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AT6 Pentium II Mainboard
Chapter 1
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Specifications ................................................. .......1-1
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Layout diagram ......................................................1-3
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The system block diagram........................................1-4
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Installing the Mainboard to the Casing ....................2-3
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Standard External Connectors .................................2-4
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Jumper and Switches .............................................2-11
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Installation of the CPU ..........................................2-13
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Password Setting .................................................3-27
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USER'S MANUAL
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...................3-17
.............................3-22
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Table of Contents
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Rev : 1.11
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Summary of Contents for Abit AT6E
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Page 1: Table Of Contents
AT6 Pentium II Mainboard USER’S MANUAL Table of Contents Chapter 1 Introduction of AT6 Features ¬ Specifications ..........…….1-1 Layout diagram ............1-3 ® The system block diagram........1-4 Chapter 2 Installing the Mainboard ¬ Installing the Mainboard to the Casing ....2-3 Standard External Connectors .........2-4 ®... - Page 2 Appendix A Quick Installation Appendix B General Discussion about HDD Installation Appendix C Flash BIOS User Instructions Appendix D How to install Ultra DMA/33 drive Appendix E How to install the PCI bridge driver for 440LX chipset Appendix F Technical Support...
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Page 3: Introduction Of At6 Features
Introduction of AT6 Feature Chapter 1 Introduction of AT6 Feature The mainboard is designed for the new generation CPU. It supports the Intel CPU SLOT1(Pentium II), up to 256MB of memory, super I/O, and Green PC functions. The mainboard provides high performance for the server system and meets the requirements of the desktop system for multimedia in the future. -
Page 4: Award Bios
Chapter 1 5. System BIOS l AWARD BIOS l Supports Plug-and-Play (PnP) l Supports Advanced Configuration Power Interface (ACPI) l Supports Desktop Management Interface (DMI) 6. Multi I/O Functions l Floppy port supports up to 2.88MB, and 3 mode floppy l Ultra DMA/33 bus master IDE supports up to 4 IDE devices ( Including LS-120 MB floppy drive ) l Built-in Standard/EPP/ECP parallel port connector... -
Page 5: Layout Diagram
Introduction of AT6 Feature - Layout Diagram Figure 1-1 Component Locations... -
Page 6: The System Block Diagram
Chapter 1 ® The System Block Diagram... -
Page 7: Chapter 2 Installing The Mainboard
Installing the Mainboard Chapter 2 Installing the Mainboard This AT6 mainboard not only provides all standard equipment for classic personal computers, but also provides great flexibility for meeting future upgrade demands. This chapter will introduce step by step all the standard equipment and will also present, as completely as possible future upgrade capabilities. - Page 8 Chapter 2 & User friendly instructions Our objective is to enable the novice computer user to perform the installation by themselves. We have attempted to write this document in a very clear, concise and descriptive manner to help overcome any obstacles you may face during installation.
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Page 9: Installing The Mainboard To The Casing
Installing the Mainboard ¬ Installing the Mainboard to the Casing Most computer cases will have a base on which there will be many mounting holes that allows the mainboard to be securely attached and at the same time, prevents short circuits. There are two ways to attach the mainboard to the base. -
Page 10: Standard External Connectors
Chapter 2 - Standard External Connectors Inside the case of any computer several cables and plugs have to be connected. These cables and plugs are usually connected one-by-one to connectors located on the mainboard. You need to carefully pay attention to any connection orientation the cables may have and, if any, notice the position of the first pin of the connector. - Page 11 Installing the Mainboard PN1(Pin 1-2) - Hardware Reset Connector Attach the cable from the case’s Reset switch to this connector. Press and hold the reset button for at least one second to reset the system. Pin number Name or significance of signal Ground Reset input PN2(Pin 10-11) - Hardware Suspend Switch Connector...
- Page 12 Chapter 2 PN2(Pin 6-7) - HDD LED Connector Attach the cable from the case’s HDD LED to this connector. Pin number Name or significance of signal LED power HDD active PN2 (Pin 8-9) - Power Switch Connector Pin number Name or significance of signal Ground Power Switch signal PN1 (Pin 9-10) - Sleep LED Connector...
