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AOpen AX4B-533 Online Manual

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AX4B-533 / AX4B-533N
DOC. NO.: AX4B533N-OL-E0203A
1

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Summary of Contents for AOpen AX4B-533

  • Page 1: W H A T ' S I N T H I S M A N U A L

    AX4B-533 / AX4B-533N DOC. NO.: AX4B533N-OL-E0203A...

  • Page 2: Table Of Contents

    ’ ’ AX4B-533 / AX4B-533N........................1 What’s in this manual ..............................2 You Must Notice ................................9 Before You Start ................................10 Overview ..................................11 Feature Highlight................................12 Quick Installation Procedure ............................16 Motherboard Map ................................17 Block Diagram................................18 Hardware Installation........................
  • Page 3 DIMM Sockets ................................31 Front Panel Connector ..............................33 ATX Power Connector ..............................34 AC Power Auto Recovery .............................. 35 IDE and Floppy Connector ............................36 IrDA Connector ................................38 AGP Expansion Slot ..............................39 AGP Protection Technology............................40 WOM (Zero Voltage Wake on Modem) Connector......................41 WOM by External BOX Modem .............................
  • Page 4 Super 5.1 Channel Audio Effect ............................ 53 Front Audio Connector ..............................54 Dr. LED Connector ................................ 55 Battery-less and Long Life Design ..........................57 Over-current Protection ..............................58 Hardware Monitoring ..............................59 Resettable Fuse ................................60 3300µF Low ESR Capacitor ............................61 Layout (Frequency Isolation Wall) ..........................
  • Page 5 AC97 ..................................... 88 ACPI (Advanced Configuration & Power Interface) ....................... 88 AGP (Accelerated Graphic Port) ........................... 88 AMR (Audio/Modem Riser)............................89 AOpen Bonus Pack CD ..............................89 APM (Advanced Power Management)........................... 89 ATA (AT Attachment) ..............................89 ATA/66 ..................................89 ATA/100 ..................................
  • Page 6 CNR (Communication and Networking Riser)........................ 91 CODEC (Coding and Decoding) ............................ 91 DDR (Double Data Rated) SDRAM ..........................91 DIMM (Dual In Line Memory Module) ..........................91 DMA (Direct Memory Access)............................92 ECC (Error Checking and Correction) ........................... 92 EDO (Extended Data Output) Memory .......................... 92 EEPROM (Electronic Erasable Programmable ROM)....................
  • Page 7 PC-133 DIMM ................................96 PC-1600 or PC-2100 DDR DRAM ..........................96 PCI (Peripheral Component Interface) Bus ........................96 PDF Format................................... 96 PnP (Plug and Play) ..............................97 POST (Power-On Self Test) ............................97 RDRAM (Rambus DRAM) ............................. 97 RIMM (Rambus Inline Memory Module) ........................97 SDRAM (Synchronous DRAM) ............................
  • Page 8 Product Registration ......................... 108 How to Contact Us ........................109...

  • Page 9: You Must Notice

    All of the specifications and information contained in this manual are subject to change without notice. AOpen reserves the right to revise this publication and to make reasonable changes. AOpen assumes no responsibility for any errors or inaccuracies that may appear in this manual, including the products and software described in it.

  • Page 10: Before You Start

    This Online Manual will introduce you how this product is installed. All useful information will be described in later chapters. Please keep this manual carefully for future upgrades or system configuration changes. This Online Manual is saved in format, we recommend using Adobe Acrobat Reader 4.0 for online viewing, it is included in Bonus CD disc or you can get free download from...

  • Page 11: Overview

    ® Thank you for choosing AOpen AX4B-533 / AX4B-533N motherboard. AX4B-533 / AX4B-533N is Intel Socket 478 motherboard ® (M/B) based on the ATX form factor featuring the Intel 845E (Brookdale) chipset. As high performance chipset built in the M/B, ®...

