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IBM Mother Board 486F39X User Manual

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  Summary of Contents for IBM Mother Board 486F39X

  • Page 2 THE PRODUCT, INCLUDING THE COSTS OF REPAIRING, REPLACING, OR RECOVERING SUCH HARDWARE, SOFTWARE, OR DATA. Business Machines IBM is a registered trademark of International Intel is a registered trademark of Intel Corporation 80486 is a registered trademark of Intel Corporation...
  • Page 3: Table Of Contents

    n Table Of Contents Chapter 1 Introduction 486F39X Mainboard Features Power Supply for 486F39X Mainboard Chapter 2 Hardware Guide Before You Begin 486F39X Mainboard Layout Connectors Cache Memory System Memory CPU Type and Speed Selection System Speed Change Chapter 3 Software Guide Software Setup Running Award BIOS...
  • Page 4 Warranty Information Your 486F39X mainboard comes with a limited one-year warranty. The manufacturer warrants this product against defects in material and workmanship for one (1) year from date of purchase. Defective parts will be exchanged or repaired at the manufacturer’s option, for one (1) year after date of original purchase.
  • Page 5: 486F39X Mainboard Features

    Chapter 1: Introduction 1 Introduction 486F39X Mainboard Features The 486F39X is a high performance, function enchanced computer mainboard that combines the power of 80486 DX/ DX2/DX4 CPU and the VESA VL-bus. The features integrated onto the 486F39X mainboard are as follows: Supports the following 3-VOLT or 5-VOLT CPUs: 1.
  • Page 6: Power Supply For 486F39X Mainboard

    Chapter 1: Introduction Power Supply for 486F39X Mainboard A clean steady power source is necessary to get reliable perfor- mance from the system. With the high clock speeds of the CPU (running at 25MHz or above) the quality of the power supply becomes even more important.
  • Page 7: Hardware Guide

    Chapter 2: Hardware Guide 2 Hardware Guide Before You Begin Before removing the mainboard from its anti-static bag, you need to eliminate any static electricity that may be accumulated on your body. The charge that can build u p in your body may be more than enough to damage integrated circuits on the system board.
  • Page 21: System Speed Change

    Hardware Chapter Guide System Speed Change The 486F39X mainboard can be configured for turbo or slow speeds to accomodate most DOS applications. On power up, the system will be operating at turbo speed (factory setting). You can switch between turbo and slow speeds by toggling the turbo switch or pressing the keyboard keys.
  • Page 22: Software Guide

    Chapter 3:Software 3 Software Guide Software setup After hardware configuration of the 486 VESA motherboard is completed, and system hardware has been assembled, the completed system may be powered-up. At this point, software setup should be run to ensure that system information is correct. System setup is needed when the system hardware is not identical with the information contained in the CMOS RAM, or whenever the CMOS RAM has lost power.
  • Page 24: Standard Cmos Setup

    Chapter 3:Software “Hit DEL if you want to run SETUP” To access the AMI BIOS SETUP program, press the <DEL> key. You may use either mouse or keyboard to change the setup. Main Menu The Main Menu contains four menus: Setup menu, Utility menu, Security menu, and Default menu.
  • Page 25 Setup Menu There are four icons in the Setup Menu ‘Standard’ icon, “Advances” icon, “Chipset” icon, and “Power Management” icon. (1) The Standard icon is used to set date /time, floppy A and B types, and hard drive C and D types. After selecting the Standard icon, a sub- menu with five icons:Date/Time icon, Floppy A icon and Floppy B icon, Master Disk icon, Slave Disk icon will display on the screen.
  • Page 26: Bios Features Setup

    Chapter 3:Software There are five categories of information you must enter when you select type “USER”. The hard disk manufacture’s documentation should provide you with the information needed. Cyl : This is the number of cylinders found in the specified drive type. Hd : This is the number of head found in the specified drive type.
  • Page 33 Sync.( default ) Trans. This option determines whether local bus devices READY# signal is synchronized or transparent. (4) The Power Management icon setup controls the mainboard’s “green” features and is designed to work with “SL” or “Non-SL” type CPUs. The Video features work with a “green”...
  • Page 34 Standby Timer Setting range from “10 Sec” to “1 Hr” and “Disable”.The CPU and the VESA Local Bus operation frequency slows down to 8 MHz and the video signal is suspend if no Power Management events occur for a specificed length of time. Full Power functions return when a Power Management event is detected.
  • Page 35 Non-SL CPU The Non-SL CPU’s green features are the same as the SL CPU’s except there is an additional option “IRQ 12, IRQ 15 or Hw/Pin for PM Mode”. If you select “IRQ 12 or IRQ 15”, the Non-SL CPU will use IRQ which you select to pass program execution to a Power Management Service Routine.
  • Page 36: Load Bios Defaults

    Chapter 3:Software Menu Security The Security menu contains two icons:“Password” icon and “Anti-Virus” icon. The “Password” icon is used to create, change or delete user’s Password. The motherboard is shipping with the password disabled. If you want to create/change password, select the “Password” icon then press <Enter>. Enter the password at the prompt of Enter New Password, Then at the prompt of Confirm New Password, confirm the password by entering it again.To disable password, press <Enter>...
  • Page 37: Password Setting

    Chapter 3:Software Save Setup Change and Exit After completion of all modifications, get to “Esit CMOS Setup” menu by hitting “ESC” key and sclcct the proper option you desire.