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Rev . 0+
System Board
User' s Manual
- D28750815 -


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   Summary of Contents for Casio G486VPB

  • Page 1

    G486VPB Rev . 0+ System Board User’ s Manual - D28750815 -...

  • Page 2

    Further, DFI, Inc. assumes no responsibility for any errors that may appear in this document. DFI is a registered trademark, and G486VPB is a trademark of Diamond Flower, Inc. All other product names mentioned are trademarks or registered trade-...

  • Page 3

    v FCC Statement on Class B This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interfer- ence when the equipment is operated in a residential installation.

  • Page 4: Table Of Contents

    PCI/ISA System Board v Table of Contents v Introduction ..................6 Features and Specifications ............7 Package Checklist ..............9 Installation Overview ................10 Preparing the Area ................10 Handling the System Board ............. 10 Tips in Handling the System Board .......11 Hardware Installation ...............

  • Page 5

    G486VPB Initial Setup Program ............... 57 Award BIOS CMOS Setup Utilities .............5 8 Standard CMOS Setup ...............58 BIOS Features Setup .............61 Chipset Features Setup ..........63 Power Management Setup ..........6 4 PCI Configuration Setup ..........65 Load BIOS Defaults ............66 Load Setup Defaults ............

  • Page 6: Introduction

    BIOS which can be erased in bulk or modified using a software utility. The G486VPB is equipped with four PCI slots, four ISA slots (one shared PCI/ISA slot). Equipped with one built-in VL-bus IDE connector and...

  • Page 7: Features And Specifications

    G486VPB Features and Specifications Processor • 5V CPUs Intel 486SX/DX/DX2 (full series) and Pentium OverDrive Processor AMD 486DX/DXL/DXL2 (full series) Cyrix 486SX/DX/DX2 (full series) • 3.3V CPUs Intel 486DX4-75/100 AMD 486DX2-66/80NV8T 486DX4-75/100NV8T 486DX2-66/80 SV8B 486DX4-75/100 SV8B Cyrix 486DX2V-50/66/80 486DX4-100 5x86-100 Chipset •...

  • Page 8

    PCI/ISA System Board BIOS • Award system BIOS (Flash EPROM optional) • Supports IDE HDDs larger than 528MB under DOS (LBA mode only) • System and EGA/VGA BIOS shadow Super I/O Interface and Fast IDE • Two NS16C550 compatible serial ports •...

  • Page 9: Package Checklist

    • 22cm (8.58") x 22cm (8.58") Baby AT form factor • 4 layers Package Checklist The G486VPB package contains the following items: • The G486VPB system board • The G486VPB user’ s manual • One IDE driver diskette • One 34-pin floppy disk drive cable •...

  • Page 10: Installation Overview

    PCI/ISA System Board v Installation Overview This chapter summarizes the steps in installing the G486VPB system board into your system unit. Preparing the Area Before unpacking the system board, make sure the location you have selected is relatively free of dust and static electricity.

  • Page 11: Tips In Handling The System Board

    G486VPB Static electrical discharge can damage computer compo- nents without causing any signs of physical damage. You must take extra care in handling the system board to ensure against electrostatic build-up. Tips in Handling the System Board 1) To prevent electrostatic build-up, leave the board in its anti-static bag until you are ready to install it.

  • Page 12: Hardware Installation

    Hardware Installation Installation Procedures Cache configration CPU installation Memory modules installation Other jumper settings Installing the system board Built-in Ports Expansion cards installation Initial Setup Program...

  • Page 13: Locations Of Jumpers

    Locations of Jumpers on the G486VPB...

  • Page 14: Cache Configuration

    PCI/ISA System Board Cache Configuration The G486VPB system board can be configured to three different cache sizes: 128KB (default size), 256KB, and 512KB. Regardless of the amount of cache memory installed, one 8Kx8 or 32Kx8 is needed for tag RAM to store the cacheable addresses.

