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48

Large Mode

The Large mode is the extended HDD access mode supported by the
system board. Some IDE HDDs have more than 1024 cylinders without
LBA support (in some cases, you may not want the LBA mode). This
system board provides another alternative to support these kinds of
HDDs.

The BIOS tells the operating system that the number of cylinders is half
of the actual number and that the number of heads is double the actual
number. During disk access, the reverse conversion is done by the
INT13h routine.

Example of Large mode:

CYLS. HEADS

SECTORS

MODE

1120

16

59

NORMAL

560

32

59

LARGE

Maximum HDD size:

no. Cylinders

(1024)

x no. Heads

( 32)

x no. Sectors

( 63)

x bytes per sector

( 512)

1 gigabyte

Note:

To support LBA or Large mode, address translation software is included
in the Award BIOS HDD Sevice Routine (INT13h). If you are running an
operating system that bypasses the BIOS Int13 Service Routine, LBA
and Large Mode may fail.

Summary of Contents for G686IPA

Page 1: ...G686IP A Rev A SystemBoard User sManual 32160809 ...

Page 2: ...e the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Notice 1 The changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to oper a...

Page 3: ...Jumper Settings for Display Type 19 Jumper Settings for CMOS Clear 20 FactoryT esting Jumpers 20 Built in Ports 21 Serial Ports 21 Parallel Port 21 Floppy Disk Drive Controller 21 IDE Hard Disk Interface 22 Universal Serial Bus Connectors 24 Installing Expansion Cards 25 Chapter 3 Software Installation 26 Award BIOS CMOS Setup Utility 26 StandardCMOSSetup 27 BIOSFeaturesSetup 31 Chipset Features S...

Page 4: ...HDDLowLevelFormat 49 Save Exit Setup 49 Exit Without Saving 50 System Error Report 50 IDE Device Drivers 52 Chapter4 TroubleshootingChecklist 53 AppendixA TypesofModules 54 AppendixB MemoryandI OMaps 55 AppendixC Connectors 57 ...

Page 5: ...owing you to install x32 or x36 SIMM The x36 SIMM supports parity checking which informs the user of memory failure and prevents error accumula tion The G686IPA system board is designed to fit into an ATX form factor chassis It is equipped with two NS16C550A compatible serial ports an SPP ECP EPP parallel port a floppy disk drive controller and two PCI IDE connectors with bus mastering capabilitie...

Page 6: ...OSupgrades IncludesNCR810SCSIBIOS ENERGYEFFICIENTDESIGN Systempowermanagementsupported CPU stopped clock control Hardware supports SMI green mode Microsoft Intel APM compliant External power management switch supported PCIIDEINTERFACE PIO Mode 3 and Mode 4 Enhanced IDE data transfer rate up to 16 6MB sec DMA Mode 2 Bus Master IDE data transfer rate up to 22 2MB sec Bus mastering reduces CPU utiliz...

Page 7: ...plyconnector EXPANSIONSLOTS 3 dedicated PCI slots 3 dedicated 16 bit ISA slots 1 shared PCI ISA slot PCB 4 layers ATX form factor 30 48cm 12 x 22 52cm 8 87 PackageChecklist The G686IPA package contains the following items The G686IPA system board The G686IPA user smanual One 40 pin IDE hard disk cable One 34 pin floppy disk drive cable One IDE driver diskette One card edge bracket with two USB por...

Page 8: ...peted floors These areas also attract static electricity which can damage some circuits on your system board Make sure the power source has a properly grounded three pronged socket It is essential that the power connection be properly grounded for correct functioning of your system board For further protection we recommend that you use a surge suppressor This will protect the sys tem board from da...

Page 9: ...mponents Perform the upgrade instruction procedures described at an ESD workstation only If such a station is not available you can provide some ESD protection by wearing an anti static wrist strap and attaching it to a metal part of the system chassis If a wrist strap is unavailable establish and maintain contact with the system chassis throughout any procedures requiring ESD protection Installin...

