Page 1: Mk73Le
MK73LE DOC. NO.: MK73LE-OL-E0201C...
Page 2: Table Of Contents
’ ’ MK73LE ....................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 Hardware Installation ................18 JP14 Clear CMOS Data...................... 19 CPU Installation .........................
Page 3 DIMM Socket ........................28 Front Panel Connector .......................29 ATX Power Connector ......................31 AC Power Auto Recovery ....................32 IDE and Floppy Connector ....................33 IrDA Connector........................36 WOM (Zero Voltage Wake on Modem) Connector .............. 37 WOL (Wake on LAN) ......................40 CNR Expansion Slot ......................
Page 4 Battery-less and Long Life Design..................50 Over-current Protection ...................... 51 Hardware Monitoring ......................53 Resettable Fuse ......................... 54 Year 2000 (Y2K) ......................... 55 Low ESR Capacitor ......................57 Layout (Frequency Isolation Wall) ..................59 Driver and Utility ..................60 Autorun Menu from Bonus CD Disc ..................61 Installing Windows 95......................
Page 5 VGA Card & Hard Disk ....................... 87 Glossary ....................88 AC97 ..........................88 ACPI (Advanced Configuration & Power Interface)............. 88 AGP (Accelerated Graphic Port)..................89 AMR (Audio/Modem Riser) ....................89 AOpen Bonus Pack CD ...................... 89 APM (Advanced Power Management) ................90...
Page 6 ATA (AT Attachment) ......................90 ATA/66..........................90 ATA/100..........................90 BIOS (Basic Input/Output System) ..................91 Bus Master IDE (DMA mode) ..................... 91 CNR (Communication and Networking Riser) ..............91 CODEC (Coding and Decoding) ..................92 DIMM (Dual In Line Memory Module) ................. 92 ECC (Error Checking and Correction) ................
Page 7 FSB (Front Side Bus) Clock ....................95 C Bus ..........................95 IEEE 1394 .......................... 96 Parity Bit..........................96 PBSRAM (Pipelined Burst SRAM) ..................97 PC-100 DIMM........................97 PC-133 DIMM........................97 PCI (Peripheral Component Interface) Bus ................ 97 PDF Format ........................98 PnP (Plug and Play) ......................
Page 8 SMBus (System Management Bus) .................. 100 SPD (Serial Presence Detect) ..................101 UltraATA ........................... 101 USB (Universal Serial Bus) ....................102 VCM (Virtual Channel Memory) ..................102 ZIP file ..........................102 Troubleshooting .................103 Technical Support ................107 Product Registration ................111...
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 to the user 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...
Page 11: Overview
Thank you very much for choosing AOpen MK73LE. It is an ® Socket 462 motherboard based on the Micro ATX form factor featuring the VIA KLE133 chipset. As high performance chipset built in the M/B, the MK73LE supports ® both AMD Socket 462 series Athlon™...
Page 12: Feature Highlight
CPU, DRAM, AGP bus and PCI bus. Expansion Slots Including three 32-bit / 33MHz PCI and CNR slots. The PCI local bus throughput can be up to 132MB/s. The CNR (Communication and Networking Riser) slot provided by MK73LE can support Audio/Modem card CNR interface.
Page 13 Memory The MK73LE supports both PC100 and PC133 SDRAM, which allows zero wait state bursting between the DRAM and the data buffers at 100/133MHz. The two banks of DIMM slots can be composed of an arbitrary mixture of 1M/2M/4M/8M/16M/32MxN DRAMs. The DRAM controller can run at either the host CPU bus frequency (66/100/133MHz) or pseudo-synchronous to the CPU bus frequency.
Page 14 Hardware Monitoring Management Supports CPU or system fans status, temperature, voltage monitoring and alert through the on-board hardware monitor module and AOpen Hardware Monitoring Utility. Enhanced ACPI ® Fully implements the...
Page 15 Super Multi-I/O Provides two high-speed UART compatible serial ports and one parallel port with EPP and ECP capabilities. UART2 can also be directed from COM2 to the Infrared Module for the wireless connections.
