Dfi AK74-SC, AK74-SU User Manual

AK74-SC

AK74-SU

Rev. A+ System Board Users Manual

43810032

This publication contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without the prior written permission from the copyright holders.

This publication is provided for informational purposes only. The manufacturer makes no representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. The user will assume the entire risk of the use or the results of the use of this document. Fur ther, the manufacturer reserves the right to revise this publication and make changes to its contents at any time, without obligation to notify any person or entity of such revisions or changes.

Trademarks

Microsoft® MS-DOS®, WindowsTM, Windows® 95, Windows® 98, Windows® 98 SE and Windows® 2000 are registered trademarks of Microsoft Corporation. AMD, AthlonTM and DuronTM are registered trademarks of Advanced Micro Devices, Inc. VIA is a registered trademark of VIA Technologies, Inc. Award is a registered trademark of Award Software, Inc. Other trademarks and registered trademarks of products appearing in this manual are the properties of their respective holders.

Caution:

Danger of explosion if battery incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the battery manufacturers instructions.

FCC and DOC Statement on Class B

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

 Reorient or relocate the receiving antenna.  Increase the separation between the equipment and the receiver.  Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

 Consult the dealer or an experienced radio TV technician for

help.

Notice:

1. The changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

2. Shielded interface cables must be used in order to comply with the emission limits.

Table of Contents

Read Me First..........................................................

Chapter 1 - Introduction

1.1 Features and Specifications..................................................................................

1.2 Package Checklist.........................................................................................................

Chapter 2 - Hardware Installation

2.1 System Board Layout .............................................................................................

2.2 System Memory.............................................................................................................

2.3 Jumper Settings for Clearing CMOS Data..........................................

2.4 Jumper Settings for the Onboard Audio Codec

(AK74-SC only)..............................................................................................................

2.5 Jumper Settings for Selecting the USB Power...................................

2.6 Jumper Settings for the Onboard PCI Audio

(AK74-SU only)..............................................................................................................

2.7 Ports and Connectors.............................................................................................

Chapter 3 - Award BIOS Setup Utility

3.1 The Basic Input/Output System.....................................................................

3.1.1 Standard CMOS Features.............................................................

3.1.2 Advanced BIOS Features..............................................................

3.1.3 Advanced Chipset Features ......................................................

3.1.4 Integrated Peripherals.........................................................................

3.1.5 Power Management Setup............................................................

3.1.6 PnP/PCI Configurations....................................................................

3.1.7 PC Health Status...................................................................................

3.1.8 Frequency/Voltage Control............................................................

3.1.9 Load Fail-Safe Defaults.....................................................................

3.1.10 Load Optimized Defaults..............................................................

3.1.11 Set Supervisor Password...............................................................

3.1.12 Set User Password..............................................................................

3.1.13 Save & Exit Setup.................................................................................

3.1.14 Exit Without Saving..............................................................................

3.2 Updating the BIOS.....................................................................................................

16 18 20

21 22

23 24

42 42 46 50 53 58 63 66 68 69 69 70 70 71 71 71

Chapter 4 - Supported Softwares

4.1 Desktop Management Interface.....................................................................

4.2 VIA Hardware Monitor............................................................................................

4.3 VIA Service Pack..........................................................................................................

4.4 Audio Drivers and Software Application...............................................

4.5 Drivers and Utilities Installation Notes.....................................................

Appendix A - Using the Suspend to RAM

Function

A.1 Using the Suspend to RAM Function........................................................

Appendix B - System Error Messages

B.1 POST Beep.......................................................................................................................

B.2 Error Messages..............................................................................................................

Appendix C - Troubleshooting

C.1 Troubleshooting Checklist....................................................................................

72 75 75 76 77

82 82

Introduction

Read Me First

This page contains a summary of the important notes that must be given special attention to prior to using the system board.

CPU Fan Protection

Over Voltage

The Over Voltage function allows you to manually adjust to a higher core voltage that is supplied to the CPU. Although this function is supported, we do not recommend that you use a higher voltage because unstable current may be supplied to the system board causing damage.

CPU Overclocking

System Memory

The system board supports both VCM and PC SDRAM DIMMs. If you are using more than one DIMM, make sure you inser t the same type of DIMMs into the DIMM sockets. Using different types (VCM or PC SDRAM) of DIMMs may cause problems.

Introduction

5VSB Power

 If you are using the (1) Wake-On-LAN and/or (2) Wake-On-

Ring (internal modem) functions, the 5VSB power source of your power supply must support ≥720mA.