Page 10: ...f the memory modules de pends on the memory configuration and type of modules you intend to use 7 Install the CPU Be sure pin 1 of the CPU is aligned with pin 1 of the socket 8 Set the corresponding jumpers 9 Install the prepared G686IPA system board into the case and re place the screws 10 Reinstall all cards and connectors and replace the system unit cover Reconnect all power cords and cables We...

Page 11: ...11 BoardLayout square denotes pin 1 ...

Page 12: ...r of the banks Bank 0 or Bank 1 but you must populate a bank first before going to the next bank The G686IPA system board can support 8MB to 512MB of memory us ing 1MBx32 x36 2MBx32 x36 4MBx32 x36 8MBx32 x36 16MBx32 x36 or 32MBx32 x36 72 pin SIMMs The table below shows the supported SIM modules and their corresponding memory sizes SIMMs 1MBx32 x36 2MBx32 x36 4MBx32 x36 8MBx32 x36 16MBx32 x36 32MBx...

Page 13: ...2 x36 1MBx32 x36 2MBx32 x36 8MBx32 x36 4MBx32 x36 1MBx32 x36 2MBx32 x36 4MBx32 x36 16MBx32 x36 8MBx32 x36 1MBx32 x36 2MBx32 x36 4MBx32 x36 8MBx32 x36 16MBx32 x36 36MBx32 X36 1MBx32 x36 2MBx32 x36 4MBx32 x36 8MBx32 x36 16MBx32 x36 32MBx32 x36 SIMM2 1MBx32 x36 2MBx32 x36 2MBx32 x36 4MBx32 x36 4MBx32 x36 4MBx32 x36 8MBx32 x36 8MBx32 x36 8MBx32 x36 8MBx32 x36 16MBx32 x36 16MBx32 x36 16MBx32 x36 16MBx3...

Page 14: ...e module upright until it locks in place in the socket CPU Installation The G686IPA allows for easy installation of CPUs Make sure all jumpers are set correctly before applying power or you may damage the CPU or system board Please see the jumper settings on the following pages Use theneedle nosedplierstomovethejumpersifnecessary The table below shows the currently available Intel Pentium Pro CPUs...

Page 15: ... O n O n O n Pins 7 8 Off Off Off Off Off Off Off Off O n O n O n O n O n O n O n O n JP7 CPUBusClock PCIBusClock 60 30MHz 66 33MHz JP5 Off O n JP6 O n Off JP15 O n Off JP17 Off O n JP5 JP6 JP15 JP17 CPUCoreRatio 2x 2 5x 3x 3 5x 4x JP12 O n Off O n Off O n JP13 O n O n Off Off O n JP14 O n O n O n O n Off JP16 O n O n O n O n O n Default Warning If your Pentium Pro CPU supports VID Volt age ID set...

Page 16: ...ake note of the following The micropro cessor and heatsink may be hot if the system has been running To avoid the possibility of a burn power the system off and let the proces sor and heatsink cool for 10 minutes The 387 pin ZIF socket consists of rows of pin holes on each side To prevent improper CPU installation the ZIF socket has a Plug Keying mechanism Several holes in the socket are plugged s...

Page 17: ...l slide back Do not use screwdrivers or other tools to open the socket or you may damage the system or socket 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 very little force is needed to install the CPU If the CPU is not easily inserted verify whet...

Page 18: ...M etc must be routed clear of the CPU and its airspace FanExhaust The CPU must be kept cool by using a fan with heatsink The tempera ture of the air entering the fan heatsink cannot exceed 45o C 113o F The ambient or room temperature must be below 37o C 99o F 4 Push the handle down until the handle locks into place The top plate will slide forward You will feel some resistance as the pres sure sta...

Page 19: ...enable the PS 2 mouse set Jumper JP1 to On Make sure you connect your PS 2 mouse to connector J1 Off Disabled On Enabled default Off Mono On Color default JumperJP4 Display Type Select Jumper JP4 sets the display adapter to color or mono This jumper must match the type of display adapter installed If you change your video adapter make sure this jumper is changed accordingly Jumper Settings for Dis...