  • Page 12: Feature Highlight

    1056MB/s. AX4B-533 / AX4B-533N motherboard includes one 1.5V AGP expansion slot with 4x SBA/Data Transfer and 2x/4x Fast Write capability. For AD and SBA signaling, AX4B-533 / AX4B-533N motherboard can support...
  • Page 13 33/66/100, PIO Modes 3 and 4 and Bus Master IDE DMA Mode 5. Besides, they also support Enhanced IDE devices. On-board AC’97 Sound AX4B-533 / AX4B-533N implements ALC650 AC97 sound chip. This on-board audio supports 5.1 channel and includes a complete audio recording and playback system.
  • Page 14 Watch Dog Timer Includes AOpen “Watch Dog Timer” function that can auto-reset system in 4.8 seconds when you fail to system overclocking. Six USB ports There are two connectors on the back panel and two USB headers on the board, providing you a total of six ports for USB interface devices, such as mouse, keyboard, modem, scanner, etc.
  • Page 15 Hardware Monitoring Management Supports CPU or system fans’ status, temperature, voltage monitoring and alert through the on-board hardware monitor module. Enhanced ACPI ® The fully implemented ACPI standard is Windows 98/ME/2000 series compatible; it also supports Soft-Off, STR (Suspend to RAM, S3), STD (Suspend to Disk, S4) features.

  • Page 16: Quick Installation Procedure

    This page gives you a quick procedure on how to install your system. Follow each step accordingly. Installing CPU and Fan Installing System Memory (DIMM) Connecting Front Panel Cable Connecting IDE and Floppy Cable Connecting ATX Power Cable Connecting Back Panel Cable Power-on and Load BIOS Setup Default Setting CPU Frequency Reboot...

  • Page 17: Motherboard Map

    INTEL 8256ET LAN Chip (for AX4B-533N) Motherboard Map Front Audio Connector CD-IN Connector Onboard AC’97 CODEC PC99 Colored Back Panel AUX-IN Connector Resettable Fuse S/PDIF Connector JP28 Keyboard/Mouse Wakeup Jumper ATX Power Connector 4-pin 12V ATX Power CNR Expansion Slot Connector 3300μF Low ESR Capacitors...

  • Page 18: Block Diagram

    PC-200/266 DDR SDRAM Up to 2GB 32-bit PCI Slot x6 DIMM Socket x3 Socket 478 400MHz/533 MHz Intel System Bus Pentium 4 PCI Bus Intel 845E Primary ATA 33/66/100 Channel IDE Drive x4 Secondary AGP 4X Slot Channel AC97 Intel ICH4 CODEC AC Link USB Port...

  • Page 19: Hardware Installation

    This chapter describes jumpers, connectors and hardware devices of this motherboard. Note: Electrostatic discharge (ESD) can damage your processor, disk drives, expansion boards, and other components. Always observe the following precautions before you install a system component. Do not remove a component from its protective packaging until you are ready to install it. Wear a wrist ground strap and attach it to a metal part of the system unit before handling a component.

  • Page 20: About "Optional" And "Upgrade Optional

    “Optional” for you to choose. With optional functions that can be upgraded by users, we define them “Upgrade Optional”. As for those optional functions that can’t be upgraded by ourselves, we call them “Optional”. If needed, you can contact our local distributors or resellers for purchasing “Upgrade Optional” components, and again you are welcomed to visit AOpen official web site: www.aopen.com...

  • Page 21: Jp14 Clear Cmos Data

    You can clear CMOS to restore system default setting. To clear the CMOS, follow the procedure below. Turn off the system and unplug the AC power. Remove ATX power cable from connector PWR2. Locate JP14 and short pins 2-3 for a few seconds. Return JP14 to its normal setting by shorting pin1 &...
  • Page 22 ® This motherboard supports Intel Pentium 4 Socket 478 series CPU (Brookdale). Be careful of CPU orientation when you plug it into CPU socket. 2. Locate Pin 1 in the socket and look for a cut edge on the CPU upper 1.

  • Page 23: Cpu Installation

    3. Press down the CPU socket lever and finish Note: If you do not match the CPU CPU installation. socket Pin 1 and CPU cut edge well, you may damage the CPU. CPU cut edge Note: This socket supports Micro-FC-PGA2 package CPU, the latest CPU package developed by Intel.
  • Page 24 This motherboard comes with a retention module attached on the CPU socket when shipped; we strongly recommend you to install AOpen special designed CPU Fan as shown below for better heat dissipation. Please install the CPU Fan according to the following procedures.