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
Motherboard Map MODEM-CN Connector (Red) AUX-IN Connector (Green) PC99 Colored Back Connector Onboard AC’97 CODEC CD-IN Connector (Black) 32-bit PCI Slot x3 Resettable Fuse WOM Connector (Wake On MODEM) Low ESR Capacitors CNR Expansion Slot WOL Connector (Wake On LAN) 462-pin CPU Socket Creative CT5880 Audio Supports 200MHz FSB...
Page 18: 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.
Page 19: Jp14 Clear Cmos Data
You can clear CMOS to restore system default setting. To clear the CMOS, follow the procedure below. 1. Turn off the system and unplug the AC power. 2. Remove ATX power cable from connector PWR2. 3. Locate JP14 and short both pin 2 and pin 3 for a few seconds.
Page 20: Cpu Installation
® This motherboard supports AMD Athlon and Duron Socket 462 CPU. Beware of CPU orientation when you plug it into CPU socket. Pull CPU socket lever and up to 90-degree angle. Locate Pin 1 on the socket and look for a black dot or cut edge on the CPU upper left.
Page 21: Jp21 Adjust Fsb/Pci Clock
This jumper is used to define the relationship between PCI and clock. Generally speaking, if you are not an overclocker, we recommend you to remain the default setting. FSB=100MHz FSB=133MHz (Default) Pin 1 JP21 FSB Select Jumper...
Page 22 PCI Clock = CPU FSB Clock / Clock Ratio Clock Ratio CPU (Host) Memory PCI x3 or x4 3X (Overclocking) 37.3 PCI x3 or x4 PCI x3 or x4 Warning: VIA KLE133 chipset supports maximum 200MHz FSB, but higher clock setting may cause serious system damage.
Page 23 Core Frequency = CPU Clock * CPU Ratio Home Tip: If your system hangs or fails to boot because of overclocking, simply use <Home> key to restore the default setting. CPU Core EV6 Bus Ratio Frequency Clock Athlon 600 600 MHz 200MHz Athlon 650 650 MHz...
Page 24 Duron 750 750 MHz 200MHz 7.5x Duron 800 800 MHz 200MHz Duron 850 850 MHz 200MHz 8.5x Duron 900 900 MHz 200MHz Duron 950 950 MHz 200MHz 9.5x Note: It is not recommended to install those CPUs higher than 1 GHz on this motherboard. Warning: KLE133 chipset...
Page 25: Cpu Jumper-Less Design
CPU VID signal and SMbus clock generator provide CPU voltage auto-detection and allow users to set CPU frequency through the BIOS setup, therefore no jumpers or switches are used. Because the CPU information has been saved to BIOS, you will never worry about losing CMOS due to battery running out and wrong CPU voltage detection.
Page 26: Setting Cpu Core Voltage
This motherboard supports CPU VID function. The CPU core voltage will be automatically detected. It is not necessary to set CPU Core Voltage.
Page 27: Cpu And Housing Fan Connector (With H/W Monitoring)
Plug in the CPU fan cable to the 3-pin CPUFAN connector. If you have a housing fan, you can also plug it in FAN2 connector. CPUFAN SENSOR +12V Note: Some CPU fans do not have sensor pins; therefore, they cannot support fan monitoring.
Page 28: Dimm Socket
This motherboard has two 168-pin DIMM sockets that allow you to install PC100 PC133 memory up to 1.0GB. DIMM1 DIMM2...
Page 29: Front Panel Connector
Attach power LED, EMPI, speaker, powe reset switch connectors 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.
Page 30 Suspend Type ACPI LED Power on Suspend (S1) Flashing every second Suspend to RAM (S3) or Suspend to Disk (S4) The LED will be turned off...
Page 31: Atx Power Connector
The ATX power supply uses 20-pin connector shown below. Make sure you plug it in the right direction. PW-OK +3.3V 5VSB +3.3V +12V +3.3V -12V PS-ON...
Page 32: Ac Power Auto Recovery
A traditional ATX system remains power-off stage when AC power resumes from power failure. This design is inconvenient for a network server or workstation, without an UPS, that always needs to keep power-on. This motherboard implements an AC Power Auto Recovery function to solve this problem.
Page 33: Ide And Floppy Connector
Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDC and IDE connector. The blue connector is IDE1 for clear identification. Beware of the pin1 orientation. Wrong orientation may cause system damage. Primary Primary Master (1st) Slave (2nd) IDE1 (Primary) IDE2 (Secondary) Pin 1...