  • Page 15

    G486VPB To upgrade from 256KB to 512KB of cache memory, use four pieces of 128Kx8 SRAM. Data SRAM Tag SRAM Cacheable Cache Size U4/U5/U9/U10 Range 512KB 128Kx8x4 32Kx8x1 128MB 256KB 64Kx8x4 32Kx8x1 64MB 128KB* 32Kx8x4 8Kx8x1 32MB * Default setting...

  • Page 16: Jumper Setting For Cache Memory

    PCI/ISA System Board Jumper Setting for Cache Memory Please refer to the figure on page 14 for the locations of Jumpers JP10, JP11, JP12, JP13 and JP14. 128KB* Cache SRAM (Default) JP12 JP11 JP13 JP10 JP14 256KB Cache SRAM JP12 JP13 JP11 JP10...

  • Page 17: Cpu Installation

    Set the CPU jumpers Insert your CPU into ZIF socket The G486VPB is equipped with a 237-pin Zero Inser- tion Force (ZIF) socket at location U17 (please refer to the next page) of the system board. This socket is de- signed for the easy removal of the old CPU and the easy insertion of the upgrade CPU.

  • Page 18

    PCI/ISA System Board Locations of ZIF Socket, Jumpers JP6 - JP7, JP9 , JP15 - JP20, JP21, JP23 - JP30 and JRN1 - JRN3 on the G486VPB System Board...

  • Page 19: Jumpers For Cpu Voltage Select

    G486VPB Jumpers JP21, JP23 and JP24 CPU Voltage Select 5V CPUs * 3.45V CPUs 1 2 3 1 2 3 JP23 JP23 JP21 JP21 JP24 JP24 JP21 1-2 On and JP21 Off and JP23, JP24 1-2 On: JP23, JP24 2-3 On: 5V (Default) 3.45V...

  • Page 20: Jumpers For Cpu External Clock Select

    PCI/ISA System Board Jumpers JP15, JP17 and JP19 CPU External Clock Selection 25MHz 33MHz * JP19 JP19 JP17 JP17 JP15 JP15 JP15 2-3 On, JP17 1-2 On JP15 2-3 On, JP17 2-3 On and JP19 2-3 On: and JP19 1-2 On: 25MHz 33MHz (Default) 40MHz...

  • Page 21: Jumpers For Cpu Type Select

    G486VPB Jumper Settings for CPU Type Select Intel 486SX Pin 1...

  • Page 22

    PCI/ISA System Board Intel 486DX/DX2 * (Default) Pin 1...

  • Page 23

    G486VPB Intel DX4 Pin 1...

  • Page 24

    PCI/ISA System Board Intel DX4 OverDrive / Pentium OverDrive Pin 1...

  • Page 25

    G486VPB AMD Am486DX2 SV8B Pin 1...

  • Page 26

    PCI/ISA System Board AMD Am486DX2 NV8T Pin 1...

  • Page 27

    G486VPB AMD Am486DX4 SV8B / Am486DX4 NV8T Pin 1...

  • Page 28

    PCI/ISA System Board UMC U5SD Pin 1...

  • Page 29

    G486VPB UMC U5S / U5SLV Pin 1...

  • Page 30

    PCI/ISA System Board Cyrix Cx486 DX/DX2/DX4 SGS Thompson ST486DX2 Cyrix Cx486 DX/DX2/DX4 ST486DX2 Pin 1 Pin 1...

  • Page 31

    G486VPB Cyrix Cx5x86 Pin 1...

  • Page 32: Installing Upgrade Cpu

    PCI/ISA System Board Installing Upgrade CPUs The G486VPB is equipped with a 237-pin Zero Insertion Force (ZIF) socket at location U17 of the system board. This socket enables you to remove the old CPU and insert the upgrade CPU easily. If you need to apply excessive force to insert the CPU, the installation is being done incorrectly.