 If you are using the Suspend to RAM function, the 5VSB power

source of your power supply must support ≥1A.

Drivers

Make sure to reboot the system after each driver installation. Problems will occur if you reboot only after installing all the drivers.

Introduction

Chapter 1 - Introduction

1.1 Features and Specifications

1.1.1 Features

Chipset

 VIA® KT133 - VT8363 and VT82C686A

Processor

The system board is equipped with Socket-A for 462-pin PGA processor. It is also equipped with a switching voltage regulator that automatically detects 1.100V to 1.850V.

 AMD AthlonTM/DuronTM 100MHz (200MHz DDR) FSB proces-

sor (600/650/700/750/800/850/950MHz or future processors)

System Memory

 Supports up to 1.5GB using VCM (Virtual Channel Memory) or

PC SDRAM DIMM (unbuffered or registered)  Three 168-pin DIMM sockets  Uses x64 or x72 PC SDRAM, 3.3V

- PC-100 SDRAM DIMM for 100MHz memory bus

- PC-133 SDRAM DIMM for 133MHz memory bus

 L2 cache memory

- Duron

- Athlon

 ECC supported (uses x72 PC SDRAM DIMM)

cache

processor: built-in 64KB Level 2 pipelined burst

processor: built-in 256KB Level 2 pipelined burst

Note:

If you are using more than one DIMM, make sure you insert the same type of DIMMs into the DIMM sockets. Using different types (VCM or PC SDRAM) of DIMMs may cause problems.

Introduction

DIMMs

2MBx64/x72 4MBx64/x72 8MBx64/x72

Memory Size

16MB 32MB 64MB

DIMMs

16MBx64/x72 32MBx64/x72 64MBx64/x72

Memory Size

128MB 256MB 512MB

Expansion Slots

The system board is equipped with 1 universal AGP slot. AGP is an interface designed to support high performance 3D graphics cards. It utilizes a dedicated pipeline to access system memory for texturing, z-buffering and alpha blending. The universal AGP slot supports AGP 2x with up to 533MB/sec. bandwidth and AGP 4x with up to 1066MB/sec. bandwidth for 3D graphics applications. AGP in this system board will deliver faster and better graphics to your PC .

The system board is also equipped with 4 dedicated PCI slots, 1 shared PCI/ISA slot and 1 AMR slot. AMR (Audio/Modem Riser) is an interface designed for installing an audio riser card, modem riser card or audio/modem riser card that is compliant to the AMR specification.

Onboard Audio Features (AK74-SC only)

 Supports Microsoft® DirectSound/DirectSound 3D  AC97 supported with full duplex, independent sample rate con-

verter for audio recording and playback

Onboard PCI Audio Features - Creative ES1373 (AK74-SU only)

 Supports Microsoft® DirectSound /DirectSound 3D / DirectMusic

SW acceleration  64 voice wavetable synthesizer  Hardware SoundBlaster Pro for Windows DOS Box and

standard Microsoft Windows Sound 2.0  Digital I/O compatible with consumer mode (SPDIF)  Downloadable sound (DLS) level-1

ATX Double Deck Ports (PC 99 color-coded connectors)

 Two USB ports  Two NS16C550A-compatible DB-9 serial por ts  One SPP/ECP/EPP DB-25 parallel port  One mini-DIN-6 PS/2 mouse port

Introduction

 One mini-DIN-6 PS/2 keyboard port  One game/MIDI port  Three audio jacks: line-out, line-in and mic-in

Connectors

 One connector for 2 additional external USB ports  One connector for IrDA interface  Two IDE connectors  One floppy drive interface supports up to two 2.88MB floppy

drives  One 20-pin ATX power supply connector  One Wake-On-LAN connector  One Wake-On-Ring connector  CPU, chassis and second fan connectors  Three internal audio connectors (AUX-in, CD-in and TAD)

PCI Bus Master IDE Controller

 Two PCI IDE interfaces support up to four IDE devices  Supports ATA/33 or ATA/66 hard drives  PIO Mode 3 and Mode 4 Enhanced IDE (data transfer rate up

to 16.6MB/sec.)  Bus mastering reduces CPU utilization during disk transfer  Supports ATAPI CD-ROM, LS-120 and ZIP

IrDA Interface

The system board is equipped with an IrDA connector for wireless connectivity between your computer and peripheral devices. It supports peripheral devices that meet the HPSIR and ASKIR standard.