Page 34 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 respectively to Master and Slave mode. Either one can be the hard disk or the CDROM.
Page 35 This motherboard supports Ultra ATA33, ATA66 ATA100 IDE devices. Following table lists the transfer rate of IDE PIO and DMA modes. The IDE bus is 16-bit, which means every transfer is two bytes. Mode Clock Period Clock Cycle Time Data Transfer Rate Count PIO mode 0 30ns...
Page 36: 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).
Page 37: Wom (Zero Voltage Wake On Modem) Connector
This motherboard implements special circuit to support Wake On Modem, both Internal modem card and external box modem are supported. Since Internal modem card consumes no power when system power is off, it is recommended to use an internal modem. To use internal modem, connect 4-pin cable from RING connector of modem card to the WOM connector on the motherboard.
Page 38 Traditional Green PC suspend mode does not really turn off the system power supply, it uses external box modem to trigger MB COM port and resume back to active. Serial Port (Modem Side) Pin 1 Serial Port (Motherboard Side)
Page 39 With the help of the ATX soft power On/Off, it is possible to have a system totally power off, and wakeup to automatically answer a phone call answering machine send/receive a fax. You may identify whether or not your system is in true power off mode by checking to see if the fan of your power supply is off.
Page 40: 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 chipset that supports 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 41 WOL Connector (Ethernet Card Side) WOL Connector (Motherboard Side) Note: Location of WOM connectors on both motherboard and modem card may be different from the illustration due to various motherboards and modem cards.
Page 42: Cnr Expansion Slot
(Communication and Network Riser) 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.
Page 43: Pc99 Color Coded Back Panel
The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, COM1 and 15-pin D-Sub connector, Printer, four USB, AC97 sound and game ports. The view angle of drawing shown here is from the back panel of the housing. SPP/EPP/ECP MIDI/Game Port Parallel Port PS/2 Mouse Connector...
Page 44: Com2 Connector
This motherboard provides two serial ports. One of them are on back panel connector, the other is on the up-middle area of this motherboard. With proper cable, you can connect it to the back panel of chassis. Pin 1 DCD# SOUT DTR# DSR#...
Page 45: Support 2 Nd Usb Port
This motherboard can support up to four USB ports. Two of them are built on the back panel, and one USB header on the motherboard can provide two more ports by connecting a proper USB cable. After connecting the USB header, please screw the bracket on the other end of USB cable to the back housing.
Page 46: Cd Audio Connector
This black connector is used to connect CD Audio cable from CDROM or DVD drive to onboard sound. CD-IN...
Page 47: Modem Audio Connector
This connector is used to connect Mono In/Mic Out cable from internal modem card to onboard sound circuit. The pin 1-2 is Mono In, and the pin 3-4 is Mic Out. Please note that there is no standard for this kind of connector yet, only some internal modem cards implement this connector.
Page 48: Aux-In Connector
This GREEN connector is used to connect MPEG Audio cable from MPEG card to onboard sound.
Page 49: Front Audio Connector
If the housing has been design with an audio port on the front panel, you’ll be able to connect onboard audio to front panel through this connector. Front Audio Connector Pin 1 FP_MIC FP_VREF PHONE_R PHONE_L...
Page 50: Battery-Less And Long Life Design
This Motherboard implements Flash ROM and a special circuit that allows you to save your current CPU and CMOS Setup configurations without the need of a battery. 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 51: Over-Current Protection
The Over Current Protection was very popular implemented on ATX 3.3V/5V/12V switching power supply. However, the new generation CPU uses different voltage that has regulator to transfer 5V to CPU voltage (for example, 2.0V), and makes 5V over current protection useless. This motherboard is with switching regulator onboard supports CPU over-current protection;...
Page 52 CPU, memory, HDD, add-on cards installed on this motherboard may be damaged because of component failure, human operating error or unknown nature reason. AOpen cannot guarantee the protection circuit will always work perfectly.