  • Page 25: Cpu Jumper-Less Design

    CPU VID signal and SMbus clock generator provide CPU voltage auto-detection and allows the user to set the CPU frequency through the BIOS setup, therefore no jumpers or switches are used. The disadvantages of the Pentium based jumper-less designs are eliminated. There will be no worry of wrong CPU voltage detection. Clock Generator ®...
  • Page 26 ” “ ” AOpen provides a special and useful feature on this motherboard for overclockers. When you power-on the system, BIOS will check last system POST status. If it succeeds, the BIOS will enable “Watch Dog Timer” function immediately, and set the CPU frequency according to user’s settings stored in BIOS.

  • Page 27: Full-Range Adjustable Cpu Core Voltage

    Tip: If your system hangs or fails to boot because of Home overclocking, simply use <Home> key to restore the default setting or you can wait AOpen “Watch Dog Timer” to reset the system after five seconds and the system will auto-detect hardwares again.
  • Page 28 Core Frequency = CPU Clock * CPU Ratio PCI Clock = CPU FSB Clock / Clock Ratio Clock = PCI Clock x 2 Willamette CPU Core System Northwood CPU Core System Ratio Ratio Frequency Clock Frequency Clock Pentium 4 Pentium 4 1500MHz 100MHz 400MHz...

  • Page 29: Cpu And System Fan Connector (With H/W Monitoring)

    Plug in the CPU fan cable to the 3-pin CPU FAN connector. If you have chassis fan, you can also plug it on FAN2 or FAN3 connector. FAN2 Connector +12V SENSOR CPU Fan Connector Note: Some CPU fans do not have sensor pin, so that they cannot support hardware monitoring function.

  • Page 30: Jp28 Keyboard/Mouse Wake-Up Enable/Disable Jumper

    This motherboard provides keyboard / mouse wake-up function. You can use JP28 to enable or disable this function, which could resume your system from suspend mode with keyboard or mouse. The factory default setting is set to “Disable”(1-2), and you may enable this function by setting the jumper to 2-3. Pin1 JP28 KB/Mouse Wake-up...

  • Page 31: Dimm Sockets

    This motherboard has three 184-pin DDR DIMM sockets that allow you to install PC200 PC266 memory up to 2GB. Both ECC and Non-ECC DDR SDRAM are supported, but you can’t install them both on DIMM at the same time. Otherwise, serious damage on memory sockets or SDRAM module may be caused.
  • Page 32 Please follow the procedure as shown below to finish memory installation. Make sure the DIMM module’s pin face down and match the socket’s size as depicted below. Pin 1 52 pins 40 pins Insert the module straight down to the DIMM slot with both hands and press down firmly until the DIMM module is securely in place.

  • Page 33: Front Panel Connector

    Attach the power LED, Keylock, speaker, power and reset switch connectors to the corresponding pins. If you enable “Suspend Mode” item in BIOS Setup, the ACPI & Power LED will keep flashing while the system is in suspend mode. Locate the power switch cable from your ATX housing. It is 2-pin female connector from the housing front panel.

  • Page 34: Atx Power Connector

    This motherboard comes with a 20-pin and 4-pin ATX power connector. Make sure you plug in the right direction. We strongly recommend you to connect the 4-pin 12V ATX connector before connecting the 20-pin ATX power connector and use standard power supply specially designed for Pentium 4 system.

  • Page 35: Ac Power Auto Recovery

    A traditional ATX system remains at power off stage when AC power resumes from power failure. This design is inconvenient for a network server or workstation without an UPS. This motherboard implements an AC Power Auto Recovery function to solve this problem.

  • Page 36: Ide And Floppy Connector

    Connect 34-pin floppy cable and 40-pin, 80-wire IDE cable to floppy connector FDC and IDE connector. Be careful of the pin1 orientation. Wrong orientation may cause system damage. Secondary Secondary Master (3rd) Slave (4th) IDE2 (Secondary) IDE1 (Primary) ATA 33/66/100 IDE Connector Primary Primary...
  • Page 37 IDE1 is also known as the primary channel and IDE2 as the secondary channel. Each channel supports two IDE devices that make a total of four devices. In order to work together, the two devices on each channel must be set differently to Master and Slave mode.

  • Page 38: Irda Connector

    The IrDA connector can be configured to support wireless infrared module, with this module and application software such as Laplink or Windows 95 Direct Cable Connection, user can transfer files to or from laptops, notebooks, PDA devices and printers. This connector supports HPSIR (115.2Kbps, 2 meters) and ASK-IR (56Kbps). Install the infrared module onto the IrDA connector and enable the infrared function from BIOS Setup, UART Mode, make sure when you plug the IrDA connector in right orientation.

