TYAN S1461 Manual Download

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7.4 RTC & CMOS RAM MAP

RTC & CMOS:

Seconds

Seconds alarm

Minutes

Minutes alarm

Hours

Hours alarm

Days of the week

Days of the month

Month

Year

Status register A

Status register B

Status register C

Status register D

Diagnostic status byte

Shutdown byte

Floppy DISK drive type byte

Reserved

HARD DISK type byte

Reserved

Equipment byte

Base memory low byte

Base memory high byte

Extension memory low byte

Extension memory high byte

19-2d

Reserved

2E-2F 2-byte CMOS RAM checksum
30

Reserved for extension memory low byte

Reserved for extension memory high
byte

DATE CENTURY byte

INFORMATION FLAG

34-3f

Reserved

40-7f

Reserved for CHIPSET SETTING DATA

S1461/6-001-01

Summary of Contents for S1461

Page 1: ...umpers S1463 1 6 3 9DRAMInstallation 1 8 3 10CPUInstallation 1 9 3 11UnderstandingTheDifferentClockSpeeds 2 0 3 12UpgradingCacheMemory 2 1 3 13 CMOS RTC 2 2 3 14SpeakerConnectorInstallation 2 2 3 15TurboSwitch 2 2 3 16TurboLEDConnectorInstallation 2 3 3 17HardwareResetSwitchConnectorInstallation 2 3 3 18FlashEPROMJumpers 2 3 3 19HardwarePassword CMOSReset 2 3 3 20PeripheralDeviceInstallation 2 4 3...

Page 2: ...usConnectorPinOut 5 8 7 1 1ISASlotPinOut 5 8 7 1 2PCI BusSlotPinOut 5 9 7 2Timer DMAChannelMap 6 0 7 3 Interrupt Map 6 0 7 4RTC CMOSRamMap 6 1 AppendixA PostCodes 62 Informationpresentedinthispublicationhasbeencarefullycheckedfor reliability however noresponsibilityisassumedforinaccuracies The informationcontainedinthisdocumentissubjecttochangewithout notice T rademarks A w ardBIOS Flasharetradema...

Page 3: ...us slots 4 ISA Bus slots 3 Master Slave PCI Bus slots 5 ISA Bus slots for S1463 Supports PentiumProcessors 75 thru 166 MHz Supports true 64 bit CACHE and DRAM access mode Supports ZIF Socket 7 Supports 256 512KB 2nd level cache memory either synchronous or standard SRAM CPU WRITE BACK cache operation On board EIDE PCI controller Supports PIO Mode 0 1 2 3 4 and Bus Master mode1 2 operations Support...

Page 4: ...12 KB on board 2nd level cache memory Support Pentium BURST read write mode on 2nd level cache memory access Supports either synchronous or standard SRAM EIDE Controller Primary and secondary PCI EIDE channels on board for support of up to four EIDE Mode 0 through Mode 4 drives Shadow RAM Main BIOS function Video BIOS shadow function programmable Shadow RAM caching function programmable I O Bus Sl...

Page 5: ...1 5 Environment Ambient Temperature 0 to 50 C operating RelativeHumidity 0 to 85 operating Altitude 0 to 10 000 feet operating V ibration 0to1 000Hz V oltage 4 9 to 5 2 V S1461 6 001 01 3 ...

Page 6: ...uld be wearing an anti static wristband grounded at the same point as the anti static mat Inspect the main board carton for obvious damage Shipping and handling may cause damage to your board Be sure there are no shipping and han dling damage on the board before proceeding After opening the mainboard carton extract the system board and place it only on a grounded anti static surface component side...

Page 7: ... S1466 matches the IBM A T system board spec It is assumedthatthechassisisdesignedforastandardIBMXT A Tmainboard Place the chassis on the anti static mat and remove the cover Remove the plastic clips nylon stand offs and screws for mounting the system board and keep them separate S1461 6 001 01 5 ...