- Page 13 Installing the Mainboard MOUSE - PS/2 Mouse Connector Attach a PS/2 mouse to this 6-pin Din-connector. Pin number Name or significance of signal Mouse data No connection Ground +5VDC Mouse clock No connection KB - PS/2 Keyboard Connector Attach a keyboard to this 6-pin Din-connector. Pin number Name or significance of signal Keyboard data...
- Page 14 Chapter 2 ATX PWR - ATX Power input Connector Caution: If power supply connectors are not properly attached to ATX PWR, the power supply or add-on cards may be damaged. Attach the connectors from the power supply to ATX PWR. Pin number Name or significance of signal +3.3V...
- Page 15 Installing the Mainboard IR - IR Connector(Infrared) Pin number Name or significance of signal FIRRX IR_RX Ground IR_TX No connection CIRRX No connection No connection I/O port connectors Pin number Name Description IDE1 IDE channel 1 connector IDE2 IDE channel 2 connector Floppy disk connector Parallel port COM1...
- Page 16 2-10 Chapter 2 WOL1 Connector ( Wake On Lan ) Pin number Name or significance of signal Sense Input 5VSB SB-Link - Connector Pin number Name or significance of signal GNTA REQA SERIRQ...
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Page 17: Jumper And Switches
Installing the Mainboard 2-11 ® Jumper and Switches You can set jumper switches on the mainboard to configure various hardware options. See Figure 1-1 for jumper locations. Throughout this section, the following symbols are used to indicate jumper settings. For 3-pin jumpers, the symbols below are used: Short Pins 1 and 2 with a jumper cap. - Page 18 2-12 Chapter 2 CCMOS 1 - CMOS Discharge Jumper Jumper CCMOS discharge CMOS memory. When you install the mainboard, make sure this jumper is set for Normal Operation(1-2). See the jumper below. Setting CCMOS Normal Operation (Default) Discharge CMOS...
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Page 19: Installation Of The Cpu
Installing the Mainboard 2-13 ¯ Installation of the Pentium II CPU Mount the two black plastic pegs onto the mainboard. These pegs will be used to attach the fan heat sink supports. Notice that one hole and the base of one peg are larger than the other hole and peg base. Push each peg into its hole firmly to the end until you hear it “... - Page 20 2-14 Chapter 2 Slide the clip (A) on each support toward the processor , exposing the hole that will fit the peg on the mainboard . Push the latches (B) on the processor toward the center of the processor until they click into place. Hold the processor so that the fan shroud is facing toward the pegs on the mainboard.
- Page 21 Installing the Mainboard 2-15 Slide the clips on the supports (D) forward until they click into place to hold the pegs securely. ( Apply slight pressure on the peg and push the peg forward the clip while pushing the clip forward.) Push the latches on the processor (E) outward until they click into place in the retention mechanism.
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Page 22: Installing System Memory
2-16 Chapter 2 ° Installing System Memory The mainboard provides two 168-pin DIMM sites for memory expansion.. The DIMM socket supports 1Mx64(8MB), 2Mx64(16MB), 4Mx64(32MB), 8Mx64(64MB), 16Mx64(128MB), and 32Mx64(256MB) or double sided DIMM modules. Minimum memory size is 8MB and maximum memory size is 256 MB. There are three banks of Memory on the system board. -
Page 23: Chapter 3 Introduction Of Bios
Introduction of BIOS Chapter 3 Introduction of BIOS The BIOS is a program located on a Read Only Memory chip on the mainboard. This program will not be lost when you turn the computer off. This program is also referred to as the boot program. It is the only channel for the hardware circuit to communicate with the operating system. - Page 24 Chapter 3 Three to five seconds after the message is displayed, if you press the Del key, you will access the BIOS Setup menu. At that moment, the BIOS will display the following message: Fig 3 BIOS Setup main menu In the BIOS Setup main menu of Figure 3, you can see several options.