  • Page 39: Agp Expansion Slot

    The AX4B-533 / AX4B-533N provides an AGP 4x slot. AGP 1x2x4x is a bus interface targeted for high-performance 3D graphic. AGP supports memory read/write operation and single-master single-slave one-to-one only. It uses both rising and falling edge of the 66MHz clock, for 2X AGP, the data transfer rate is 66MHz x 4bytes x 2 = 528MB/s. AGP is now moving...

  • Page 40: Agp Protection Technology

    With the outstanding R&D ability of AOpen and its specially developed circuit, AX4B-533 / AX4B-533N implements a blend new technology to protect your motherboard from being damaged by over-voltaging of AGP card. When AGP Protection Technology is implemented, this motherboard will automatically detect the voltage of AGP card and prevent your chipsets from being burnt out.

  • Page 41: Wom (Zero Voltage Wake On Modem) Connector

    Pin 1 WOM Connector +5VSB...

  • Page 42: Wom By External Box Modem

    Serial Port (Modem Side) Pin 1 Serial Port (Motherboard Side) Note: This picture is for example only; it may not look exactly the same as the motherboard you purchased.

  • Page 43: Wom By Internal Modem Card

    Note: This picture is for example only; it may not look exactly the same as the motherboard you purchased.

  • Page 44: Wol (Wake On Lan)

    This feature is very similar as Wake On Modem, but it goes through local area network. To use Wake On LAN function, you must have a network card with a chipset supporting this feature, and connect a cable from LAN card to motherboard WOL connector. The system identification information (probably IP address) is stored on network card and because there is a lot of traffic on the Ethernet, you need to install network management software, such as ADM, for the checking of how to wake up the system.
  • Page 45 WOL Connector (Ethernet Card Side) WOL Connector (Motherboard Side) Note: This picture is for example only; it may not look exactly the same as the motherboard you purchased.

  • Page 46: Cnr (Communication And Network Riser) Expansion Slot

    is a riser card specification to replace the AMR (Audio/Modem Riser) that supports V.90 analog modem, multi-channel audio, and phone-line based networking. Owing to CPU computing power getting stronger, the digital processing job can be implemented in main chipset and share CPU power. The analogy conversion (CODEC) circuit requires a different and separate circuit design, which is put on CNR card.

  • Page 47: Pc99 Color Coded Back Panel

    The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, COM1 and COM2, Printer, USB, AC97 sound and game ports. The view angle of drawing shown here is from the back panel of the housing. LAN Connector SPP/EPP/ECP MIDI/Game Port (for AX4B-533N) Parallel Port PS/2 Mouse Connector...

  • Page 48: Support 2 Nd And

    This motherboard provides six ports to connect USB devices such as mouse, keyboard, modem, printer, etc. There are two connectors on the PC99 back panel. You can use proper cables to connect USB devices from PC99 back panel or connect USB2 and USB3 headers to the front panel of chassis.

  • Page 49: Chassis Intrusion Connector

    The “CASE OPEN” header provides chassis intrusion-monitoring function. To make this function works, you have to enable it in the system BIOS, connect this header to a sensor somewhere on the chassis. So, whenever the sensor is triggered by lights or by the opening of the chassis, the system will beep to inform you.

  • Page 50: Cd Audio Connector

    This connector is used to connect CD Audio cable from CDROM or DVD drive to onboard sound.

  • Page 51: Aux-In Connector

    This connector is used to connect MPEG Audio cable from MPEG card to onboard sound.

  • Page 52: S/Pdif (Sony/Philips Digital Interface) Connector

    S/PDIF (Sony/Philips Digital Interface) is a latest audio transfer file format that provides impressive quality through optical fiber and allows you to enjoy digital audio instead of analog. Normally there are two S/PDIF outputs as shown, one for RCA connector, the most common one used for consumer audio products, and the other for optical connector with a even better audio quality.

  • Page 53: Super 5.1 Channel Audio Effect

    This motherboard comes with an ALC650 Codec which supports high quality of 5.1 Channel audio effect, bringing you a brand new audio experience. On the strength of the innovative design of ALC650, you're able to use standard line-jacks for surround audio output without connecting any external module.

  • Page 54: Front Audio Connector

    If the housing has been designed with an audio port on the front panel, you’ll be able to connect onboard audio to front panel through this connector. By the way, please remove the jumper cap from the Front Audio Connector before you connect the cable. Do not remove this yellow jumper cap if your housing doesn’t have an audio port on the front panel.

