Related Manuals for AOpen AX4BS Pro
Summary of Contents for AOpen AX4BS Pro
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Page 1: Ax4Bs Pro / Ax4Bs-V
AX4BS Pro / AX4BS-V DOC. NO.: AX4BSV-OL-E0109B... -
Page 2: Table Of Contents
JP14 Clear CMOS Data ..............................21 CPU Installation ................................22 CPU Fan Installation ..............................24 CPU Jumper-less Design .............................. 25 Full-range Adjustable CPU Core Voltage (AX4BS Pro Only) ..................26 AOpen “Watch Dog Timer” ............................27 Setting CPU Core Voltage ............................. 28... - Page 3 CPU and Housing Fan Connector (with H/W Monitoring) ....................31 DIMM Socket................................. 32 Front Panel Connector ..............................34 ATX Power Connector ..............................35 AC Power Auto Recovery .............................. 36 JP28 Keyboard/Mouse Wake-up Enable/Disable Jumper....................37 JP30 Die-Hard BIOS (100% Virus Protection) (Optional) ....................38 IDE and Floppy Connector ............................
- Page 4 Modem Audio Connector ............................... 52 AUX-IN Connector ................................ 53 Front Audio Connector ..............................54 Dr. LED Connector ................................ 55 Dr. Voice Connector (AX4BS Pro Only)......................... 58 GPO (General Purpose Output) Connector ........................59 Battery-less and Long Life Design ..........................60 Over-current Protection ..............................61 Hardware Monitoring ..............................
- Page 5 AC97 ..................................... 87 ACPI (Advanced Configuration & Power Interface) ....................... 87 AGP (Accelerated Graphic Port) ........................... 87 AMR (Audio/Modem Riser)............................88 AOpen Bonus Pack CD ..............................88 APM (Advanced Power Management)........................... 88 ATA (AT Attachment) ..............................88 ATA/66 ..................................88...
- Page 6 BIOS (Basic Input/Output System) ..........................89 Bus Master IDE (DMA mode) ............................89 CNR (Communication and Networking Riser)........................ 89 CODEC (Coding and Decoding) ............................ 90 DDR (Double Data Rated) SDRAM ..........................90 DIMM (Dual In Line Memory Module) ..........................90 DMA (Direct Memory Access)............................
- Page 7 PBSRAM (Pipelined Burst SRAM)..........................94 PC-100 DIMM ................................94 PC-133 DIMM ................................94 PC-1600 or PC-2100 DDR DRAM ..........................95 PCI (Peripheral Component Interface) Bus ........................95 PDF Format................................... 95 PnP (Plug and Play) ..............................95 POST (Power-On Self Test) ............................96 RDRAM (Rambus DRAM) .............................
- Page 8 Troubleshooting......................... 100 Technical Support ........................104 Product Registration ......................... 107 How to Contact Us ........................108...
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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 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 AX4BS Pro / AX4BS-V motherboard. This motherboard is Intel Pentium 4 ® (Willamette/Northwood) motherboard (M/B) based on the ATX form featuring the Intel 845 (Brookdale) chipset. With a high ® ® performance chipset built in the M/B, this motherboard can support Intel... -
Page 12: Feature Highlight
The AGP video cards support data transfer rate up to 1066MB/s. As AX4BS Pro / AX4BS-V motherboard includes one AGP expansion slot for a bus mastering AGP graphic card. For AD and SBA signaling, AX4BS Pro / AX4BS-V can support 133MHz 2X/4X mode. - Page 13 Provides “1MHz Stepping Frequency Adjustment” function in the BIOS. This magic function allows you adjust CPU frequency from 100~248MHz by 1MHz stepping adjustment, and lets your system can get maximum performance. Watch Dog Timer Includes AOpen “Watch Dog Timer” function that can auto-reset system in 4.8 seconds when you fail to system overclocking.
- Page 14 Power Management/Plug and Play The AX4BS Pro / AX4BS-V supports the power management function that confirms to the power-saving standards of the U.S. Environmental Protection Agency (EPA) Energy Star program. It also offers Plug-and-Play, which helps save users from configuration problems, thus making system user-friendly.
- Page 15 STD (Suspend to Disk, S4) features. Super Multi-I/O AX4BS Pro / AX4BS-V 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.