  • Page 33

    G486VPB if the system has been running. To avoid the possibility of a burn, power the system off and let the processor and heat sink cool for 10 minutes. Clearance Requirements The Pentium OverDrive processor comes with a heat sink mounted on top. To maintain proper airflow once the upgrade is installed on the system board, the processor and heat sink require certain space clearances.

  • Page 34

    PCI/ISA System Board To install an upgrade CPU in the G486VPB, follow the steps below. 1. Make sure the handle on the side of the ZIF socket is up. To raise the handle, pull it out to the side a little and raise it as far as it will go.

  • Page 35

    G486VPB 3. Position the CPU above the ZIF socket. Make sure pin 1 of the CPU is aligned with pin 1 of the socket. Lower the chip until the pins are inserted properly in their corresponding holes. Remember that no force is needed to install the CPU.

  • Page 36

    PCI/ISA System Board Fan Exhaust The CPU must be kept cool by using a fan exhaust configuration in connection with the heatsink. The temperature of the air entering the fan/heatsink cannot exceed 45°C. In order to provide proper airflow to the CPU, all movable obstructions (power supply cables, cards, floppy disk cables) must be clear of the CPU heatsink/ fan component in accordance with the space clearance...

  • Page 37: Memory Installation

    G486VPB Memory Installation The G486VPB system board can support 1MB to 128MB of memory using HSIM modules. HSIM is an acronym for High Density Single In-line Memory. A SIM module consists of several RAM chips soldered onto a small circuit board. A SIM module connects to the system board via a 72-pin card-edge connector.

  • Page 38

    PCI/ISA System Board Memory Size Bank 0/1 Bank 2/3 16MB 17MB 20MB 32MB 64MB 65MB 68MB 128MB 2M(D)* 2M(D)* 2M(D)* 2M(D)* 2M(D)* 10MB 2M(D)* 8M(D)* 18MB 2M(D)* 8M(D)* 8M(D)* 12MB 8M(D)* 16MB 8M(D)* 8M(D)* 24MB 8M(D)* 72MB 8M(D)* 32MB 16M(D)* 16M(D)* 32MB 32M(D)*...

  • Page 39: Installing The Modules

    G486VPB Note: If you are installing only one SIMM, you can install it in any of the sockets. The bank you choose is considered to be Bank 0/1. Installing the Modules An HSIM module simply snaps into a socket on the system board.

  • Page 40: Other Jumper Settings

    Jumper Settings for Internal/External Battery, CMOS Clean, Flash EPROM, PS/2 Mouse, CPU Speed for PCI Slots and Parallel Port ECP DMA Channel Setting JP22 JP31 Locations of Jumpers JP1, JP2, JP3, JP4, JP5, JP22 and JP31 on the G486VPB System Board...

  • Page 41

    G486VPB Jumper JP3 Internal Battery Select The G486VPB comes with an internal Lithium battery. If you wish to install an external 3.6V Lithium battery, set JP3 pins 1 and 2 to On. 1-2 On: 2-3 On: External Battery Enabled Internal Battery Enabled...

  • Page 42

    EPROM 27C010 Jumpers JP2 and JP31 PS/2 Mouse The G486VPB package includes a card-edge bracket with serial and mouse port. By default, the mouse port is disabled. If you intend to use a PS/2 mouse, the port must be enabled. The PS/2 mouse port uses IRQ12, but when the PS/2 mouse port is disabled, IRQ12 is avail- able to other devices.

  • Page 43

    <= 33MHz (Default) Speed > 33MHz Set Jumpers JP4 and JP8 pins 2-3 to On if your G486VPB system board uses one of the following CPUs: 486DX-50, 486DX2-80, 486DX-40 or 486SX-40. The CPU external clock speed supported by each of them is greater than 33MHz.

  • Page 44

    PCI/ISA System Board Jumper JP1 ECP DMA Channel Select The on-board printer port can be set to ECP mode in CMOS Setup. In ECP mode (but not in the other printer port modes), the printer port requires a DMA channel. Set Jumper JP1 to assign either DMA Channel 1 or DMA Channel 3 to the ECP port.