  • Page 55: Dr. Led Connector

    Connecting Dr. LED you can easily find the system problems that may occur while assembling. It can clearly indicate whether the problem is caused from components or improper installation through 8 LED lights of Dr. LED on the front panel. That is to say you can diagnose your system status quickly.
  • Page 56 Dr. LED is a CD disc storage box with 8 LEDs on its front panel, the size of Dr. LED is exactly the same as 5.25 in floppy drive, so that it can be mount into normal 5.25 in drive bay of any housing. Boot O.K.

  • Page 57: Battery-Less And Long Life Design

    This Motherboard implements a Flash ROM and a special circuit that provide you no batter power consumption of current CPU and CMOS Setup configurations. The RTC (real time clock) can also keep running as long as the power cord is plugged. If you lose your CMOS data by accident, you can just reload the CMOS configurations from Flash ROM and the system will recover as usual.

  • Page 58: Over-Current Protection

    CPU, memory, HDD or add-on cards installed on this motherboard is damaged due to component failure, human operating error or other unknown natural reasons. AOpen cannot guarantee that the protection circuit will always work perfectly.

  • Page 59: Hardware Monitoring

    CPU temperature. If any of those systems’ status goes wrong, there will be an alarm through the chassis external speaker or buzzer of motherboard (if having this function and enabled) to warn the user. Fan Speed AOpen H/W Detection Monitoring...

  • Page 60: Resettable Fuse

    Traditional motherboard uses fuses to prevent Keyboard and port from over-current or shortage. These fuses are soldered onboard that when it is broken (function to protect motherboard), user cannot replace them and result in malfunction of motherboard. With expensive Resettable Fuse, the motherboard can be resumed back to normal function even after the fuse had done its protection job.

  • Page 61: 3300Μf Low Esr Capacitor

    CPU power. The idea of where to put these capacitors is another know-how that requires experience and detail calculation. Moreover, AX4B-533 / AX4B-533N implements 3300μF capacitors that have much larger capacity than normal capacitor (1000 and 1500μf) and provide better stability for CPU power.

  • Page 62: Layout (Frequency Isolation Wall)

    CPU are working in stable condition. The layout of this motherboard implements AOpen’s unique design called “Frequency Isolation Wall”. Separating each critical portion of motherboard into regions, where each region operates in a same or...

  • Page 63: Enlarged Aluminum Heatsink

    Cool down CPU and Chipset are important for system reliability. Enlarged aluminum heat sink provides better heat consumption especially when you are trying to over-clock the CPU.

  • Page 64: Driver And Utility

    There are motherboard drivers and utilities included in AOpen Bonus CD. You don’t need to install all of them in order to boot your system. But after you finish the hardware installation, you have to install your operation system first (such as Windows 98) before you can install any drivers or utilities.

  • Page 65: Auto-Run Menu From Bonus Cd Disc

    You can use the auto-run menu of Bonus CD disc. Choose the utility and driver and select model name.

  • Page 66: Installing Intel® Chipset Software Installation Utility

    ® ® Windows 95/98 cannot recognize this chipset, because they were released earlier than Intel 845 chipset. You can install Intel INF Update Utility from Bonus Pack CD auto-run menu to eliminate the “?” marks.

  • Page 67: Installing Intel Iaa Driver

    You can install Intel IAA Driver to increase the performance of software applications and reduce PC boot times. You can find it in AOpen Bonus Pack...

  • Page 68: Installing Lan Driver (For Ax4B-533N)

    Select "Display a list of all the drivers..." and click Next. driver manually. Insert the AOpen Bonus CD and click Have Disk. Enter the appropriate drive for your disk media (for example: D:\) ,and click OK. Click OK at the Select Device dialog box.
  • Page 69 This motherboard comes with RealTek ALC650 AC97 CODEC. This audio driver supports Windows 98SE and upper Windows OS; you can find the audio driver from the Bonus Pack CD disc auto-run menu.

  • Page 70: Installing Hardware Monitoring Utility

    You can install Hardware Monitoring Utility to monitor CPU temperature, fans and system voltage. The hardware monitoring function is automatically implemented by the BIOS and utility software. No hardware installation is needed.