USB Ports

The system board supports 4 USB por ts. Two onboard USB ports are located at the ATX double deck ports of the board. The J19 connector on the system board allows you to connect the optional 3rd and 4th USB ports. These optional USB por ts, which are mounted on a card-edge bracket, will be provided as an option. USB allows data exchange between your computer and a wide range of simultaneously accessible external Plug and Play peripherals.

Introduction

BIOS

 Award BIOS, Windows® 95/98/2000 Plug and Play compatible  Supports SCSI sequential boot-up  Flash EPROM for easy BIOS upgrades  Supports DMI 2.0 function  2Mbit flash memory  Vcore selectable in the BIOS

Desktop Management Interface (DMI)

The system board comes with a DMI 2.0 built into the BIOS. The DMI utility in the BIOS automatically records various information about your system configuration and stores these information in the DMI pool, which is a part of the system board's Plug and Play BIOS. DMI, along with the appropriately networked software, is designed to make inventory, maintenance and troubleshooting of computer systems easier. Refer to chapter 4 for instructions on using the DMI utility.

1.1.2 System Health Monitor Functions

The system board is capable of monitoring the following system health conditions.

 Monitors CPU/system temperature and overheat alarm  Monitors 12V/5V/3.3V/VCORE voltages and failure alarm  Monitors CPU/chassis fan speed and failure alarm  Automatic chassis fan on/off control  Read back capability that displays temperature, voltage and fan

speed

Refer to the PC Health Status section in chapter 3 and the VIA Hardware Monitor section in chapter 4 for more information.

Introduction

1.1.3 Intelligence

CPU Fan Protection

The CPU Fan Protection function has the capability of monitoring the CPU fan during system boot-up and will automatically power-off the system once it has detected that the CPU fan did not rotate. This preventive measure has been added to protect the CPU from damage and insure a safe computing environment. Refer to CPU Fan Connector with CPU Fan Protection Function in chapter 2 and CPU Fan Protection in the PC Health Status section in chapter 3 for more information.

Over Voltage

CPU Overclocking

The CPU Overclocking function allows you to adjust the processors bus clock by 1MHz stepping. However, overclocking may result to the processors or systems instability and are not guaranteed to provide better system performance. Refer to Clock By Slight Adjust in the Frequency/Voltage Control section in chapter 3 for more information.

Introduction

Automatic Chassis Fan Off

The chassis fan will automatically turn off once the system enters the Suspend mode.

Dual Function Power Button

Depending on the setting in the Soft-Off By PWRBTN field of the Power Management Setup, this switch will allow the system to enter the Soft-Off or Suspend mode.

Wake-On-Ring

This feature allows the system that is in the Suspend mode or Soft Power Off mode to wake-up/power-on to respond to calls coming through an internal or external modem. Refer to Wake-On-Ring Connector in chapter 2 and Resume On LAN/Ring (Wake Up Events field) in the Power Management Setup section in chapter 3 for more information.

Important:

If you are using a modem add-in card, the 5VSB power source of your power supply must support a minimum of ≥720mA.

RTC Timer to Power-on the System

The RTC installed on the system board allows your system to automatically power-on on the set date and time. Refer to Resume By Alarm (Wake Up Events field) in the Power Management Setup section in chapter 3 for more information.

Wake-On-LAN

The Wake-On-LAN function allows the network to remotely wake up a Soft Power Down (Soft-Off) PC. Your LAN card must suppor t the remote wakeup function. Refer to Wake-On-LAN Connector in chapter 2 and Resume On LAN/Ring (Wake Up Events field) in the Power Management Setup section in chapter 3 for more information.

Important:

The 5VSB power source of your power supply must support a minimum of ≥720mA.

Introduction

AC Power Failure Recovery

When power returns after an AC power failure, you may choose to either power-on the system manually, let the system power-on automatically or return to the state where you left off before power failure occurs. Refer to PWR Lost Resume State in the Power Management Setup section in chapter 3 for more information.

ACPI STR

The system board is designed to meet the ACPI (Advanced Configuration and Power Interface) specification. ACPI has energy saving features that enables PCs to implement Power Management and Plug-and-Play with operating systems that support OS Direct Power Management. Currently, only Windows® 98/2000 supports the ACPI function allowing you to use the Suspend to RAM function.

With the Suspend to RAM function enabled, you can power-off the system at once by pressing the power button or selecting Standby when you shut down Windows® 98/2000 without having to go through the sometimes tiresome process of closing files, applications and operating system. This is because the system is capable of storing all programs and data files during the entire operating session into RAM (Random Access Memory) when it powers-off. The operating session will resume exactly where you left off the next time you power-on the system. Refer to Using the

Suspend to RAM Function in appendix A for more information.