Page 20: ...ff your system and set JP10 to On Then power on your system for 5 seconds and turn it off again Set JP10 back to its default setting Off JumperSettingsforCMOSClear FactoryTestingJumpers The jumpers below are for factory testing only and should always be set to their default configuration Reconfiguring these jumpers will cause problems with your system board JP8 1 2 On 28F010 28F1000 2 3 On 29EE010...

Page 21: ...s and other serial devices They use the following system I O addresses PortConfiguration Serial Port 1 Serial Port 2 COM1 3F8h 3F8h COM2 2F8h 2F8h COM3 3E8h 3E8h COM4 2E8h 2E8h Default Parallel Port The G686IPA system board has a standard connector for interfacing your PC to a parallel printer The parallel port on your system board can be set to any of the following system I O addresses I O Addres...

Page 22: ... attached to the drive you want to designate as Drive A IDE Hard Disk Interface The G686IPA system board is equipped with two PCI IDE shrouded headers that will interface four Enhanced IDE Integrated Drive Elec tronics hard disk drives Note Only Enhanced IDE hard drives or ATAPI CD ROMs can be connected to the IDE interface Connecting the IDE Hard Disk Interface To prevent improper IDE cable insta...

Page 23: ...r J11 2 Install the other 40 pin header connector s into the device with the colored edge of the ribbon cable aligned with pin 1 of the drive edge connector s Note Refer to your disk drive user s manual for information about selecting proper drive switch settings AddingaSecondIDEHardDrive When using two IDE drives one must be set as the master and the other as the slave Follow the instructions pro...

Page 24: ...RMAT programs on a drive that has already been formatted or you will lose all programs and data stored on the drive Universal Serial Bus Connectors The G686IPA system board is equipped with two USB connectors on locations J8 and J9 on the system board USB allows data exchange between your computer and a wide range of simultaneously accessible peripherals ConnectingtheUSBPorts One optional card edg...

Page 25: ... and 1 shared PCI ISA slot All PCI slots are busmasters Refer to page 11 for the locations of the expansion slots Note The BIOS needs to be configured for the PCI add in cards installed in the PCI slots Refer to the PNP PCI Configuration presented in the Software Installation section of the manual USB port cables optional ...

Page 26: ...t time and the system does not boot the following error message will appear Press Del to enter Setup If you have set a password and selected System in the Security Op tion of the BIOS Features Setup menu you will be prompted for the password every time the system is rebooted or any time you try to enter Setup Type in the correct password and press Enter If you selected Setup in the Security Option...

Page 27: ...PNP PCI CONFIGURATION LOAD BIOS DEFAULTS LOAD SETUP DEFAULTS INTEGRATED PERIPHERALS SUPERVISOR PASSWORD USER PASSWORD IDE HDD AUTO DETECTION HDD LOW LEVEL FORMAT SAVE EXIT SETUP EXIT WITHOUT SAVING Esc F10 Quit Save Exit Setup Shift F2 Select Item Change Color Time Date Hard Disk Type ROM PCI ISA BIOS STANDARD CMOS SETUP AWARD SOFTWARE INC Date mm dd yy Mon Jul 29 1996 Time hh mm ss 13 27 50 HARD ...

Page 28: ...hese categories allow you to enter the appropriate specifications for the type of hard disk drive s installed in your system There are 45 predefined types and 4 user definable types for Enhanced IDE BIOS Type 1 to Type 45 are predefined Type user is user definable Press PgUp or PgDn to select a numbered hard disk type or type the number and press Enter The hard disk will not work properly if you e...

Page 29: ...ity 3 1 2 inch double sided drive 720 kilobyte capacity 3 1 2 inch double sided drive 1 44 megabyte capacity 3 1 2 inch double sided drive 2 88 megabyte capacity If the controller of the HDD interface is ESDI you must select Type 1 If the controller of the HDD interface is SCSI you must select None If you select Type Auto the BIOS will auto detect the HDD CD ROM drive at the POST stage and show th...