Page 53: Hardware Monitoring
This motherboard implements a hardware monitoring system. As you turn on your system, this smart design will continue to monitor your system’s working voltage, fan status and CPU temperature. If any of those systems’ status goes wrong, there will be an alarm through the AOpen Hardware Monitoring Utility to warn the user.
Page 54: Resettable Fuse
Traditional motherboard has fuse for Keyboard and port to prevent over-current or shortage. These fuses are soldered onboard that when it is broken (did the job to protect motherboard), user still cannot replace it and the motherboard is still malfunction. With expensive Resettable Fuse, the motherboard can back to normal function after fuse did the protection job.
Page 55: Year 2000 (Y2K)
Y2K is basically a problem of the identification of year code. To save storage space, traditional software uses only two digits for year identification. For example, 98 for 1998 and 99 for 1999, but 00 will be confused with 1900 and 2000. There is an RTC circuit (Real Time Clock) in conjunction with 128 bytes of CMOS RAM data in the chipset of the motherboard.
Page 56 CMOS is a very slow device that degrades system performance. The Tick Routine of the AOpen BIOS has 4 digits for year coding, as long as applications and the operating system follow the rule to get date/time information. There will be no Y2K problem (such as NSTL’s test program).
Page 57: Low Esr Capacitor
The quality of low ESR capacitor (Low Equivalent Series Resistance) is very important for the stability of CPU power especially during high frequency operation. The location of these capacitors requires well-experienced and precise calculation.
Page 58 The power circuit of the CPU core voltage must be checked to ensure system stability for high speed CPUs (such as the new Pentium III, or when overclocking). A typical CPU core voltage is 2.0V, so a good design should control voltage between 1.860V and 2.140V. That is, the transient must be below 280mV.
Page 59: Layout (Frequency Isolation Wall)
CPU 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...
Page 60: Driver And Utility
There are motherboard drivers and utilities included in AOpen Bonus CD disc. 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 61: Autorun Menu From Bonus Cd Disc
You can use the autorun menu of Bonus CD disc. Choose the utility and driver and select model name.
Page 62: Installing Windows 95
Install Windows 95 OSR2 v2.1, 1212 or 1214 version and later with USB support. Otherwise, you need to install USBSUPP.EXE. Install the VIA 4 in 1 driver, which includes VIA AGP Vxd driver, VIA ATAPI Vendor Support driver and VIA registry (INF) program. Finally, Install other add-on cards and their drivers.
Page 63: Installing Windows 98
Enable USB Controller in BIOS Setup > Advanced Chipset Features > OnChip USB, to make BIOS fully capable of controlling IRQ assignment. Install Window 98 into your system. Install the VIA 4 in 1 driver, which includes VIA AGP Vxd driver, IRQ Routing, VIA ATAPI Vendor Support driver and VIA registry (INF) program.
Page 64: Installing Windows 98 Se, Windows Me & Windows2000
& & ® ® ® If you are using Windows 98 Second Edition, Windows Millennium Edition or Windows 2000, you do not need to install the 4-in-1 driver as the IRQ Routing Driver and the ACPI Registry are ® already incorporated into the operating system. Users with Windows 98 SE may update the VIA Registry INF and AGP drivers by installing them individually.
Page 65: Installing Via 4 In 1 Driver
You can install the VIA 4 in 1 driver (IDE Bus master (For Windows NT use), VIA ATAPI Vendor Support Driver, VIA AGP, IRQ Routing Driver (For Windows 98 use), VIA Registry (INF) Driver) from the Bonus Pack CD disc Autorun menu. Note: Installing this Bus Master IDE driver may cause Suspend to Hard Drive failure.
Page 66: Installing Onboard Sound Driver
This motherboard comes with an AC97 CODEC and the sound controller is in VIA South Bridge chipset. You can find the audio driver from the Bonus Pack CD disc Autorun menu.
Page 67: Installing Onboard Creative Sound Driver (Optional)
This motherboard comes with an optional Creative CT5800 audio controller. If the motherboard you purchased has this built-in function, please install Creative Sound Driver in Autorun menu rather than VIA PCI Audio Driver.
Page 68: Installing Onboard Agp Driver
VIA KLE133 chipset integrates a 2D/3D graphics accelerator, which provides AGP 2X incredible performance to access main memory at over 1GB/s. You can find the AGP driver from the autorun menu of Bonus Pack CD.
