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Asus P5A 25.SMBus Connector (5-1pin SMB), 26.Power Supply Temperature External Connector (2 pin TRPWR)

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ALLATION INST .III

Connectors

III.INSTALLATION

25.SMBus Connector (5-1 pin SMB)

This connector allows you to connect SMBus devices. SMBus devices commu- nicate by means of the SMBus with an SMBus host and/or other SMBus de- vices. The SMBus or System Management Bus is a specific implementation of an I2C bus, which is a multi-master bus, that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer.

SMBCLK

Ground

SMBDATA

+5V

P5A SMBus Connector

26.Power Supply Temperature External Connector (2 pin TRPWR)

This connector allows you to connect a compatible heat sensor to monitor the power supply temperature.

TRPWR

P5A Power Supply Temperature External Connector

34	ASUS P5A User’s Manual

Contents

Page USER'S NOTICE Product Name: ASUS P5A Manual Revision: 1.07 E382 ASUSTeK COMPUTER INC. (Asia-Pacific) Marketing Technical Support ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Europe) CONTENTS Page FCC & DOC COMPLIANCE Federal Communications Commission Statement •This device may not cause harmful interference, and •Re-orientor relocate the receiving antenna •Increase the separation between the equipment and receiver How this Manual is Organized Item Checklist ASUS P5A Motherboard Introduction to ASUS Smart Series Motherboards Smart FEA II.FEATURES Voltage Monitoring and Alert: CPU Slow Down: Auto Fan Off: even in sleep mode Parts of the ASUS P5A Motherboard ASUS P5A Motherboard Layout INST ALLATION Contents Installation Steps 1. Jumpers Jumper Settings III.INSTALLATION 2.Keyboard Power Up (KBPWR) Enable 3.+3V Voltage Selection (VIO1) 4.Audio Selection (3-pinx 3) 5.CPU External (BUS) Frequency Selection (FS3, FS2, FS1, FS0) External BUS Clock Internal 6.CPU to BUS Frequency Multiple (BF0, BF1, BF2) Set the jumpers by the Internal speed of your CPU as follows: Compatible Cyrix CPU Identification 2.System Memory (DIMM) DIMM Memory Installation Procedures: 3.Central Processing Unit (CPU) (This page was intentionally left blank.) 4.Expansion Cards Expansion Card Installation Procedure: Assigning IRQs for Expansion Cards Assigning DMA Channels for ISA Cards ISA Cards and Hardware Monitor Accelerated Graphics Port 5.External Connectors 3.Parallel Port Connector (25-pinFemale) NOTE: Serial printers must be connected to the serial port 4.Serial Port COM1 and COM2 Connectors (Two 9-pinMale) 5.Floppy drive connector (FLOPPY, 34-1pin block ) Audio Port Connectors (Three 1/8” Female) Line Out Line In Mic Joystick/Midi Connector 9.Primary / Secondary IDE connectors (Two 40-1pin block) 10.IDE activity LED (IDELED, 2 pins) 11.ATX Power Supply Connector (ATX, 20-pinblock) 12.Chassis Intrusion Alarm Lead (4-1pin CHASIS) 13.CPU Cooling Fan Connectors (FAN, 3 pins) These are not jumpers, do not place jumper caps over these pins 14.IrDA-CompliantInfrared Module Connector (IR, 5-pinblock) UART2 Use Infra- red Chipset Features Setup 15.Message LED Lead (MSG.LED, 2 pins) 16.ATX Power Switch/Soft Power Switch Lead (PWR.SW., 2 pins) 17.Reset Switch Lead (RESET, 2 pins) 18.System Power LED Lead (PWR.LED, 3 pins) 19.Keyboard Lock Switch Lead (KEYLOCK, 2 pins) 21.Wake-on-LANActivity Connector (3-pinWOLCON) VI. ASUS LAN CARD 23.Stereo Audio In Connector (4-pinAUX) 24.Stereo Audio In Connector (4-pinCD1) 25.SMBus Connector (5-1pin SMB) 26.Power Supply Temperature External Connector (2 pin TRPWR) Power Connection Procedures Support Software Flash Memory Writer Utility Main Menu 2. Update BIOS Including Boot Block and ESCD Flash Memory Writer IV. BIOS Managing and Updating Your Motherboard’s BIOS 6. BIOS Setup Load Defaults Standard CMOS Setup Details of Standard CMOS Setup Time Hard Disk Drives For IDE hard disk drive setup, you can: •Use theAuto setting for detection during bootup •Enter the specifications yourself manually by using the “User” option Auto detection of hard disks on bootup Drive A / Drive B (None) Floppy 3 Mode Support (Disabled) Drive A Drive B BIOS Features Setup Details of BIOS Features Setup BIOS Quick Power On Self Test (Enabled) Enabled HDD Sequence SCSI/IDE First (IDE) IDE Chipset Features Setup Details of Chipset Features Setup Memory Hole At 15M-16M(Disabled) Data Integrity Mode (Disabled) KBD Clock Source Speed (8MHz) Onboard FDC Controller (Enabled) Onboard FDC Swap A & B (No Swap) Parallel Port Mode (ECP+EPP) ECP DMA Select (3) ECP ECP+EPP Parallel Port Mode Power Management Setup Details of Power Management Setup Video Off Method (DPMS OFF) PM Timers HDD Power Down Doze Standby Wake On LAN (Enabled) Automatic Power Up (Disabled) Fan Monitor (xxxxRPM) Thermal Monitor (xxxC/xxxF) Voltage Monitor (xx.xV) PNP and PCI Setup Details of PNP and PCI Setup DMA x Used By ISA (No/ICU) ISA MEM Block BASE (No/ICU) SYMBIOS SCSI BIOS (Auto) USB Function (Disabled) Enabled Load BIOS Defaults Load Setup Defaults Supervisor Password and User Password IDE HDD Auto Detection Save & Exit Setup Exit Without Saving (This page was intentionally left blank) ASUS Smart Motherboard Support CD Desktop Management Interface (DMI) Introducing the ASUS DMI Configuration Utility System Requirements Using the ASUS DMI Configuration Utility Notes Save MIFD Load MIFD Load BIOS Defaults DMI Using SOFTW The ASUS CIDB Chassis Sensor Using the ASUS CIDB Setting up the ASUS CIDB ASUS CIDB Additional Considerations ASUS PCI-L101Fast Ethernet Card Features Software Driver Support Question and Answer Glossary Byte (Binary Term) COM Port CPU (Central Processing Unit) Device Driver DOS (Disk Operating System) PCI Bus (Peripheral Component Interconnect Local Bus) Peripherals POST (Power On Self Test) PS/2 Port RAID (Redundant Array of Independent Disks) USB (Universal Serial Bus)