Page 8: ...et J21 Turbo LED J16 Turbo Switch J26 Speaker J20 IDE LED Pin1 1 82438FX 82438FX 82437FX 3 OnBoardResourceSetting PCB Rev 03 J14 J19 J18 J24 J22 J74 J73 J15 J23 J71 J72 Figure3 1S1466BoardLayoutRev03 J70 KB CTR The following jumpers must be left at the default positions J30 Closed J9 1 2 J74 Closed J7 1 2 J13 2 3 J71 Closed J8 1 2 J73 Closed All other jumpers are reserved J18 J19 J14 J15 CPU Speed...

Page 9: ...tion Closed for hardware reset J1 J23 J22 L2 Cache Size Selection Cache Size J1 J23 J22 256kb 2 3 On Off 512kb 1 2 Off On J25 Power LED and Keylock Connector 1 LED anode 2 NC 3 LED cathode 4 Keylock 5 GND J26 Speaker Connector 1 Data Out 2 NC 3 GND 4 5 VDC J16 Turbo Switch Connector Harware turbo switch is not supported Use Ctrl Alt for non turbo mode Use Ctrl Alt forturbomode S1461 6 001 01 7 ...

Page 10: ...z Pentium Off On Off Off 100MHz Pentium On Off Off Off 90MHz Pentium On On Off Off 75MHz Pentium J14 J15 CPUClockMultiplier J14 J15 CPU Mode Off Off CPUx1 5 75 90 100MHz On Off CPU x 2 120 133MHz On On CPUx2 5 150 166MHz Off On CPU x 3 150MHz J10 Reset CMOS and clear Password OFF NormalOperation ON Clears Password and resets CMOS to default J20 On Board IDE LED Used to show on board IDE drive acti...

Page 11: ... 1 1 1 1 1 J20 J25 Keylock J17 Reset J21 Turbo LED J16 Turbo Switch J26 Speaker J20 IDE LED Pin1 1 J18 J19 J14 J15 J22 J23 82438FX 82438FX 82437FX S1466BoardLayoutRev02 3 3OnBoardResourceSetting PCB Rev 02 J18 J19 J14 J15 CPU Speed On On Off Off 75 MHz On Off Off Off 90 MHz Off On Off Off 100 MHz On Off On Off 120 MHz Off On On Off 133 MHz On Off On On 150 MHz On On Off On 150 MHz Off On On On 166...

Page 12: ...sed for hardware reset J1 J23 J22 L2 Cache Size Selection Cache Size J1 J23 J22 256kb 2 3 On Off 512kb 1 2 Off On J25 Power LED and Keylock Connector 1 LED anode 2 NC 3 LED cathode 4 Keylock 5 GND J26 Speaker Connector 1 Data Out 2 NC 3 GND 4 5 VDC J16 Turbo Switch Connector Harware turbo switch is not supported Use Ctrl Alt for non turbo mode Use Ctrl Alt forturbomode S1461 6 001 01 1 0 ...

Page 13: ...3MHz Pentium On Off On Off 120MHz Pentium Off On Off Off 100MHz Pentium J14 J15 CPUClockMultiplier J14 J15 CPU Mode Off Off CPUx1 5 75 90 100MHz On Off CPU x 2 120 133MHz On On CPUx2 5 150 166MHz Off On CPU x 3 150MHz J10 Rset CMOS and clear Password OFF NormalOperation ON Clears Password and resets CMOS to default J20 On Board IDE LED Used to show on board IDE drive activity Only pins 1 and 2 are...

Page 14: ...21 J6 J22 2 3 1 2 On Off Off On 256KB 512KB J26 Keylock J23 Turbo LED J17 Turbo Switch J27 Speaker 1 1 1 1 1 1 J14 1 J9 J8 J7 Pin1 1 J16 J15 1 82438FX 82438FX 8 2 4 3 8 F X J15 J16 J20 J24 CPU Speed On On Off Off 75 MHz Off On Off Off 90 MHz On Off Off Off 100 MHz Off On On Off 120 MHz On Off On Off 133 MHz On On Off On 150 MHz Off On On On 150 MHz On Off On On 166 MHz J25 J24 J20 J21 J22 S1461 6 ...