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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
FAN3 Connector size up to 3GB USB Port Connector Front Panel Connector ATX Power Connector JP15 & JP16 Dr. Voice Extra Power Connector for 5V & 3.3V Language Select Jumpers (AX4BS Pro Only) ATA33/66/100 IDE FDD Connector Connector x2... -
Page 18: Block Diagram
Clock Generator 100/400MHz FSB Memory Control Hub AGP 1.5V (MCH) I MM PC100/133 1.5V Hub Link Memory Bus HDD/CDROM PCI Card I/O Control Hub (ICH2) 33/66/100 IDE Bus 4Mb BIOS ROM CNR Card AC97 Link Low Pin Floppy Count Audio Super I/O MIC, Line-in CODEC... -
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 read 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”. If needed, you can contact your local distributors or resellers to purchase “Upgrade Optional” components. Also you can visit AOpen official web site: www.aopen.com.tw... -
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 pin 1 &... -
Page 22: Cpu Installation
® This motherboard supports Intel Pentium 4, Socket 478 CPU. Beware of CPU orientation when you plug it into CPU socket. To finish CPU installation, please follow the procedure as shown below: 2. Locate Pin 1 in the socket and look for a black dot or cut edge on the 1. - Page 23 3. Press down the CPU socket lever and finish CPU installation. CPU cut edge Note: If you do not match the CPU socket Pin 1 and CPU cut edge well, it may damage the CPU. Note: This socket supports Micro-FC-PGA2 package CPU, which is the latest CPU package developed by Intel.
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Page 24: Cpu Fan Installation
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 on the retention module for better heat ventilation. Please correctly install the CPU fan according to following steps. -
Page 25: Cpu Jumper-Less Design
CPU VID signal and SMbus clock generator provide CPU voltage auto-detection and allow the user to set CPU frequency through BIOS setup; therefore, no jumpers or switches are used. The disadvantages of original Pentium based jumper-less designs are eliminated. There will be no worry of wrong CPU voltage detection anymore. Clock Generator ®... -
Page 26: Full-Range Adjustable Cpu Core Voltage (Ax4Bs Pro Only)
This function is dedicated to overclockers and supports Adjustable CPU Core Voltage from 1.10V to 1.85. But this motherboard can also automatically detect CPU VID signal and generates proper CPU core voltage. BIOS Setup > Frequency/Voltage Control > CPU Voltage Setting Warning: Higher CPU core voltage may be able to increase CPU speed for overclocking, but you may damage the CPU or reduce the... -
Page 27: Aopen "Watch Dog Timer
” With this motherboard, AOpen provides a very special, useful feature for overclockers. When you power-on the system, the BIOS will check last system POST status. If it succeeded, the BIOS will enable “Watch Dog Timer” function immediately, and set the CPU FSB frequency by user’s setting that stored in the BIOS. -
Page 28: Setting Cpu Core Voltage
This motherboard supports CPU VID function. The CPU core voltage will be automatically detected and the range is from 1.10V to 1.85V. It is no need to set CPU Core Voltage. - Page 29 This motherboard is CPU jumper-less design; you can set CPU frequency in the BIOS setup. No jumpers or switches are needed. BIOS Setup > Frequency/Voltage Control > CPU Speed Setting CPU Ratio 8x, 9x, 10x,…22x, 23x, 24x CPU FSB 100~248MHz Warning: Intel®...
- Page 30 Note: This motherboard supports CPU Core Frequency = CPU Clock * 4 * CPU Ratio auto-detection function. Therefore, you Clock = CPU Bus Clock / Clock Ratio don’t need to set CPU frequency by manual. Clock = PCI Clock x 2 CPU Core Frequency FSB Clock Ratio...
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Page 31: Cpu And Housing 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. +12V CPU FAN Connector SENSOR Note: Some CPU fans do not have FAN2 Connector sensor pin, so they cannot support fan monitoring. -
Page 32: Dimm Socket
This motherboard has three 168-pin DIMM sockets that allow you to install PC100 PC-133 memory up to 3GB. The AX4BS Pro / AX4BS-V supports SDRAM Modules. DIMM1 DIMM2 DIMM3... - Page 33 Please follow the procedure as shown to install memory. Make sure to put the module pins face down and match the socket’s size as depicted below. 20 pins 60 pins 88 pins Insert the module straight down to the DIMM slot with both hands and press firmly until the DIMM module is securely in place.