Page 69: 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 70: 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) into hard disk, and then the system can be totally power off. Next time, when power is on, you can resume your original work directly from hard disk within few seconds without go through the Windows booting process and run your application again.
Page 71 When go into Suspend: System Hard Image & Disk Save into Status When power-on next time: System Hard Image & Disk Status Restore within seconds...
Page 72: 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 73 b. If you assign an individual partition for Win 98, please run "aozvhdd /c /partition". Of course, the system needs to provide unformatted an empty partition. 4. Reboot system. 5. You've already implemented ACPI Suspend to-Hard Drive. Click "Start > Shut Down > Standby"...
Page 74 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 75 Changing from ACPI to APM 1. Run "Regedit.exe" a. Go through the following path HKEY_LOCAL_MACHINE SOFTWARE MICROSOFT WINDOWS CURRENT VERSION DETECT ACPI OPTION b. Right click and select "Modify, change "01" to "02" to make it "0000 02". Tip: "02" means Windows 98 is ACPI acknowledged but the ACPI function is disabled.
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, Windows 98 is the only choice. Please refer to ACPI Suspend to Hard Drive of how to setup Windows 98 ACPI mode. The VIA 4 in 1 Driver must have been installed properly.
Page 79: Award Bios
System parameters can be modified by going into BIOS Setup menu, this menu allows you to configure the system parameters and save the configuration into the 128 byte CMOS area, (normally in the RTC chip or in the main chipset). To enter to BIOS setup menu, press <Del>...
Page 80: How To Use 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 81 Load turbo setting value from CMOS. Save changed setting and exit setup program. Note: 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 82: How To Enter Bios Setup
After you finish the setting of jumpers and connect correct cables. Power on and enter the BIOS Setup, press <Del> during POST (Power-On Self Test). 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 83: Bios Upgrade
By doing so, you are taking a risk of BIOS flash failure. If you insist on upgrading, PLEASE BE SURE to use the right BIOS revision for the right motherboard model. AOpen Easy Flash is a little different than traditional flash method. The BIOS...
Page 84 Below are the steps for easy flashing procedures: (applies for Award BIOS ONLY) 1. Download new BIOS upgrade file from AOpen's web site. For example, MK73LE102.ZIP. 2. Run shareware PKUNZIP (http://www.pkware.com/) which supports miscellaneous operation systems to extract the binary BIOS file and the flash utility.
Page 85: 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 86 Warning: The design of this product follows CPU and chipset vendor's design guideline. Any attempts to push beyond product specification are not recommended and you are taking your own risk to damage your system or important data. Before doing overclocking, you must make sure your components are able to tolerate such abnormal setting, especially CPU, DRAMs, hard disks, and AGP VGA cards.
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
Basically, AC97 specification separates sound/modem circuit to two parts, digital processor and CODEC for analogy I/O they are linked by AC97 link bus. Since digital processor can be put into motherboard main chipset, the cost of sound/modem onboard solution can be reduced. &...
Page 89: Agp (Accelerated Graphic Port)
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 first company to support 4X AGP motherboards by both AX6C (Intel 820) and MX64/AX64 (VIA 694x), started from Oct 1999.
Page 90: Apm (Advanced Power Management)
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. The AT is meaning International Business Machines Corporation (IBM) personal computer/AT’s bus structure.
Page 91: Bios (Basic Input/Output System)
BIOS is a set of assembly routine/program that reside in EPROM Flash ROM. BIOS controls Input/output devices and other hardware devices of motherboard. In general, to provide hardware independent portability, operation system and drivers is required to access BIOS without directly access hardware devices. The traditional PIO (Programmable I/O) IDE requires the CPU to involve in all the activities of the IDE access including waiting for the mechanical events.
Page 92: Codec (Coding And Decoding)
Normally, CODEC means a circuit that can do digital to analog conversion and also the analog to digital conversion. It is part of AC97 sound/modem solution. DIMM socket has total 168-pin and supports 64-bit data. It can be single or double side, the golden finger signals on each side of PCB are different, that is why it was called Dual In Line.