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Page 25: Cpu Setup ¡I Cpu Soft Menu™¡J
Introduction of BIOS ¬ CPU Setup ¡i CPU SOFT MENU™¡j The CPU can be setup through a programmable switch (CPU SOFT MENU™), that replaces traditional manual hardware configuration. This feature allows the user to complete more easily the installation procedures. You can install the CPU without configuring any jumpers or switches. - Page 26 Chapter 3 CPU Operating Speed: This option sets the CPU speed. In this field, the CPU speed is indicated like this: CPU speed (external clock x multiplier factor) Select the CPU speed according the type and the speed of your CPU. ¡i Note 1 ¡j For Intel Pentium II MMX CPUs, you can choose the following settings: ä...
- Page 27 Introduction of BIOS ä Disable: CPU external clock is operating within the normal limits. ä Enable: CPU external clock is operating within the limits of the Turbo mode. Solution in case of booting problem due to invalid clock setup: Normally, if the CPU clock setup is wrong, you will not be able to boot. In this case, turn the system off than on again.
- Page 28 Chapter 3 Note : The increase by 2.5% of the CPU speed is not a standard feature of this product. It is only for use by our development department to verify that the CPU is able to work normally when CPU speed, operating temperature and power supply are 2.5% higher or lower than the standard values.
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Page 29: Standard Cmos Setup Menu
Introduction of BIOS - Standard CMOS Setup Menu It is the basic configuration parameters of the BIOS. These parameters include the settings of date, hour, VGA card, FDD and HDD. Fig 3-2 Standard CMOS Setup Menu Set up of HDD operating mode ¡i NORMAL, LBA, LARGE ¡j Since old operating systems were only able to support HDD whose capacity... - Page 30 Chapter 3 ä LBA (Logical Block Addressing) mode: LBA mode supports hard disk drives up to 8.4Giga. This mode uses a different method to calculate the position of disk data to be accessed. It translates Cylinders (CYLS), Heads and Sectors into a logical address where data are located.
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Page 31: Bios Features Setup Menu
Introduction of BIOS ® BIOS Features Setup Menu BIOS Features Setup Menu has already been set for maximum operation. If you do not really understand each of the options in this menu, we recommend you use default values. In each item, you can press <F1> at any time to display all the options for this item. -
Page 32: Quick Power On Self Test
3-10 Chapter 3 CPU Level 2 Cache: This item is used to enable or to disable the CPU level 2 cache. When the external cache is enabled, the system works faster. The default is Enable. CPU Level 2 Cache ECC Checking: This item is used to enable or to disable the CPU level 2 cache ECC checking function . -
Page 33: Boot Up Floppy Seek
Introduction of BIOS 3-11 Boot Up Floppy Seek: When computer boots up, the BIOS detects if the system has FDD or not. When this item is enabled, if the BIOS detects no floppy drive, it will display a floppy disk drive error message. If this item is disabled, the BIOS will skip this test. -
Page 34: Security Option
3-12 Chapter 3 Security Option: This option can be set to System or to Setup. After you have created a password through PASSWORD SETTING, this option will deny access to your system (System) or modification of computer setup (BIOS Setup) by unauthorized users. ä... - Page 35 Introduction of BIOS 3-13 Report No FDD For WIN 95 : When using Windows 95 without floppy drive , please set this item to Yes Video BIOS Shadow: This option is used to define whether the BIOS on the video card uses shadow feature or not.
- Page 36 3-14 Chapter 3 Shadowing address ranges (D8000-DBFFF Shadow): This option allows you to decide if the memory block (BIOS) of an interface card at the address D8000-DBFFF uses the shadow feature or not. If you have no interface card using this memory block, don’t enable this option.
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Page 37: Chipset Features Setup Menu
Introduction of BIOS 3-15 ¯ Chipset Features Setup Menu The Chipset Features Setup Menu is used to modify the contents of the buffers in the chipset on the mainboard. Since the parameters of the buffers are closely related to hardware, if the setup is not correct or false, the mainboard will become unstable or you will not be able to boot up. - Page 38 3-16 Chapter 3 Attention:Unless you are very familiar with your computer and with the DRAM configuration and speed, we recommend you not change the DRAM options but enable this option. DRAM settings: The other DRAM settings are all closely related to hardware. If you do not understand this very well, don’t make any changes.