  • Page 45: Installing The System Board

    G486VPB Installing the System Board Before installing the system board into your system unit, you should prepare the tools you will need: You will need: • one medium size, flat-bladed screwdriver • one medium Phillips screwdriver • one grounded wriststrap for electrostatic...

  • Page 46

    PCI/ISA System Board Step 5 Remove the G486VPB from its original packing box. Be careful to avoid touching all connectors and pins on the board. Please refer to the handling instructions on pages 10 and 11 for proper handling techniques.

  • Page 47: Built-in Ports

    G486VPB Built-in Ports The G486VPB system board is equipped with two serial ports, one ECP/EPP parallel printer port, one FDD connector, two IDE hard disk connectors and one PS/2 mouse port. Locations of the Built-in Ports on the System Board...

  • Page 48: Serial Ports

    The G486VPB system board supports IRQ4 for the primary serial port and IRQ3 for the secondary serial port. These serial ports use the following system I/O addresses:...

  • Page 49: Parallel Ports

    The Primary and Secondary Serial Ports on the G486VPB System Board Parallel Port The G486VPB system board has a standard connector for interfacing your PC to a parallel printer. This port is compatible with both IBM AT printer ports and the new, high speed, bi-directional Extended Capabilities Port standard.

  • Page 50

    Make sure the colored stripe on the ribbon cable aligns with pin 1 of Connector J5. Use a small nutdriver to mount the cable into a DB-25 cutout in the system chassis. The Parallel Printer Port on the G486VPB System Board...

  • Page 51: Floppy Disk Drive Controller

    G486VPB Floppy Disk Drive Controller The G486VPB system board has a built-in floppy disk controller that supports two standard floppy disk drives. You can install any 360KB/720KB/1.2MB/1.44MB floppy disk drives (2.88MB optional). Connecting the Floppy Disk Cable The Floppy Disk Connector on the...

  • Page 52: Ide Hard Disk Interface

    Drive A. IDE Hard Disk Interface The G486VPB system board is equipped with one VL- Bus IDE connector and one ISA IDE connector that will interface four IDE (Integrated Drive Electronics) hard disk drives.

  • Page 53

    G486VPB Connecting the IDE Hard Disk Interface The IDE Hard Disk Connector on the G486VPB System Board Step 1 If you are connecting two hard drives, install the 40-pin connector of the IDE cable into the primary disk con- nector (J7). If you are adding a third or fourth IDE device, install the 40-pin connector of the other IDE cable into the secondary connector (J6).

  • Page 54

    No changes are needed on the G486VPB system board when adding a second hard drive. We recommend that the IDE hard drives be from the same manufacturer.

  • Page 55: Ps/2 Mouse Port

    The PS/2 mouse port is a 6-pin connector on the system board. Attach the 6-pin mouse port cable, which came in the G486VPB box, to Connector CN3. Make sure the brown wire on the PS/2 mouse connector aligns with pin 1 of connector CN3. The other end of the wires are attached to the card-edge bracket that also holds the two serial port cables.

  • Page 56: Installing Expansion Cards

    PCI/ISA System Board Installing Expansion Cards The G486VPB is equipped with three dedicated PCI and three dedicated ISA slots. One PCI slot and one ISA slot is shared. You can only install a card in one or the other of the shared slots at a time, you cannot install devices in both slots.

  • Page 57: Initial Setup Program

    G486VPB v Initial Setup Program After you power up your system, the BIOS message appears on your screen and the memory count begins. After the memory test, the following message will appear on the screen: Press DEL to enter Setup If the message disappears before you respond, restart your system or press the “Reset”...

  • Page 58: Award Bios Cmos Setup Utilities

    PCI/ISA System Board Award BIOS CMOS Setup Utility Press <Ctrl> <Alt> <Esc> or <Del> simultaneously to enter the Setup utility. A screen similar to the one below will appear. Use the arrow keys to highlight the option you want and press <Enter>.

