Intel P4LA A.3 <Floppy Port> , A.4 <IrDA Port>

LV-672 User’s Manual I/O Pin Assignment

Floppy Port 50

A.3 <Floppy Port> 33 1

Connector: FDD

Type: 34-pin (2 x 17) 2.54-pitch header

Pin Description Pin Description

1 Ground 2 DRIVE DENSITY SELECT 0

3 Ground 4 DRIVE DENSITY SELECT 1

5 Ground 6 N/C

7 Ground 8 INDEX-

9 Ground 10 MOTOR ENABLE A-

11 Ground 12 DRIVER SELECT B-

13 Ground 14 DRIVER SELECT A-

15 Ground 16 MOTOR ENABLE B-

17 Ground 18 DIRECTION-

19 Ground 20 STEP-

21 Ground 22 WRITE DATA-

23 Ground 24 WRITE GATE-

25 Ground 26 TRACK 0-

27 Ground 28 WRITE PROTECT-

29 Ground 30 READ DATA-

31 Ground 32 HEAD SELECT-

33 Ground 34 DISK CHANGE-

A.4 <IrDA Port>

Connector: CN_IR

Type: 5-pin header for SIR Ports

Pin Description

1 VCC

2 N/C

3 IRRX

4 Ground

5 IRTX

34 2

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.