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Page 39: Power Management Setup Menu
Introduction of BIOS 3-17 ° Power Management Setup Menu The difference between Green PCs and traditional computers is that Green PCs have a power management feature. With this feature, when the computer is powered on but inactive, the power consumption is reduced in order to save energy. When the computer operates normally, it is in Normal mode. -
Page 40: Power Management
3-18 Chapter 3 2. Use arrow keys to go to the item you want to configure. To change the settings, use "PgUP", "PgDn", "+" and "-". 3. After you have configured the Power Management feature, press “Esc” to go back to the Main Menu. We are now going to briefly explain the options in this menu: Power Management: Four options:... -
Page 41: Doze Mode
Introduction of BIOS 3-19 Video Off After: Select the saving mode in which the video is switched off. ä The video will never be switched off in no saving mode. ä Doze The video will be switched off in all saving modes. ä... -
Page 42: Suspend Mode
3-20 Chapter 3 Suspend Mode: When the setting selected for "Power Management" is "User Define", you can define for this mode any delay from 1 minute to 1 hour. If no power management event occurs during this time period, meaning the computer is inactive during this period, the system will enter the Suspend power saving mode. -
Page 43: Pci & Onboard I/O Setup
Introduction of BIOS 3-21 ± PCI & Onboard I/O Setup In this menu, you can change the INT# and IRQ of the PCI bus and the onboard I/O device, I/O port address and other hardware settings. Fig 3-6 PCI & Onboard I/O Setup PnP OS Install : Device resource assigned by PnP OS or BIOS. -
Page 44: Resources Controlled By
3-22 Chapter 3 Resources Controlled By: When you select Auto, the BIOS will automatically assign the IRQ and DMA to PCI / ISA PnP . When this option is Manual, you can choose which IRQ or DMA can assign to PCI / ISA PnP . PCI IDE Card 2nd Channel: This option can be enabled or disabled. -
Page 45: On Board Serial Port 1
Introduction of BIOS 3-23 On board Serial Port 1: This is used to specify the I/O address and IRQ of Serial Port 1. Ten options are available: Disable, 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4 or 2E8/IRQ3.3F8/IRQ10, 2F8/IRQ11, 3E8/IRQ10, 2E8/IRQ11, and AUTO. On board Serial Port 2: This is used to specify the I/O address and IRQ of Serial Port 2. - Page 46 3-24 Chapter 3 On board IDE-1 Controller: Onboard PCI IDE 1 controller can be set as Enable or Disable. / Master drive Mode: ä Auto: the BIOS can auto-detect the transfer mode of the HDD in order to set its data transfer rate. (Default) ä...
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Page 47: ² Load Bios Defaults
Introduction of BIOS 3-25 ² Load BIOS Defaults BIOS defaults are the reference settings that allow your system to work at a comparatively low performance. When you choose the option, the following message is displayed: “Load BIOS Defaults (Y/N)? N” If you want to use BIOS default values, press “Y”, than <Enter>. -
Page 48: Password Setting
3-26 Chapter 3 ´ Password Setting This option allows you to set a password required to start the system (System) or to access to the BIOS (Setup). After you have set a password through the PASSWORD SETTING option, you can enter the Security Option in the “BIOS Features Setup Menu” to select the security level in order to prevent any unauthorized access. -
Page 49: Ide Hdd Auto Detection
Introduction of BIOS 3-27 µ IDE HDD Auto Detection After you have installed the hard disk, in old systems, you had to know the hard disk specifications, such as the number of cylinders, heads and sectors, and to enter the relevant information into the hard disk information section. If the CMOS data were erased, and you had forgotten the hard disk specifications, it was a great problem. -
Page 51: Chapter 4 Bus Master Ide Driver
Bus Master IDE Driver Chapter 4 Bus Master IDE Driver The Intel PIIX4Bus Master IDE is now include in the mainboard. OS Support: Windows 95, Windows NT 3.5/3.51/4.0, OS/2 V2.x & Warp 3.0 Installation: Each OS has different install procedure, please check README.TXT file under each OS’s directory. - Page 52 Chapter 4...