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Page 34: Front Panel Connector
Attach the power LED, EMPI, 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 35: Atx Power Connector
This motherboard comes with a 20-pin and 4-pin ATX power connector with an extra power connector for 5V/3.3V as shown below. 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 36: Ac Power Auto Recovery
A traditional ATX system remains power off when AC power resumes from power failure. This design is inconvenient for a network server or workstation, without an UPS, that needs to stay power-on. To solve this problem, this motherboard implements an AC Power Auto Recovery function. -
Page 37: Jp28 Keyboard/Mouse Wake-Up Enable/Disable Jumper
This motherboard provides keyboard and mouse wake-up functions. You can use the JP28 to enable or disable this function. JP28 KB/Mouse Wake-up Disable Enable (Default) -
Page 38: Jp30 Die-Hard Bios (100% Virus Protection) (Optional)
BIOS coding, hence is 100% virus free. There is a BIOS flash ROM mounted on the M/B when you get it. If you want to add extra BIOS flash ROM, please contact the local distributor or reseller. You also can link to AOpen official website: www.aopen.com.tw by Internet to purchase it. -
Page 39: Ide And Floppy Connector
Connect 34-pin floppy cable and 40-pin IDE cable to FDD floppy connector and IDE connector. For clear identification, the blue connector is IDE1. Be careful of the pin1 orientation. Wrong orientation may cause system damage. Pin 1 FDD Connector Primary Primary Slave (2nd) Master (1st) - Page 40 IDE1 is also known as a primary channel and IDE2 as 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.
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Page 41: 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, the 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, UART2 Mode, make sure... -
Page 42: Wom (Zero Voltage Wake On Modem) Connector
Pin 1 WOM Connector +5VSB... -
Page 43: Wom By External Box Modem
Serial Port (Modem Side) Pin 1 Serial Port (Motherboard Side) -
Page 45: 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 46: Agp (Accelerated Graphic Port) Expansion Slot
The AX4BS Pro / AX4BS-V provides an 4x slot. The AGP 4x is a bus interface targeted for high-performance 3D graphic. Recently, there are more memory modules on the AGP card. Hence, the AGP card needs more power to drive these chips. -
Page 48: Pc99 Color Coded Back Panel
The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, serial ports COM1 and COM2, Printer, four USB, AC97 sound and game port. The view angle of drawing shown here is from the back panel of the housing. PS/2 Mouse SPP/EPP/ECP MIDI/Game Port Connector Parallel Port... -
Page 49: Support 2 Nd Usb Port
This motherboard supports four USB ports. Two of them are on back panel connector, the other two are on the left side of this motherboard. With proper cable, you can connect them to front panel. Pin 1 USB Port Connector SBD2+ SBD2- OVER CURRENT... -
Page 50: Chassis Intrusion Sensor
The “CASE OPEN” header provides chassis intrusion-monitoring function. This function logged the event in the system BIOS when chassis is opened. You can use the 2-pin chassis intrusion sensor to connect with this header, and enable the chassis monitoring function of system BIOS. SENSOR Chassis Intrusion Sensor Connector... -
Page 51: Cd Audio Connector
This connector is used to connect CD Audio cable from CDROM or DVD drive to onboard sound. GND GND CD-IN... -
Page 52: 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 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. Pin 1 AUX-IN MIC_IN2 Note: Please remove the jumper cap from the Front Panel FRONT_R Audio Connector before you connect the cable. -
Page 55: Dr. Led Connector
It can clearly indicate whether there is a component issue or an installed issue by the 8 LEDs on the front panel of Dr. LED. This helps you quickly self-diagnostic your system status. If you want to by Dr. LED, please contact the local distributor or reseller. You also can link to AOpen official website: www.aopen.com.tw by Internet to purchase it. - 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 The total 8 LEDs light up alternatively if the system fails in one of eight stages. Once the LED7 (latest LED) is lit, this indicates that the system has completed its boot-up procedure. The 8 LEDs indicate the following messages when lit: LED 0 - Indicates that the CPU may have been installed incorrectly or is damaged.