  • Page 59

    You may use the “IDE HDD Auto Detection” from the main CMOS setup menu or you can set it manually. The G486VPB has 46 pre-set types and one user-definable type. Use the <Page Up> or <Page Down> keys to select the appropriate type for the drive.

  • Page 60

    PCI/ISA System Board If none of the pre-set types is appropriate for your drive, choose “User”, which is the user-definable type. To use this type, highlight either the drive you want to set: Primary Master, Primary Slave, Secondary Master or Secondary Slave.

  • Page 61: Bios Features Setup

    G486VPB All, But Disk/Key: The system will stop for any errors except a keyboard or disk error. Memory The lower right hand corner shows the base memory size, extended memory size, and the other memory size of your system. You cannot alter these items; your computer automatically detects and displays them.

  • Page 62

    PCI/ISA System Board The Virus Warning option may be set to “enabled” or “disabled”. When enabled, the BIOS issues a warning when any program or virus sends a Disk Format com- mand or attempts to write to the boot sector of the hard disk drive.

  • Page 63: Chipset Features Setup

    G486VPB Chipset Features Setup The G486VPB uses the VIA chipset. The Chipset Features Setup allows you to modify some functions to optimize system performance. It also allows you to enable, disable or select the port address of the built-in serial ports, parallel port, floppy disk controller and hard disk controller.

  • Page 64: Power Management Setup

    PCI/ISA System Board Power Management Setup Use the arrow keys to highlight “Power Management Setup” and press <Enter>. A screen similar to one below will appear Choosing “Enabled” in the Power Management option will allow you to set Doze Timer, Sleep Timer and Sleep Mode.

  • Page 65: Pci Configuration Setup

    Setup” and press <Enter>, a screen similar to the one below will appear. The G486VPB system board supports four PCI slots. Each slot may be assigned INT value if the card in- stalled in the slot requires an interrupt. Each INT may...

  • Page 66: Load Bios Defaults

    PCI/ISA System Board Load BIOS Defaults If, for some reason, the CMOS becomes corrupted, the system can be reconfigured with the default values stored in the ROM chips. The BIOS default values provide the slowest performance for your system. You should use these values only if you are having hardware problems.

  • Page 67: Password Setting

    G486VPB Password Setting If you want to set a password, make sure that the Secu- rity Option under the BIOS Features Setup is set to “System” or “Setup”. Refer to the BIOS Features Setup option for more information. Use the arrow keys to highlight the password Setting option and press <Enter>.

  • Page 68: User Password

    PCI/ISA System Board you will be prompted to enter the correct password again. Otherwise, enter a new password. To delete or disable the password function, simply press <Enter> instead of typing in a new password. Press the <Esc> key to return to the main menu. If you forget your password, you should clear any previously set password by setting Jumper JP2 pins 2 and 3 to On for approximately two minutes.

  • Page 69: Ide Hdd Auto Detection

    G486VPB IDE HDD Auto Detection This option detects the hard disk parameters for the hard disk drives installed in your system. Highlight this option and press <Enter>. A screen similar to the one below will appear. The screen displays the parameters detected and allows you to accept or reject the parameters.

  • Page 70: Save & Exit Setup

    PCI/ISA System Board Save & Exit Setup When all the changes have been made, highlight “Save & Exit Setup” and press <Enter>. The message below will appear: Save to CMOS and Exit (Y/N)? N Type “Y” and press <Enter>. The following message will appear: Reboot System (Y/N)? N Type “Y”...

  • Page 71: Ide Device Drivers

    G486VPB v IDE Device Drivers The G486VPB system board uses the VT82C496G that support two IDE channels: 1Fx channel (Primary IDE Channel) and 17x channel (Secondary IDE Channel). The IDE device drivers should be installed under the “INSTALL.EXE” Utility. The G486VPB comes with IDE driver diskette(s). The diskette includes drivers for Microsoft Windows 3.1 and...