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Page 53: Appendix A Quick Installation
Quick Installation Appendix A Quick Installation Appendix A will give you a simplified installation procedure, in order to allow you to install your mainboard quickly and correctly. If you need further information or if you need to change some other settings, read from Chapters 1. - Page 54 Appendix A Installing HDD: IDE1- Connect one end of the 40-pin cable that comes with the drive to the HDD connector, and the other end to IDE1 pin connector on the mainboard. Note: Be sure that the red line on the cable connects to the first pin of the connectors.
- Page 55 Quick Installation Installing Suspend switch connector: PN2 - There is a specific orientation for pin 10 and pin 11. Connect the two-threads suspend switch connector of the computer case to correct pins of connector on the mainboard. You can ignore this connector since most of computer cases do not support this feature (the mainboard itself supports it).
- Page 56 Appendix A Installing Power ON/OFF switch connector : PN2 : Connect the two- threads switch connector on the mainboard. Pin number Name of the signal or signification Power on/off Ground Watch the pin position and Installing ATX Power input connector: the orientation ATXPWR - Connect the power supply unit to the correct connectors on the mainboard.
- Page 57 Quick Installation WOL1 - Wake On LAN Connector : Pin number Name or significance of signal Sense Input 5VSB SB-Link Connector : Pin number Name or significance of signal GNTA REQA SERIRQ Installing PS2 Mouse: Mouse - There is an orientation pin. Connect your mouse connector to connector on the mainboard.
- Page 58 Appendix A Adjusting other jumpers: Some jumpers are reserved for future functions or are not to be adjusted in normal operation. Adjust them according to the following recommendations. CCMOS ¡G Put jumper on pin 1 and pin 2. BIOS Setup: Parameters and CPU settings After you have followed the steps described above and completed the installation, when you power the computer on, you will see the following message displayed...
- Page 59 General Discussion about HDD Installation Appendix B General Discussion About HDD Installation Most of the present HDDs use IDE interface. Installing an IDE hard disk does not require a lot of knowledge like installing the driver for a SCSI hard disk, but this means that the user often must install the hard disk by himself and cope with all the problems they may encounter.
- Page 60 Appendix B The higher the MODE value is, the best is the hard disk data transfer rate. But this does not mean that you can select the highest mode value as you like. You must be sure that your hard disk supports that type of fast data transfer, otherwise your hard disk will not be able to operate correctly.
- Page 61 General Discussion about HDD Installation Installing a hard disk: In the Standard CMOS Setup Menu, Primary means the first connector on the mainboard, that is, connector IDE1 on our mainboard. Secondary means the second connector on the mainboard, that is, connector IDE2 on our mainboard.
- Page 62 Appendix B Installing two HDDs: The red line on the connection cable must be lined up with pin 1 on the connector. Method 1: Set the hard disk drive used for boot up at Master, and the other drive at Slave. Connect one of the connectors of the 40-pin cable to the first drive, another connector to the second drive, and the other end of the cable to connector IDE1 on the mainboard.
- Page 63 General Discussion about HDD Installation Installing three HDDs: The red line on the connection cable must be lined up with pin 1 on the connector. Method 1: Set the hard disk drive used for boot up at Master, set the second drive at Slave.
- Page 64 Appendix B If one or several of your HDD are old, and if you don’t want to erase the data stored in your drives, you will have to remember the parameters (Type, Cylinders, Heads, Sectors, Mode) of the drive(s) you don’t want to erase. After you have used the IDE HDD Auto Detection option in the CMOS, enter the Standard CMOS Setup Menu to change the settings of the related hard disk drive.
- Page 65 AWDFLASH NEWBIOS /Pn SAVEBIOS Notes: “NEWBIOS” indicates file name for the new BIOS which can be downloaded from our website at http://www.abit.com.tw (user can choose a different file name in place of NEWBIOS). “SAVEBIOS” indicates the filename of the old system BIOS (user...
- Page 66 Startup system files (COMMAND.COM, MSDOS.SYS, IO.SYS...) b. AWDFLSH.EXE c. The NEWBIOS file which can be downloaded from ABIT’s website. d. AUTOEXEC.BAT, which has the following content: A:\AWDFLASH NEWBIOS /Py /Sn /CC ® When a version of BIOS that is for the incorrect mainboard model the following message will appear: “...