  • Page 71: Installing Usb2.0 Driver

    This motherboard comes with USB2.0 function. You can install USB2.0 Driver under Windows 2000 and Windows XP from the Bonus Pack CD disc auto-run menu. Under Windows 2000 System After enabling the USB 2.0 controller and rebooting your system, Windows 2000 setup will show a "New Hardware Found" dialog box.
  • Page 72 Under Windows XP System After enabling the USB 2.0, Windows XP setup will show a "Found New Hardware" dialog box. Under Windows XP, "Universal Serial Bus (USB) Controller" will be displayed. Click "Next," and from the generated list box, choose "Install from a list or special location (Advanced)", click "Next" Click "Next,"...

  • Page 73: Acpi Suspend To Hard Drive

    ACPI Suspend to Hard Drive is basically controlled by Windows operation system. It saves your current work (system status, memory and screen image) to hard disk, and then the system can be totally powered off. Next time, when power is on, you can resume your original work directly from hard disk within few seconds without going through the Windows booting process and running your application again.

  • Page 74: System Requirement

    System Requirement AOZVHDD.EXE 1.30b or later. Delete config.sys and autoexec.bat. Fresh installation of Windows 98 on a new system 1. Execute "Setup.exe /p j" to install Windows 98 2. After Windows 98's installation is complete, go to the Control Panel > Power Management. a.
  • Page 75 Changing from APM to ACPI (Windows 98 only) 1. Run "Regedit.exe" a. Go through the following path HKEY_LOCAL_MACHINE SOFTWARE MICROSOFT WINDOWS CURRENT VERSION DETECT b. Select "ADD Binary" and name it as "ACPIOPTION". c. Right click and select Modify, add "01" after "0000" to make it "0000 01". d.
  • Page 76 4. Run "Add New Hardware" again and it will find "Advanced Power Management Resource". 5. Click "OK". Tip: Currently we found only ATI 3D Rage Pro AGP card would support ACPI suspend to disk. Please refer to AOpen web site for latest update.

  • Page 77: Acpi Suspend To Ram (Str)

    This motherboard supports ACPI Suspend to RAM function. With this function, you can resume your original work directly from DRAM without going through the Windows 98 booting process and run your application again. Suspend to DRAM saves your current work in the system memory, it is faster than Suspend to Hard Drive but requires power supplied to DRAM, while Suspend to Hard Drive requires no power.
  • Page 78 To implement ACPI Suspend to DRAM, please follow the procedures as below: System Requirement An ACPI OS is required. Currently, except Windows 95 and Windows NT, all other Windows Systems support ACPI. ® The Intel Chipset Software Installation Utility must have been installed properly. Procedures Changed the following BIOS settings.

  • Page 79: Award Bios

    BIOS provides critical low-level support for standard devices such as hard disk drives, serial and parallel ports. Most BIOS setting of AX4B-533 / AX4B-533N had been optimized by AOpen R&D engineering team. But, the default setting of BIOS still can’t fine-tune the chipset controlling entire system. Therefore, the rest of this chapter is intended to guide you through the process of configuring your system using setup.

  • Page 80: About Bios Function Description

    … AOpen always dedicates to give users a more friendly computer system. Now, we include all function descriptions of BIOS setup program into the BIOS Flash ROM. When you select one function of BIOS setup program, the function description will appeared at right side of screen.

  • Page 81: How To Use Award™ Bios Setup Program

    Award™ BIOS setup program. The following table provides details about how to use keyboard in the Award™ BIOS setup program. By the way, all products of AOpen also provides a special function in the BIOS setup, you can press <F3> key selecting preferred menu language to display.
  • Page 82 Description Load fail-save setting value from CMOS. Load turbo setting value from CMOS. Save changed setting and exit setup program.

  • Page 83: How To Enter Bios Setup

    After you finish jumper settings and connect correct cables, power on and enter the BIOS Setup. Press <Del> during POST (Power-On Self Test) and choose "Load Setup Defaults" for recommended optimal performance. Warning: Please avoid of using "Load Turbo Defaults", unless you are sure your system components (CPU, DRAM, HDD, etc.) are good enough for turbo setting.