  • Page 72: Troubleshooting Checklist

    PCI/ISA System Board v Troubleshooting Checklist If you experience difficulty with the G486VPB system board, please refer to the checklist below. If you still cannot isolate the problem, please contact your dealer. 1) Check the jumper settings to ensure that the jumpers are properly set.

  • Page 73

    3V lithium battery CR2032. One of the battery sockets presented below is supported by your G486VPB board. To remove the battery from the socket above, push the black button downward (1) and the battery to the right (2).

  • Page 74: Appendix A: Types Of Modules

    PCI/ISA System Board v Appendix A: Types of Modules The G486VPB system board allows you to populate memory with 256Kx36, 512Kx36, 1Mx36, 2Mx36, 4Mx36, 8Mx36 and 16Mx36 SIM modules. The follow- ing modules have been tested with this board. Most untested brands will work but a few may fail to do so.

  • Page 75

    G486VPB For SIM 2Mx36 Modules Brand Chip Number M511000B For SIM 4Mx36 Modules Brand Chip Number M514100A-70S For SIM 8Mx36 Modules Brand Chip Number M514100AL-70K...

  • Page 76: Appendix B: System Error Report

    PCI/ISA System Board v Appendix B: System Error Report When the BIOS encounters an error that requires the user to correct something, either a beep code will sound or a message will be displayed in a box in the middle of the screen and a message PRESS F1 TO CONTINUE, CTRL-ALT-ESC or DEL TO ENTER SETUP will be shown in the information box at the bottom.

  • Page 77

    G486VPB CMOS CHECKSUM ERROR Checksum of CMOS is incorrect. This can indicate that CMOS has become corrupt. This error may have been caused by a weak battery. Check the battery and replace if necessary. DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER No boot device was found.

  • Page 78

    PCI/ISA System Board ERROR ENCOUNTERED INITIALIZING HARD DRIVE Hard drive cannot be initialized. Be sure the adapter is installed correctly and all cables are correctly and firmly attached. Also, be sure the correct hard drive type is selected in Setup (refer to Appendix G). ERROR INITIALIZING HARD DISK CONTROLLER Cannot initialize controller.

  • Page 79

    G486VPB MEMORY PARITY ERROR AT... Indicates a memory parity error at a specific location. You can use this location along with the memory map for your system to find and replace the bad memory chips. MEMORY SIZE HAS CHANGED SINCE LAST BOOT Memory has been added or removed since the last boot.

  • Page 80

    PCI/ISA System Board PRESS F1 TO DISABLE NMI, F2 TO REBOOT When BIOS detects a Non-Maskable Interrupt condition during boot, this will allow NMI to be disabled and continue to boot. You can also reboot the system with the NMI enabled. RAM PARITY ERROR - CHECKING FOR SEGMENT Indicates a parity error in Random Access Memory.

  • Page 81: Appendix C: Memory & I/o Maps

    G486VPB v Appendix C: Memory & I/O Maps Memory Address Map Address Name Function 0000000 to 640K System System Board Memory 009FFFF Board RAM 00A0000 to 128K Video Reserved for Graphics Display 00BFFFF Display Memory Memory 00C0000 to 160K I/O...

  • Page 82

    PCI/ISA System Board I/O Address Map I/O Address Function 000-01F DMA Controller 1, 8237A-5 020-03F Interrupt Controller 1, 8259A, Master 040-05F Timer, 8254-2 060-06F 8742 (Keyboard Controller) 070-07F Real-time Clock, NMI (Non-maskable Interrupt) Mask 080-09F DMA Page Memory , 74LS612 0A0-08F Interrupt Controller 2, 8259A 0C0-0DF...

  • Page 83: Appendix D: Pci I/o Pin Assignments

    G486VPB v Appendix D: PCI I/O Pin Assignments Component Side Solder Side -12V - 01 - TRST# - 02 - +12V Ground - 03 - - 04 - - 05 - INTA# - 06 - INTB# - 07 - INTC#...