Important:

The 5VSB power source of your power supply must support

≥

1A.

Virus Protection

Most viruses today destroy data stored in hard drives. The system board is designed to protect the boot sector and partition table of your hard disk drive.

Introduction

1.2 Package Checklist

The system board package contains the following items:

þ The system board þ A users manual þ One IDE cable for ATA/33 or ATA/66 IDE drives þ One 34-pin floppy disk drive cable þ One Main Board Utility CD

If any of these items are missing or damaged, please contact your dealer or sales representative for assistance.

Hardware Installation

Chapter 2 - Hardware Installation

2.1 System Board Layout

AK74-SC

Hardware Installation

AK74-SU

Hardware Installation

Warning:

Electrostatic discharge (ESD) can damage your system board, processor, disk drives, add-in boards, and other components. Perform the upgrade instruction procedures described at an ESD workstation only. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If a wrist strap is unavailable, establish and maintain contact with the system chassis throughout any procedures requiring ESD protection.

2.2 System Memory

The system board is equipped with three 168-pin DIMM (Dual In-line Memory Module) sockets that suppor t VCM or PC SDRAM DIMM. PC SDRAM (Synchronous Dynamic Random Access Memory) uses a fast memory interface technology that includes using the clock on the chip to synchronize with the CPU clock so that the timing of the memory chips and the timing of the CPU are synchronized. This saves time during transmission of data, subsequently increasing system performance.

The system board also supports the ECC (Error Checking and Correction) function. To use this function, you must install DIMM that supports parity. Refer to chapter 1 (System Memory section) for detailed specification of the memory supported by the system board.

Hardware Installation

2.2.1 Installing the DIM Module

A DIM module simply snaps into a DIMM socket on the system board. Pin 1 of the DIM module must correspond with Pin 1 of the socket.

Notch

Tab

Pin 1

1. Pull the tabs which are at the ends of the socket to the side.

2. Position the DIMM above the socket with the notches in the module aligned with the keys on the socket.

3. Seat the module vertically into the socket. Make sure it is completely seated. The tabs will hold the DIMM in place.

Key

Tab

Hardware Installation

2.3 Jumper Settings for Clearing CMOS Data

Clear CMOS Data - Jumper JP8

If you encounter the following,

a) CMOS data becomes corrupted. b) You forgot the supervisor or user

password.

c) You are unable to boot-up the

computer system because the processors bus clock was incorrectly set in the BIOS.

you can reconfigure the system with the default values stored in the ROM BIOS.

To load the default values stored in the ROM BIOS, please follow the steps below.

1. Power-off the system and unplug the power cord.

2. Set JP8 pins 2 and 3 to On. Wait for a few seconds and set JP8 back to its default setting, pins 1 and 2 On.

3. Plug the power cord and power-on the system.

If your reason for clearing the CMOS data is due to incorrect setting of the processors bus clock in the BIOS, please proceed to step 4.

4. After powering-on the system, press <Del> to enter the main menu of the BIOS.

5. Select the Frequency/Voltage Control submenu and press <Enter>.

6. Set the Clock By Slight Adjust field to its default setting or an appropriate bus clock. Refer to Clock By Slight Adjust in the Frequency/Voltage Control section in chapter 3 for more information.

Hardware Installation

7. Press <Esc> to return to the main menu of the BIOS setup utility. Select Save & Exit Setup and press <Enter>.

8. Type <Y> and press <Enter>.

1-2 On: Normal

(default)

Clear CMOS Data

2-3 On:

2.4 Jumper Settings for the Onboard Audio Codec (AK74-SC only)

Onboard Audio Codec Settings - Jumpers JP4, JP5, JP6 and JP7

The default setting is 1-2 On, the onboard audio codec enabled. If you are not using the onboard audio codec, set this jumper pins 2 and 3 to On - Disabled.

JP4 JP6JP5 JP7 JP4 JP6JP5 JP7

1-2 On: Enable the

Onboard Audio Codec

2-3 On: Disable the

Onboard Audio Codec

(default)

Hardware Installation

2.5 Jumper Settings for Selecting the USB Power

USB Power Select for USB 1 and USB 2 - Jumper JP3

This jumper is used to select the power of the USB device connected to USB 1 or USB 2.

(default)

2-3 On: 5VSB1-2 On: 5V

Hardware Installation

2.6 Jumper Settings for the Onboard PCI Audio Creative ES1373 (AK74-SU only)

Onboard PCI Audio Select - Jumper JP2

The AK74-SU system board uses the Creative ES1373 PCI audio chip. This jumper is used to enable or disable the PCI audio chip. By default, the PCI audio chip is enabled. If you wish to install an audio add-in card, please set this jumper to 2-3 On - disabled.