Page 15: ... for hardware reset J6 J22 J21 L2 Cache Size Selection Cache Size J6 J22 J21 256KB 2 3 On Off 512KB 1 2 Off On J26 Power LED and Keylock Connector 1 LED anode 2 NC 3 LED cathode 4 Keylock 5 GND J27 Speaker Connector 1 Data Out 2 NC 3 GND 4 5 VDC J17 Turbo Switch Connector Harware turbo switch is not supported Use Ctrl Alt for non turbo mode Use Ctrl Alt forturbomode S1461 6 001 01 1 3 ...

Page 16: ...e 2 LED anode J15 J16 J20 SystemSpeedSelection J15 J16 J20 J24 CPU Speed On Off On On 166MHz Pentium Off On On On 150MHz Pentium On On Off On 150MHz Pentium On Off On Off 133MHz Pentium Off On On Off 120MHz Pentium On Off Off Off 100MHz Pentium Off On Off Off 90MHz Pentium On On Off Off 75MHz Pentium S1461 6 001 01 1 4 J20 J24 CPUClockMultiplier J20 J24 CPU Mode Off Off CPU x 1 5 75 90 100MHz On O...

Page 17: ... J15 J4 J20 J21 Cache Size 2 3 Off On 256KB 1 2 On Off 512KB J14 Reset J25 Keylock J15 Turbo Switch J26 Speaker J18 IDE LED J24 Turbo LED J17 J16 1 J29 J30 J31 J22 J21 J20 J27 J28 J19 J23 BIOS AMI AWARD RTC 1 1 Secondary IDE Primary IDE ISA Slot 1 J16 J17 J19 J23 CPU Speed On On Off Off 75MHz Off On Off Off 90MHz On Off Off Off 100MHz Off On On Off 120MHz On Off On Off 133MHz Off On On On 150MHz O...

Page 18: ...al operation Closed for hardware reset J4 J20 J21 L2 Cache Size Selection Cache Size J4 J20 J21 256KB 2 3 Off On 512KB 1 2 On Off J25 Power LED and Keylock Connector 1 LED anode 2 NC 3 LED cathode 4 Keylock 5 GND J26 Speaker Connector 1 Data Out 2 NC 3 GND 4 5 VDC J15 Turbo Switch Connector Harware turbo switch is not supported Use Ctrl Alt for non turbo mode Use Ctrl Alt forturbomode ...

Page 19: ...f Off Off 100MHz Off On On Off 120MHz On Off On Off 133MHz On On Off On 150MHz Off On On On 150MHz On Off On On 166MHz J11 Reset CMOS and clear Password Used to reset CMOS and clear BIOS Password OFF NormalOperation ON Clears Password and resets CMOS to default J18 On Board IDE LED Used to show on board IDE drive activity Only pins 1 and 2 are used S1461 6 001 01 1 7 ...

Page 20: ...ed in pairs Refer to Fig 3 2 for DRAM installation location Pin 1 of the SIMM module must match the Pin 1 of SIMM socket Insert the DRAM SIMM module into the socket at a 45 degree angle If the SIMM module is inserted on the wrong side it can not be plugged into the socket After insertion press the SIMM module in a vertical direction until both left and right metal holders latch S1461 6 001 01 1 8 ...

Page 21: ...assembly is required to protect the CPU from being damaged 1 Make sure the ZIF socket lever is up To raise the lever pull it out to the side a little and raise it as far as it will go The top plate will slide back 2 Align the CPU and socket Pin 1 corners The pins on the bottom should align with the rows of holes in the socket 3 Insert the CPU in the socket It should insert easily If it does not ad...