Page 30: ...rmines whether the system will stop if an error is de tected during power up The default setting is All Errors BIOS default Setup default NoErrors All Errors All But Keyboard All But Diskette All But Disk Key The system boot will not stop for any errors detected The system boot will stop whenever the BIOS detects a non fatal error The system boot will not stop for a keyboard error it will stop for...

Page 31: ...hadow D4000 D7FFF Shadow D8000 DBFFF Shadow DC000 DFFFF Shadow Enabled Disabled Disabled Disabled Disabled Disabled Disabled ESC F1 F5 F6 F7 Quit Help Old Values Load BIOS Defaults Load Setup Defaults PU PD Shift F2 Select Item Modify Color Base Memory Extended Memory Other Memory This refers to the amount of base or conventional memory installed on the system board This is the amount of memory lo...

Page 32: ...ling or running certain operating systems like Windows 95 or the operating system may not install nor work BIOS issues a warning when any program or virus sends a Disk Format command or attempts to write to the boot sector of the hard disk drive No warning message will appear when the hard disk drive is accessed Enabled Disabled CPUL1CacheandCPUL2Cache These categories speed up memory access provi...

Page 33: ...is disabled and the system is booting from the floppy drive the system will boot from drive A Enabled Disabled BootUpFloppySeek During POST the BIOS will determine if the floppy disk drive installed is 40 or 80 tracks 360K type is 40 tracks while 760K 1 2M and 1 44M are all 80 tracks The BIOS will check whether the floppy disk drive installed is 40 or 80 tracks Note that the BIOS cannot tell from ...

Page 34: ...tem will not boot and access to Setup will be denied if the correct password is not entered at the prompt The system will boot but access to Setup will be denied if the correct password is not entered at the prompt System Setup PCI VGAworkingwithMPEGISA VESAVGACard PCI VGAnotworkingwithMPEGISA VESAVGACard Enabled Disabled PCI VGAPaletteSnoop This is used to select whether to allow the MPEG ISA VES...

Page 35: ... based on the specific features of the chipset This chipset manages bus speeds and access to system memory resources It also coordinates communications be tween the conventional ISA bus and the PCI bus These items should not be altered unless necessary The default settings have been chosen because they provide the best operating conditions for your system The only time you might consider making an...

Page 36: ...lts PU PD Shift F2 Select Item Modify Color AutoConfiguration Enabled Disabled The system will set the DRAM Speed Selection to the ISA Bus Clock categories automatically This allows you to set the DRAM Speed Selection to the ISA Bus Clock categories manually DRAMECC ParitySelect Enables the memory parity check If the system DRAM has no parity bit the system will display RAM parity error The system...

Page 37: ...n On On On Off ESC F1 F5 F6 F7 Quit Help Old Values Load BIOS Defaults Load Setup Defaults PU PD Shift F2 Select Item Modify Color PowerManagementSetup The Power Management Setup allows you to configure your system to most effectively save energy PowerManagement This category allows you to select the type or degree of power saving and is directly related to the following modes Doze Mode Standby Mo...

Page 38: ... user configurable only when the Power Management category is set to User Defined They are used to define the idle time that elapses before the system enters the power saving mode When enabled and after the set time of system inactivity the CPU clock will run at slower speed while all other devices still operate at full speed When enabled and after the set time of system inactivity the fixed disk ...

Page 39: ...r prevent the system from going into a power saving mode nor awaken it PNP PCI Configuration This section describes configuring the PCI bus system PCI or Periph eral Computer Interconnect is a system which allows I O devices to op erate at speeds nearing the speed the CPU itself uses when communi cating with its own special components This section covers some very technical items and it is strongl...

Page 40: ...or PnP ISA or PCI cards select PCI ISAPnP Auto Manual ResetConfigurationData Enabled Disabled The BIOS will reset the configuration data automatically The BIOS will not reset the configuration data PCIIRQActivedBy This category is used to set the method by which the PCI bus recog nizes that an IRQ service is being requested by a device Under all circumstances you should retain the default configur...