Page 93: Edo (Extended Data Output) Memory
The EDO DRAM technology is actually very similar to FPM (Fast Page Mode). Unlike traditional FPM that tri-states the memory output data to start the pre-charge activity, EDO DRAM holds the memory data valid until the next memory access cycle, that is similar to pipeline effect and reduces one clock state.
Page 94: Ev6 Bus
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. EV6 Bus Speed = CPU external bus clock x 2. For example, 200 MHz EV6 bus is actually using 100 MHz external bus clock, but the equivalent speed is 200 MHz.
Page 95: Flash Rom
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. Now flash ROM size is moving to 4M bit on AX6C (Intel 820) and MX3W (Intel 810) motherboard.
Page 96: 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. Serial Bus Management provides overall configuration control of the serial bus in the form of optimizing arbitration timing, guarantee of adequate electrical power for all devices on the bus, assignment of isochronous channel ID, and notification of errors.
Page 97: Pbsram (Pipelined Burst Sram)
For Socket 7 CPU, one burst data read requires four QWord (Quad-word, 4x16 = 64 bits). PBSRAM only needs one address decoding time and automatically sends the remaining QWords to CPU according to a predefined sequence. Normally, it is 3-1-1-1, total 6 clocks, which is faster than asynchronous SRAM.
Page 98: Pdf Format
A file format for electronic document, PDF format is independent from platform, you can read PDF file under Windows, Unix, Linux, Mac … with different PDF reader. You can also read PDF file by web browser such as IE and Netscape, note that you need to install PDF plug-in first (Included in Acrobat Reader).
Page 99: Rdram (Rambus Dram)
FPM are asynchronous and do not have clock signal). It is similar as PBSRAM to use burst mode transfer. 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...
Page 100: Shadow E 2 Prom
A memory space in Flash-ROM to simulate E PROM operation, AOpen motherboard uses Shadow E PROM for jumper-less and battery-less design SIMM socket is only 72-pin, and is only single side. The golden finger signals on each side of PCB are identical. That is why it was called Single In Line. SIMM is made by FPM or DRAM and supports 32-bit data.
Page 101: 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 decide best timing for this DIMM or RIMM. UltraATA (or, more accurately, UltraATA/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 102: Usb (Universal Serial Bus)
USB is a 4-pin serial peripheral bus that is capable of cascading low/medium speed peripherals (less than 10Mbit/s) such as keyboard, mouse, joystick, scanner, printer and modem. With USB, the traditional complex cables from back panel of your PC can be eliminated. NEC’s Virtual Channel Memory (VCM) is a new DRAM core architecture that dramatically improves the memory system’s ability to service multimedia requirements.
Page 103: Troubleshooting
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 Make sure if all jumper settings are correct. Clear CMOS Next...
Page 104 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 105 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 106 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 107: 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 108 FAQ: The latest FAQ (Frequently Asked Questions) may contain a solution to your problem. http://www.aopen.com/tech/faq/default.htm Download Software: Check out this table to get the latest updated BIOS/utility and drivers. http://www.aopen.com/tech/download/default.htm News Group: Your problem probably had been answered by our support engineer or professional users on the news group.
Page 109 Contact Us: Please prepare detail system configuration and error symptom before contacting us. The part number, serial number and BIOS version are also very helpful. The Part Number and Serial number are printed on bar code label. You can find this bar code label on the outside packing, on ISA/CPU slot or on component side of PCB.
Page 110 Model name and BIOS version can be found on upper left corner of first boot screen (POST screen). For example: MK73LE R1.00 Apr.01.2001 AOpen Inc. Award Plug and Play BIOS Extension v1.0A Copyright © 1998, Award Software, Inc. MK73LE is model name of motherboard, R1.00 is BIOS version.
Page 111: Product Registration
Thank you for choosing AOpen product. AOpen encourages you to spend few minutes in completing the following product registration. To register your product will ensure the high quality of services from AOpen. After the registration, you will: Have opportunities to play online slot machine and win a prize from AOpen by accumulating your bonuses for later prize exchange.
Page 112 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.
Page 113 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 Japan China Germany AOpen Japan Inc. AOpen Computer GmbH. 艾尔鹏国际上海(股)有限公司 Tel: 86-21-6225-8622 Tel: 49-2102-157700 Tel: 81-048-290-1800...

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