Intel P4LA 2.15 <Serial Port>

P4LA User’s Manual Hardware Setup

Enhanced IDE Interface 31

2.15 <Serial Port>

The board has one RS232 serial ports on real I/O panel, and five onboard serial port .

COM2 Support RS232/422/485. Jump setting please refer to Page 57

This Pin header provide +5V/+12V for COM1/COM2 Pin1,Pin 9.

Jumper: JP1/2

Type: onboard 6-pin header

Pin Description Pin Description

1 VCC 2 +12V

3 COM1/2 pin1 4 COM1/2 pin9

5 MDCD1- 6 MRI2-

5 6

1 2

Internal Serial port

External Serial port

Contents

Main Page Packing List Index Chapter1 <Introduction> Chapter 2 <Hardware Setup> Chapter 3 <System Configuration> Chapter 4 <BIOS Setup> Appendix A <I/O Port Pin Assignment> Appedix B <System Resources> Appedix B <How to setting RS-422/485> Appedix C <Flash BIOS> Appendix D <Programming GPIOs> Appendix E <What Dog timer Setting > Contact Information Page Chapter1 <Introduction> 1.1 <Product Overview> Intel LGA775 processor Intel 945G and ICH7R chipset One Marvell E8053 1.2 <Product Specification> General Specification Page P4LA Users Manual Introduction Component Placement 10 1.3 <Component Placement> 1.4 <Block Diagram> ICH7R 1.5 <Mechanical Drawing > P4LA Users Manual Hardware Setup Connector Location 13 Chapter 2 <Hardware Setup> 2.1 <Connector Location> 2.2 <Jumper Reference> 2.3 <Connector Reference> 2.3.1 <Internal Connectors> 2.3.2 <External Connectors> 2.4 <CPU and Memory Setup> 2.4.1 <CPU installation> 2.4.2 <Memory installation> 2.5 <CMOS Setup> 2.6 <Enhanced IDE interface> 2.7 <Serial ATA installation> Page Page 2.10 <Audio Installation> Page 2.11 <Display Installation> 2.12 <USB Installation> Page 2.13 <Power and Fan Installation> Page 2.14 <GPIO interface> 2.15 <Serial Port> 2.16 <Switch and Indicator> 2.17 <Expansion Interface> Page Chapter 3 <System Configuration> 3.1 <SATA configuration> X X Page On-Chip Serial ATA mode: 3.2 <SATA RAID Configuration> Page Page Page Page 3.4 <Video Memory Setup> Page 3.5 <Display Properties Setting> Page Chapter 4 <BIOS Setup> Page Appendix A <I/O Port Pin Assignment> A.1 IDE Port 39 A.2 <Serial ATA Port> A.3 <Floppy Port> A.4 <IrDA Port> A.5 <Serial Port> A.6 <VGA Port> A.7 <LAN Port> A.8 <SMBus> A.9 <LPT Port > Appedix B <System Resources> Page B2.<Memory Address Map> Page Appedix B <How to setting RS-422/485> Appedix C <Flash BIOS> C.1 BIOS Auto Flash Tool C.2 Flash Method Appendix D <Programming GPIOs> Appendix E <What Dog timer Setting > Contact Information Taiwan Commate Computer Inc.