQ3, Auto IRQ3, IRQ4, IRQ5Acpi Function User’s Manual Power Management SetupPower Management Acpi Suspend TypeAIMB-250 Series Modem Use IRQ Power On By RingResume By Alarm Soft-Off by PWR-BTTNResources Controlled By User’s Manual PnP / PCI ConfigurationReset Configuration Data PCI / VGA Palette SnoopAIMB-250 Series PC Health Status Case Open WarningSpread Spectrum User’s Manual Frequency / Voltage ControlAuto Detect PCI Clk CPU Host / 3V66 / PCI ClockAIMB-250 Series Load Fail-Safe Defaults Load Optimized DefaultsUser’s Manual Set Supervisor / User Password Password Disabled Save & Exit SetupUser’s Manual Exit Without Save Drivers Installation User’s Manual Click AIMB-250 Install DriverStep Mechanical Drawing Unit mm Award Bios Post Post Beep Error MessagesOverview Eisa Configuration Checksum Error Eisa Configuration Is Not CompleteMemory parity Error at User’s Manual Invalid Eisa ConfigurationMemory Address Error at Memory Verify Error atSlot Not Empty Should Be Empty But Eisa Board FoundShould Have Eisa Board But Not Found User’s Manual Wrong Board In Slot Keyboard error or no keyboard presentBios ROM checksum error System halted Manufacturing Post loopE1-EF AIMB-250 Series Post Codes40.1Normal Post Code 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 AIMB-250 Series 40.3S4 Post Codes SMI40.4BootBlock Post Codes
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