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Page 58: Dr. Voice Connector (Ax4Bs Pro Only)
The Dr. Voice is a great feature of AX4BS Pro. It can let you easily to know what kind of problem occurred. It can clearly “tell” whether there is a component issue or an installed issue, such as CPU, memory module, VGA, PCI add-on card, FDD, HDD or keyboard by voice. -
Page 59: Gpo (General Purpose Output) Connector
GPO (General Purpose Output) is an advanced specification developed by AOpen for power users to define the further function by oneself. For example, you can design a daughter board to provide additional capabilities, such as an alarm, a buzzer, a timekeeper, etc. -
Page 60: 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. -
Page 61: Over-Current Protection
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 62: 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 these systems’ status goes wrong, there will be an alarm through the AOpen Hardware Monitoring Utility to warn the user. -
Page 63: 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. Resettable Fuse... -
Page 64: Low Esr Capacitor
The quality of low ESR capacitor (Low Equivalent Series Resistance) during high frequency operation is very important for stability of CPU power. The location of where to put these capacitors is another know-how that requires experience and detail calculation. -
Page 65: Layout (Frequency Isolation Wall)
For high frequency operation, especially overclocking, layout is the most important factor to make sure chipset and 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... -
Page 67: 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 68: Auto-Run Menu From Bonus Cd Disc
You can use the autorun menu of Bonus CD disc to choose the utility and driver you need to install. Select the model of your motherboard. -
Page 69: Installing Chipset Software Installation Utility
Windows 95/98 cannot recognize this chipset, because it was released prior to the Intel 845 chipset. You can install the Intel Chipset Software Installation Utility from the Bonus Pack CD disc auto-run menu to eliminate the “?” marks. -
Page 70: Installing Ultra Ata/100 Ide Driver
It is necessary to install Bus Master IDE driver to support ATA/100 hard disk. If you need this driver, you can find it in the AOpen Bonus Pack CD disc. Note: Installing this ATA/100 IDE driver may cause Suspend to Hard Drive fa ilure. -
Page 71: Installing Onboard Sound Driver
This motherboard comes with an AD1885 AC97 CODEC. You can find the audio driver from the Bonus Pack CD disc autorun menu. -
Page 72: 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 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) 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 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...
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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. ® The Intel Chipset Software Installation Utility must have been installed properly. Procedures Changed the following BIOS settings. BIOS Setup >...
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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 AX4BS Pro / AX4BS-V had optimized by AOpen’s R&D engineering team. But, the default setting of BIOS still can’t fine-tune the chipset controlling entire system. Hence, 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... -
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: 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 indeed intent 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 binary file and flash routine are linked together and you simply run a single commend to complete the flash process. - 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, AX4BSP102.ZIP. 2. Run shareware PKUNZIP (http://www.pkware.com/) which supports miscellaneous operation systems to extract the binary BIOS file and the flash utility.
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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: 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 87: 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 88: 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 89: 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 90: 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. DDR SDRAM utilizes the existing DRAM infrastructure and technology while doubling the nominal bandwidth available to systems in an easy to design and simple to adopt way. -
Page 91: Ecc (Error Checking And Correction)
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 92: Ev6 Bus
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 93: Fsb (Front Side Bus) Clock
FSB Clock means CPU external bus clock. CPU internal clock = CPU FSB Clock x CPU Clock Ratio See SMBus. IEEE 1394 is a low-cost digital interface originated by Apple Computer as a desktop LAN and developed by the IEEE 1394 working group. -
Page 94: Parity Bit
The parity mode uses 1 parity bit for each byte, normally it is even parity mode, that is, each time the memory data is updated, parity bit will be adjusted to have even count "1" for each byte. When next time, if memory is read with odd number of "1", the parity error is occurred and this is called single bit error detection. -
Page 95: Pc-1600 Or Pc-2100 Ddr Dram
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. Bus for the internal connection of peripheral devices, high-speed data channel between the computer and expansion card. -
Page 96: Post (Power-On Self Test)
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 97: 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. -
Page 98: Ultra Dma
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). The Ultra DMA/33 protocol transfers data in burst mode at a rate of 33.3MB/s, twice as fast as the previous Direct Memory Access (DMA) interface. -
Page 99: 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 100: 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 101 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 102 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 103 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.
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Page 104: 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 105 News Group: Your problem probably had been answered by our support engineer or professional users on the news group. http://www.aopen.com.tw/tech/newsgrp/default.htm 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. After all, their attitude of service is an important reference for you if next time you want to buy something else from them.
- Page 106 Model name and BIOS version can be found on upper left corner of first boot screen (POST screen). For example: AX4BS PRO / AX4BS-V R1.00 July.01.2001 AOpen Inc. Award Plug and Play BIOS Extension v1.0A Copyright © 1998, Award Software, Inc. AX4BS PRO / AX4BS-V is model name of motherboard, R1.00 is BIOS version.
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Page 107: Product Registration
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 108: How To Contact Us
Please do not hesitate contact us if you have any problem about our products. Any opinion will be appreciated. Pacific Rim Europe America AOpen America Inc. AOpen Inc. AOpen Computer b.v. Tel: 1-510-498-8928 Tel: 886-2-2696-1333 Tel: 31-73-645-9516 Fax: 1-408-922-2935, 1-408-432-0496...
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