1-2 On:

Enable the Onboard

PCI Audio

(default)

2-3 On:

Disable the Onboard

PCI Audio

Hardware Installation

2.7 Ports and Connectors

2.7.1 Serial Ports

The system board is equipped with onboard serial ports (COM 1: J3 and COM 2: J5) - both in Teal/Turquoise color located at the ATX double deck ports of the board.

These ports are RS-232C asynchronous communication ports with 16C550A-compatible UARTs that can be used with modems, serial printers, remote display terminals, and other serial devices. You can set the serial ports I/O address in the Integrated Peripherals submenu of the BIOS.

2.7.2 PS/2 Mouse and PS/2 Keyboard Ports

The system board is equipped with an onboard PS/2 mouse (Green) and PS/2 keyboard (Purple) ports - both at location J1 of the ATX double deck ports. The PS/2 mouse port uses IRQ12. If a mouse is not connected to this port, the system will reserve IRQ12 for other expansion cards.

Warning:

Make sure to turn off your computer prior to connecting or disconnecting a mouse or keyboard. Failure to do so may damage the system board.

2.7.3 Parallel Port

The system board has a standard printer port (J4 - Burgundy) located at the ATX double deck ports of the board for interfacing your PC to a parallel printer. It supports Normal, ECP and EPP modes. You can set the ports mode in the Integrated Peripherals submenu of the BIOS.

Hardware Installation

Setting

Normal

ECP (Extended Capabilities Por t)

EPP (Enhanced Parallel Port)

Allows normal speed operation but in one direction only.

Allows parallel port to operate in bidirectional mode and at a speed faster than the SPPs data transfer rate.

Allows bidirectional parallel port operation at maximum speed.

Function

2.7.4 Floppy Disk Drive Connector

The system board is equipped with a shrouded floppy disk drive connector that supports two standard floppy disk drives. To prevent improper floppy cable installation, the shrouded floppy disk header has a keying mechanism. The 34-pin connector on the floppy cable can be placed into the header only if pin 1 of the connector is aligned with pin 1 of the header. You may enable or disable the onboard FDD controller in the Integrated Peripherals submenu of the BIOS.

Hardware Installation

Connecting the Floppy Disk Drive Cable

1. Install the 34-pin header connector of the floppy disk drive cable into the shrouded floppy disk header (J24) on the system board. The colored edge of the ribbon should be aligned with pin 1 of J24.

2. Install the other 34-pin header connector(s) into the disk drive(s). Align the colored edge of the daisy chained ribbon cable with pin 1 of the drive edge connector(s). The end-most connector should be attached to the drive you want to designate as Drive A.

2.7.5 IDE Disk Drive Connector

The system board is equipped with two shrouded PCI IDE headers that will interface four Enhanced IDE (Integrated Drive Electronics) disk drives. To prevent improper IDE cable installation, each shrouded PCI IDE header has a keying mechanism. The 40-pin connector on the IDE cable can be placed into the header only if pin 1 of the connector is aligned with pin 1 of the header. You may enable or disable the onboard primary or secondary IDE controller in the Integrated Peripherals submenu of the BIOS.

Connecting the IDE Disk Drive Cable

1. If you are connecting two IDE disk

drives, install the 40-pin connector of the IDE cable into the primary shrouded IDE header (J21). If you are adding a third or fourth IDE device, install the 40-pin connector of the other IDE cable into the secondary shrouded IDE header (J25).

Hardware Installation

2. Install the other 40-pin header connector(s) into the device with the colored edge of the ribbon cable aligned with pin 1 of the drive edge connector(s).

Note:

Refer to your disk drive users manual for information about selecting proper drive switch settings.

Adding a Second IDE Disk Drive

When using two IDE drives, one must be set as the master and the other as the slave. Follow the instructions provided by the drive manufacturer for setting the jumpers and/or switches on the drives.

The system board supports Enhanced IDE or ATA-2, ATA/33 or ATA/66 hard drives. We recommend that you use hard drives from the same manufacturer. In a few cases, drives from two different manufacturers will not function properly when used together. The problem lies in the hard drives, not the system board.

Important:

If you encountered problems while using an ATAPI CD-ROM drive that is set in Master mode, please set the CD-ROM drive to Slave mode. Some ATAPI CD-ROMs may not be recognized and cannot be used if incorrectly set in Master mode.

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