- Page 67 2. It must support the Ultra DMA hard drive. 3. It must support the operating system’s Ultra DMA driver software. All packages sold by ABIT contain this driver software. Complete the installation process exactly as below; In Windows 95, place the Ultra DMA/33 diver disk into the floppy drive. The file ‘Bmide_95’...
- Page 68 Appendix D 2. License: Notebook - close the view 3. Question: Click ‘Yes’...
- Page 69 How to install the Ultra DMA/33 driver Select Components: Click ‘INSTALL Question: Click ‘Yes’ Question: Click ‘Yes’...
- Page 70 Appendix D 7. Information: Click ‘OK’ After previous instructions have been followed, the driver will automatically install. It will automatically restart the computer after it has finished installing.
- Page 71 How to install the PCI bridge driver for 440LX chipset Appendix E How to install the PCI bridge driver for 440LX chipset This product CD-Title has attached Intel’s 82371xB INF update drive version 3.0. It can be used to update both 430TX and 440LX chipset, if your motherboard uses one of these Intel chipsets.
- Page 72 Appendix E Step2. Execute the Product CD-Title ABITCD.EXE and choice Driver è PCI Bridge Driver for Windows 95, then you will see the screen below: Step3. Click NEXT...
- Page 73 How to install the PCI bridge driver for 440LX chipset Step 4. You will see the license agreement dialog screen, click Yes. Step 5. Click Next, then wait a while, until you see the installation complete screen.
- Page 74 Appendix E Step 6. Restart your computer, then check the Device Manager again. First, you can check Hard Disk Controller, then take a look to see if the Bus Master driver is already recognized.
- Page 75 How to install the PCI bridge driver for 440LX chipset Step 7. Also check System Device, to find out if three devices are identified as well. ( Please see the arrows below) You have completed all things now.
- Page 76 Appendix E...
- Page 77 Technical Support Appendix F Technical Support L When you have a problem during operation... In order to help our technical support personnel to quickly find out what is the problem of your mainboard and to give you the answers you need, before filling in the technical support form, eliminate any peripheral that is not related to the problem, and indicate on the form the key peripherals.
- Page 78 Appendix F Example 2: With a system including the mainboard (with CPU, DRAM, COAST...) HDD, CD-ROM, FDD, VGA CARD, LAN CARD, MPEG CARD, SCSI CARD, SOUND CARD, after assembly and after having installed the Sound Card Driver, when you restart the system, when it runs the Sound Card Driver, it resets automatically.
- Page 79 Technical Support $$ Main instructions... To fill in this “Technical Support Form”, refer to the step-by-step instructions given below: *1. MODEL: Note the model number given in your user’s manual. Example: PT5R2, PR5R2... *2. Mainboard model number (REV): Note the mainboard model number labeled on the mainboard as “REV:*.**”.
- Page 80 Appendix F 4. DRIVER REV: Note the driver version number indicated on the DEVICE DRIVER disk as “Release *.**”. < Example: IDE Device Driver Drivers Diskette Release 1.09A Release 1.09A *5. OS/APPLICATION: Indicate what are the operating system and the applications your are running on the system.
- Page 81 Technical Support System Memory (DRAM): Indicate the brand and specifications (SIMM/DIMM) of your system memory. Examples: In the Brand space, write “Panasonic”, in the Specifications space, write “SIMM-FP DRAM 4MB-06”. Or, in the Brand, write “NPNX”, in the Specifications space, write “SIMM-EDO DRAM 8MB-06”.
- Page 82 Appendix F...
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Page 83: Technical Support Form
Technical Support & Technical Support Form ( Phone #: Company name: J Contact: /Fax #: Model BIOS ID # Mainboard model no. DRIVER REV OS/Application Hardware name Brand Specifications C.P.U IDE1 IDE2 CD-ROM Drive IDE1 IDE2 System Memory (DRAM) COAST ADD-ON CARD Problem Description:... - Page 84 Appendix F...