Page 41: ...high performance features You should use these values only if you have hardware problems Highlight this option on the main menu and press Enter The message below will appear Load BIOS Defaults Y N N If you want to proceed press Y and the default settings will be loaded LoadSetupDefaults The Load Setup Defaults option loads optimized settings from the BIOS ROM Use the Setup default values as standa...

Page 42: ...s Load BIOS Defaults Load Setup Defaults PU PD Shift F2 Select Item Modify Color Integrated Peripherals USB Controller Disabled IDEHDDBlockMode Enabled Disabled The IDE HDD uses the block mode The system BIOS will check the hard disk drive for the maximum block size the system can transfer The block size will depend on the type of hard disk drive The IDE HDD uses the standard mode Auto 0 4 The BIO...

Page 43: ...boardFDDController Enables the onboard floppy disk controller Disables the onboard floppy disk controller Enabled Disabled Onboard Serial Port 1 and Onboard Serial Port 2 Selects COM1 COM4 for the onboard serial port 1 and serial port 2 Disables the onboard serial port 1 and serial port 2 COM1to COM4 Disabled Infrared IR Function The G686IPA system board supports IrDA function for wireless connec ...

Page 44: ...ves data simultaneously IRTransferMode Half Dup Full Dup OnboardParallelPort Selects the I O address and IRQ for the onboard parallel port Disables the onboard parallel port 378H IRQ7 3BCH IRQ7 278H IRQ5 Disabled OnboardParallelMode Selects the parallel port mode according to the type of printer device connected to your onboard parallel port SPP EPP ECP ECP EPP USBController By default the USB con...

Page 45: ...rmPassword You are asked to verify the password Type in exactly the same pass word If you type in a wrong password you will be prompted to enter the correct password again To delete or disable the password function highlight Supervisor Pass word and 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 previous...

Page 46: ...to the one below will appear ROM PCI ISA BIOS CMOS SETUP UTILITY AWARD SOFTWARE INC HARD DISKS TYPE SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master Select Primary Master Option N Skip N OPTIONS 1 Y Note Some OSes like SCO UNIX must use NORMAL for installation ESC Skip SIZE 345 MODE NORMAL SECTOR 57 LANDZ 789 PRECOMP 65535 HEAD 15 CYLS 790 Enter your choice and press Enter to accept the par...

Page 47: ...ugh the physical size of the HDD may be greater than that LBA Logical Block Addressing Mode The LBA mode is a HDD accessing method to overcome the 528 mega byte limitation The number of cylinders heads and sectors shown on the screen may not be the actual number for the HDD During the HDD accessing the IDE controller will transform the logical address described by the sector head and cylinder numb...

Page 48: ...the actual number and that the number of heads is double the actual number During disk access the reverse conversion is done by the INT13h routine Example of Large mode CYLS HEADS SECTORS MODE 1120 16 59 NORMAL 560 32 59 LARGE MaximumHDDsize no Cylinders 1024 x no Heads 32 x no Sectors 63 x bytes per sector 512 1 gigabyte Note To support LBA or Large mode address translation software is included i...

Page 49: ... will appear Save ExitSetup 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 and press Enter The modifications you have made will be written into the CMOS memory and the system will reboot You will once again see the initial diag...

Page 50: ...ssage PRESS F1 TO CONTINUE CTRL ALT ESC or DEL TO ENTER SETUP will be shown in the information box at the bottom Enter Setup to correct the error POSTBeep Currently there are two kind of beep codes in BIOS The one code indicates that a video error has occured and the BIOS cannot initialize the video screen to display any additional information This beep code consists of a signle long beep followed...

Page 51: ...m FLOPPY DISK S fail 40 FloppyTypedismatch Hard Disk s fail 80 HDD reset failed Hard Disk s fail 40 HDD controller diagnostics failed Hard Disk s fail 20 HDD initialization error Hard Disk s fail 10 Unable to recalibrate fixed disk Hard Disk s fail 08 Sector Verify failed Keyboard is locked out Unlock the key BIOS detect the keyboard is locked Keyboard controller is pulled low Keyboard error or no...

