Pro-Tech EB-471LF M1 user manual COM Port Connector, RS-232 RS-422 RS-485

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Chapter 2 Hardware Configuration

2-4. COM PORT CONNECTOR

COM1 : COM1 Connector

COM1 is fixed as RS-232.

The pin assignment is as follows :

PIN	ASSIGNMENT
1	DCD1
2	RX1
3	TX1
4	DTR1
5	GND
6	DSR1
7	RTS1
8	CTS1
9	RI1
10	NC

COM2 : COM2 Connector

The COM2 is selectable as RS-232/422/485.

The pin assignment is as follows :

	PIN	ASSIGNMENT
	PIN	RS-232	RS-422	RS-485
		RS-232	RS-422	RS-485
	1	DCD2	TX-	TX-
	2	RX2	TX+	TX+
	3	TX2	RX+	RX+
	4	DTR2	RX-	RX-
	5	GND	GND	GND
	6	DSR2	RTS-	NC
	7	RTS2	RTS+	NC
	8	CTS2	CTS+	NC
	9	RI2	CTS-	NC
	10	NC	NC	NC

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EB-471LF USER′S MANUAL

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Contents USER’S Manual EB-471LF Celeron M FCC Notice Table of Contents Appendix Expansion BUS Introduction Hardware Configuration About this ManualSystem Specification CPUDisplay Safety Precautions Hardware Jumper & Connector Quick Reference Table EB-471LF Connector, Jumper and Component locations Component LocationsHOW to SET the Jumpers Jumpers and CapsJumper Diagrams Jumper SettingsCOM Port Connector RS-232 RS-422 RS-485Jumper Settings Function Pin closed Illustrations RS232/422/485 COM2 SelectionKEYBOARD/MOUSE Connector Reset ConnectorHard Disk Drive LED Connector JPANEL1 7,8 Reset ConnectorPower LED Connector External Speaker ConnectorIrda Connector System FAN Connector VGA ConnectorHard Disk Drive Connector PIN AssignmentUniversal Serial BUS Connector LAN ConnectorFunction Jumper Setting Clear Cmos Data SelectionPower Requirement Selection SettingsAT Power Connector Inverter ConnectorRESET/NMI Watchdog Selection IllustrationLvds Connector Panel Voltage Selection Sound Connector TV-OUT ConnectorLAN LED Software Utilities VGA Driver Utility IntroductionFilename Purpose Assume that CD ROM drive is D Installation of VGA Driver System Bios Update Flash Bios UpdateTo update VGA Bios for LCD Flat Panel Display Page3-5 LAN Driver Utility IntroductionInstallation Procedure for Windows 9x/NT/2000/XP Sound Driver UtilityIntel Chipset Software Installation Utility Installation of Utility for Windows 98SE/ME/2000/XPUSB2.0 Software Installation Utility Installation of Utility for Windows 98SE/ 2000/XPWatchdog Timer Configuration Configuration SequencePage3-11 Award Bios Setup Introduction Entering Setup Setup program initial screenStandard Cmos Features Cmos Setup screenIDE Primary Master / Slave IDE Secondary Master / Slave Drive a and Drive B VideoHalt on Base MemoryHard Disk Attributes Award Hard Disk Type TableAdvanced Bios Features Bios Features Setup ScreenQuick Power on SELF-TEST CPU L1 & L2 CacheFIRST/SECOND/ Boot Device Boot UP Numlock StatusTypematic Rate Setting Typematic Delay MsecAdvanced Chipset Features Chipset Features Setup ScreenActive to Precharge Delay Dram RAS# to CAS# DelayDram Data Integrity Mode System Bios CacheableDelayed Transaction Memory Hole AT 15M-16MAGP Aperture Size ON-CHIP VGAIntegrated Peripherals Setup Screen Integrated PeripheralsOnchip IDE Device OnChip Primary PCI IDEPrimary Master/Slave PIO Secondary Master/Slave PIO Primary Master/Slave Udma Secondary Master/Slave UdmaOnboard Device USB ControllerUSB Keyboard Support USB Mouse SupportSuper IO Device Power Management Setup Power Management Setup ScreenPower Management Modem USE IRQPNP/PCI Configuration Setup Screen PNP/PCI ConfigurationReset Configuration Data IRQ Resources Resource Controlled byIRQ-n Assigned to Current Warning Temperature Current CPU TemperaturePC Health Status Current System FAN SpeedFrequency Control Setup Screen Frequency ControlAuto Detect PCI CLK Spread SpectrumLoad FAIL-SAFE Defaults Load Optimized DefaultsTo SET a Password SET Supervisor PASSWORD/SET User PasswordTo Disable the Password Save & Exit Setup Exit Without Saving Expansion BUS PC/104 Plus BUS Connector PIN Assignment Technical Summary Block Diagram Interrupt MAP IRQ AssignmentRTC & Cmos RAM MAP Code AssignmentTimer Channel Map Assignment Timer & DMA Channels MAPDMA Channel Map Assignment Memory Map Memory MAPMap