  • Page 84: Bios Upgrade Under Windows Environment

    With outstanding R&D ability of AOpen, we now bring you a whole new BIOS Flash wizard ---- EZWinFlash. With an eye to users convenience, EZWinFlash combines the BIOS binary code and flash module together, so the only thing you have to do is just clicking on the utility you downloaded from web and let it help you complete the flash process automatically.
  • Page 85 1. Download the new version of BIOS package file from AOpen official web site. (ex: http://www.aopen.com) 2. Unzip the download BIOS package (ex: WAX4B533102.ZIP) with WinZip (http://www.winzip.com) in Windows environment.

  • Page 86: Overclocking

    As a leading manufacturer in motherboard industry, AOpen always listens to what customers want and develop products to fit different user's requirements. Reliability, compatibility, leading technology and friendly features are our basic goals when designing motherboards. Other than above mentioned design criteria, there are power users who are always seeking to push the limitation of the system performance by overclocking which we call them "Overclocker".

  • Page 87: Vga Card & Hard Disk

    VGA and HDD is key components for overclocking, for your reference, the following list are what have been successful overclocked in our lab. Please note that AOpen can not guaranty they can be successful overclocked again. Please check the Available Vendor List (AVL) by link to our official website.

  • Page 88: Glossary

    AGP uses both rising and falling edge of the 66MHz clock, for 2X AGP, the data transfer rate is 66MHz x 4byte x 2 = 528MB/s. AGP is now moving to 4X mode, 66MHz x 4byte x 4 = 1056MB/s. AOpen is the...

  • Page 89: Amr (Audio/Modem Riser)

    Unlike ACPI, BIOS controls most APM power management functions. AOpen Suspend to Hard Drive is a good example of APM power management. ATA is the specification of diskette interface. In 80’s, many software and hardware manufacturers instituted the ATA specification together.

  • Page 90: Ata/100

    ATA/100 is a new IDE specification under developing. ATA/100 uses both rising edge and falling edge as ATA/66 but clock cycle time is reduced to 40ns. The data transfer rate is (1/40ns) x 2 bytes x 2 = 100MB/s. To use ATA/100, you need special 80-wire IDE cable, the same as ATA/66.

  • Page 91: Cnr (Communication And Networking Riser)

    The CNR specification provides the PC industry the opportunity to deliver a flexible and cost reduced method of implementing LAN, home networking, DSL, USB, wireless, audio and modem subsystems widely used in today's "connected PCs". The CNR specification is an open industry specification and is supported by OEMs, IHV card manufacturers, silicon supplier and Microsoft.

  • Page 92: Dma (Direct Memory Access)

    Channel for communications between the memory and surrounding devices. The ECC mode needs 8 ECC bits for 64-bit data. Each time memory is accessed; ECC bits are updated and checked by a special algorithm. The ECC algorithm has the ability to detect double-bit error and automatically correct single-bit error while parity mode can only detect single-bit error.

  • Page 93: Eprom (Erasable Programmable Rom)

    Traditional motherboard stores BIOS code in EPROM. EPROM can only be erased by ultra-violet (UV) light. If BIOS has to be upgraded, you need to remove EPROM from motherboard, clear by UV light, re-program, and then insert back. EV6 Bus in the technology of Alpha processor from Digital Equipment Corporation. EV6 bus uses both rising and falling clock edge to transfer data, similar as DDR SDRAM or ATA/66 IDE bus.

  • Page 94: Flash Rom

    Flash ROM can be re-programmed by electronic signals. It is easier for BIOS to upgrade by a flash utility, but it is also easier to be infected by virus. Because of increase of new functions, BIOS size is increased from 64KB to 256KB (2M bit). AOpen AX5T is the first board to implement 256KB (2Mbit) Flash ROM.

  • Page 95: Ieee 1394

    IEEE 1394 is a low-cost digital interface originated by Apple Computer as a desktop LAN and developed by the IEEE 1394 working group. The IEEE 1394 can transport data at 100, 200 or 400 Mbps. One of the solutions to connect digital television devices together at 200 Mbps.

  • Page 96: Dimm

    SDRAM DIMM that supports 100MHz CPU bus clock. SDRAM DIMM that supports 133MHz CPU bus clock. Based on FSB frequency, the DDR DRAM has 200MHz and 266MHz two type of working frequency. Because of DDR DRAM data bus is 64-bit, it provides data transfer bandwidth up to 200x64/8=1600MB/s, and 266x64/8=2100MB/s. Hence, the PC-1600 DDR DRAM is working with 100MHz and PC-2100 DDR DRAM is working with 133MHz FSB frequency.