Page 52: ...BIOS reports the memory test fail if the onboard is tested error IDEDeviceDrivers To install the IDE device drivers supported by the G686IPA system board please refer to the Readme file contained in the provided dis kette ...

Page 53: ... in doubt refer to the Hardware Installation section 2 Verify that all SIMMs are seated securely into the bank sockets 3 Make sure the SIMMs are in the correct locations 4 Check that all populated memory banks are filled with correctly sizedSIMMs 5 If your board fails to function place the board on a flat surface and seat all socketed components gently press each component into the socket 6 If you...

Page 54: ...Bx32 2MBx32 4MBx32 x36 4MBx32 x36 4MBx32 x36 4MBx32 x36 4MBx32 4MBx32 8MBx32 16MBx32 Brand Fujitsu OKI OKI NEC Micron TI Micron Micron NEC Hitachi Fujitsu Mitsubishi Hitachi NEC NEC NEC LGS ChipNumber 81C1000A 70 M51440A 70 M511000B 70 424400 60 40447 60 TMS4400DJ 70 MT4C4007 70 EDO MT4C4007 60 EDO 4218165 60 EDO 7400AS 70 8117400 70 422A06 70 5117400AS 70 4217400 60 4217405 70 EDO 4217405 60 EDO ...

Page 55: ...000to 000EFFFF 000F0000to 000FFFFF 00100000to 1FFFFFFF Function SystemBoardMemory Reserved for Graphics DisplayMemory ReservedforROMon I OAdapterCard SystemBoardBIOS SystemBoardMemory Name 640KBSystem BoardRAM 128KBVideo DisplayMemory 192KBI O ExpansionROM 64KBROMon theSystemBoard Maximum Memory512MB ...

Page 56: ...BF Interrupt Controller 2 8259A 00C0 00DF DMA Controller 2 8237A 5 00E8 ShadowRAMandCacheControlBit 00F0 ClearNumericProcessor ExtensionBusy 00F1 Reset Numeric Processor Extension 00F8 00FF Numeric Processor Extension 01F0 01F8 FixedDisk 0200 0207 GameI O 0278 027F Parallel Printer Port 2 02F8 02FF Serial Port 2 0300 031F PrototypeCard 0360 036F Reserved 0378 037F Parallel Printer Port 1 0380 038F...

Page 57: ...t Parallel printer port CPUfanconnector USB0connector USB1connector Floppy disk drive connector Secondary IDE hard disk drive connector Primary IDE hard disk drive connector HDLEDconnector GreenLEDconnector Greenswitchconnector Resetswitchconnector Speakerconnector Keylock connector IrDA connector ATX power switch connector ATXpowerLEDconnector ATXpowerconnector AT power connector ...

Page 58: ... J16 Greenswitchconnector Pin 1 2 Function Signal Ground J17 Reset switch connector Pin 1 2 Function Signal Ground J15 GreenLEDconnector Pin 1 2 Function LEDPower Signal J14 HDLEDconnector Pin 1 2 Function LEDPower Signal J6 CPUfanconnector Pin 1 2 3 4 5 6 Function 12V FanStatus Ground Ground FanStatus 12V J18 Speakerconnector Pin 1 2 3 4 Function Signal N C Ground 5V ...

Page 59: ... 10 11 12 13 14 15 16 17 18 19 20 Function N C N C Ground 5V Ground 5V Ground PW OK 5VSB 12V N C 12V Ground PS ON Ground Ground Ground 5V 5V 5V PL2 ATpowerconnector Pin 1 2 3 4 5 6 7 8 9 10 11 12 Function PowerGood 5V 12V 12V Ground Ground Ground Ground 5V 5V 5V 5V J8 J9 USB0 USB1connector Pin 1 2 3 4 5 Function 5V Data Data Ground Ground ...

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