  • Page 84: Appendix E: Isa I/o Pin Assignments

    PCI/ISA System Board v Appendix E: ISA I/O Pin Assignments -I/O Chck - 01 - Reset Drv - 02 - +5V DC - 03 - IRQ9 - 04 - -5V DC - 05 - DRQ2 - 06 - -12V DC - 07 - O W S - 08 -...

  • Page 85: Appendix F: Connector Pin Assignments

    G486VPB v Appendix F: Connector Pin Assignments IDE2 LED IDE1 LED Keylock Speaker Reset Turbo SW. Turbo LED Green LED Locations of Connectors on the System Board...

  • Page 86

    PCI/ISA System Board Connectors J1 and J2 Primary (COM1) and Secondary (COM2) Serial Ports Function DCD (Data Carrier Detect) RX (Receive Data) TX (Transmit Data) DTR (Data Terminal Ready) Ground (Signal Ground) DSR (Data Set Ready) RTS (Request to Send) CTS (Clear to Send) RI (Ring Indicator) Connector J5...

  • Page 87

    G486VPB Function -Ack Busy Paper Empty Select -Autofd -Error -Init -Slctin Ground Ground Ground Ground Ground Ground Ground Connector J4 Floppy Disk Drive Connector Function Ground DENSEL Ground Reserved Ground Drate0 Ground Index...

  • Page 88

    PCI/ISA System Board Function Ground MTR0 Ground Ground Ground MTR1 Drate1 Ground Step Ground Write Data Ground Write Gate Ground Track 0 MSEN Wr Protect Ground Read Data Ground Head Select Ground Disk Change...

  • Page 89

    G486VPB Connectors JP6 and JP7 Primary and Secondary IDE Hard Disk Drive Connectors Function -Reset Ground Ground Reserved Reserved Ground -IOW Ground -IOR...

  • Page 90

    PCI/ISA System Board Function Ground IO Channel Ready * BALE Reserved Ground IRQ14 IOCS16 Reserved HCS0 HCS1 Ground * Pin 27 is Reserved for Secondary IDE Channel Connectors J8 and J9 IDE1/IDE2 LED Function Signal LED Power...

  • Page 91

    G486VPB Connector J10 Keylock Connector Function LED Signal Reserved Ground Keylock Signal Ground Connector J11 Speaker Connector Function Signal Reserved Ground Connector JP12 Reset Switch Connector Function Ground Reset...

  • Page 92

    PCI/ISA System Board Connector J13 Turbo/Green Button Connector Function Signal Connector J14 Turbo LED Connector Function Signal LED Power Connector J15 Green LED Connector Function Signal LED Power...

  • Page 93

    G486VPB Connector J3 External Battery Connector Function 3.6 Lithium Battery Connector CN2 Keyboard Connector Function Keyboard Clock Keyboard Data Not Connected Ground Connector CN3 PS/2 Mouse Connector Function Mouse Data Reserved Ground Mouse Clock Reserved...

  • Page 94

    PCI/ISA System Board Connector PL1 Power Connector Function Power Good +12V -12V Ground Ground Ground Ground...

  • Page 95: Appendix G: Award Bios Hard Disk Table

    G486VPB v Appendix G: Award BIOS Hard Disk Table Type Size Cylinders Heads Sectors Write Land Example (MB) Precomp Zone Model TEAC SD510, MMI 112, 5412 Seagate ST225, ST4026 None Seagate ST125, Tandon TM262 None Tandon TM 703 None None...

  • Page 96

    PCI/ISA System Board Example Type Size Cylinders Heads Sectors Write Land (MB) Precomp Zone Model 1024 None 1023 Maxtor 1085, Micropolis 1325 None 1023 Maxtor 1105 1120, 4780 None 1023 Maxtor 1170 1024 None CDC 9415 1024 None 1023 1024 None 1023 1024...

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