  • Page 97: Pnp (Plug And Play)

    The PnP specification suggests a standard register interface for both BIOS and operating system (such as Windows 95). These registers are used by BIOS and operating system to configure system resource and prevent any conflicts. PnP BIOS or operating system will automatically allocate the IRQ/DMA/Memory. Currently, almost all the PCI cards and most ISA cards are already PnP compliant.

  • Page 98: Sdram (Synchronous Dram)

    SDRAM comes in 64-bit 168-pin DIMM and operates at 3.3V. AOpen is the first company to support dual-SDRAM DIMMs onboard (AP5V), from Q1 1996 A memory space in Flash-ROM to simulate E PROM operation, AOpen motherboard uses Shadow E...

  • Page 99: Spd (Serial Presence Detect)

    SPD is a small ROM or EEPROM device resided on the DIMM or RIMM. SPD stores memory module information such as DRAM timing and chip parameters. SPD can be used by BIOS to decide best timing for this DIMM or RIMM. Ultra DMA (or, more accurately, Ultra DMA/33) is a protocol for transferring data between a hard disk drive through the computer’s data path (or bus) to the computer’s random access memory (RAM).

  • Page 100: Vcm (Virtual Channel Memory)

    NEC’s Virtual Channel Memory (VCM) is a new DRAM core architecture that dramatically improves the memory system’s ability to service multimedia requirements. VCM increases memory bus efficiency and performance of any DRAM technology by providing a set of fast static registers between the memory core and I/O pins. Using VCM technology results in reduced data access latency and reduced power consumption.

  • Page 101: Troubleshooting

    If you encounter any trouble to boot you system, follow the procedures accordingly to resolve the problem. Start Turn off the power and unplug the AC power cable, then remove all of the add-on cards and cables, including VGA, IDE, FDD, COM1, COM2 and printer. Make sure if all jumper settings are correct.
  • Page 102 Continue Install the VGA card. Then connect your monitor and keyboard. Turn on the power and check if the power supply and CPU fan work properly. The problem is probably caused by power supply or motherboard failure. Next Please contact your reseller or local distributor for repairing.
  • Page 103 Continue Perhaps your VGA card Check if there is display? or monitor is defective. Press <Ctrl> and <Alt> key at the same time, hold them and then press <Del> to reboot the system. It is very possible that your Check if the system keyboard is defective.
  • Page 104 Continue During system rebooting, press <Del> to enter BIOS setup. Choose “Load Setup Default”. Turn off the system and re-connect IDE cable. The problem should be Check if the system can caused reboot successfully? cable or HDD itself. Re-install the operating system such as Windows 98.

  • Page 105: Technical Support

    Dear Customer, Thanks for choosing AOpen products. To provide the best and fastest service to our customer is our first priority. However, we receive numerous emails and phone-calls worldwide everyday, it is very hard for us to serve everyone on time. We recommend you follow the procedures below and seek help before contact us.
  • Page 106 5 5 5 5 News Group: News posted by computer experts. You are welcome to join any discussion. http://www.aopen.com/tech/newsgrp/default.htm 6 6 6 6 6 6 6 6 Contact Distributors/Resellers: We sell our products through resellers and integrators. They should know your system configuration very well and should be able to solve your problem more efficiently than us.
  • Page 107 Model name and BIOS version can be found on upper left corner of first boot screen (POST screen). For example: AX4B-533N R1.20 Mar. 01.2002 AOpen Inc. Award Plug and Play BIOS Extension v1.0A Copyright ©2002, Award Software, Inc. AX4B-533N is model name of motherboard; R1.20 is BIOS version.
  • Page 108 Be able to join the discussions of web-based news groups. AOpen makes sure that the information you provide is encrypted, so that it cannot be read or intercepted by other people or companies. Further, AOpen will not disclose any of information you submitted under any conditions. Please consult our...
  • Page 109 Pacific Rim Europe America AOpen Inc. AOpen Computer b.v. AOpen America Inc. Tel: 886-2-3789-5888 Tel: 31-73-645-9516 Tel: 1-408-922-2100 Fax: 886-2-3789-5399 Fax: 31-73-645-9604 Fax: 1-408-922-2935 China Germany Japan 艾尔鹏国际上海(股)有限公司 AOpen Japan Inc. AOpen Computer GmbH. Tel: 81-048-290-1800 Tel: 86-21-6225-8622 Tel: 49-2102-157700...

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