Page 22: ...Bus Internal Clock Clock Clock 75 MHz 50MHz 25MHz 90 MHz 60MHz 30MHz 100 MHz 66 67MHz 33MHz 120 MHz 60MHz 30MHz 133 MHz 66 67MHz 33MHz 150 MHz 60or50MHz 30or25MHz 166 MHz 66 67MHz 33MHz In the table above the 50 60 and 66 67 MHz figures are oscillator speeds thatestablishtheexternalclockspeed ThePCIBusclockspeedisfixedat one half of the mainboard clock speed The 150MHz Pentium when set for 2 5x mo...

Page 23: ...damage to your SRAM chips Refer to the diagram below All SRAM chips must be 15ns nanoseconds or faster The chart below shows the chips you need for each configuration S1461 J22 J21 J6 SRAM Chip type and Pin S1463J21 J20 J4 Size Qty needed configuration On Off 2 3 256KB Eight32K 8 28pin chip Off On 1 2 512KB Eight64K 8 32pin chip All the standard SRAMs must have 3 3V output Please contact the MANUF...

Page 24: ...m Normally the life span of a RTC internal battery is 10 years When replacing you should use the same model 3 14 Speaker Connector Installation S1461 3 6providesa4 PinheaderJ26 S1463 6 orJ27 S1461 toconnect the speaker The polarity can go either way 3 15 Turbo Switch The front panel on your case may have a turbo switch to control system speed when slower program execution is required for software ...

Page 25: ...updated as new versions of the BIOS becomes available The flash utility will guide you through the process step by step J7 J8 and J9 determines which type of EPROM is used These jumpers have been set to match the on board BIOS chip The factory default for the S1461 3 6 is on pins 1 2 for J7 and 1 2 for J8 and J9 Depending on the type of EPROM used some boards will have J7 on pins 2 3 Refer to chap...

Page 26: ...peripheral devices If a PCI Bus interface card is to be installed in the system any one of the four PCI Bus slots can support either a Master or a Slave device After installing the peripheral controller the user should check everything S1461 6 001 01 2 4 again and prepare to power on the system 3 21Turbo Non Turbohotkeys press Ctrl Alt turnoffturbofunction press Ctrl Alt turnonturbofunction ...

Page 27: ...wer connector pinout Pin1 To connect the leads from either voltage power supply you should first make sure the power supply is unplugged Most power supplies have two leads Each lead has six wires two of which are black Orient the connectors so the black wires are in the middle of the 5V power supply Caution Some power supplies also include 3V connectors The connection wires normally have two color...

Page 28: ...n the mainboard Y ou may need to hold the lead at an angle to line it up Once you have the guide pins aligned press the lead connector so that the plastic clips on the lead snap into place and secure the lead to the connec tor Connecting 5V power supply S1461 6 001 01 2 6 ...

Page 29: ...ly press Ctrl Alt and Esc keys TO ENTER SETUP BEFORE BOOT PRESS CTRL ALT ESCORDELKEY If the message disappears before you respond and you wish to enter Setup restart the system by turning it OFF then ON or by pressing Reset on the systemcase Y oum ayalsorestartbysimultaneouslypressing Ctrl Alt and Del keys If you do not press the keys at the correct time the system will not boot and an error messa...

Page 30: ...neral help only for Status Page Setup menu and Option Page Setup Menu F2 key Change color froma total of 16 colors F3 key Calendar only for Status Page Setup Menu F4 key Reserved F5 key Restore the previous CMOS value only for Option Page Setup Menu F6 key Load defaults F8 key Reserved F9 key Reserved F10 key Save all CMOS changes only for Main Menu ...

Page 31: ...gure 4 1 will appear on the screen The Main Menu allows you to select from the eight setup functions and 2 exit choices Use the arrow keys to select among the items and press Enter to accept or enter the sub menu Figure 4 1 Main Menu ROM ISA BIOS 2A59CT51 CMOS SETUP UTILITY A W ARD SOFTWARE INC ESC Save ExitSetup F10 Quit Shift F2 Change Color Select Item Time Date HardDiskType STANDARDCMOSSETUP L...

Page 32: ... power management options PCI slot configuration This setup page allows you to modify the configuration of PCI slot paramters Load setup defaults BIOSdefaultsindicatethemostappropriatevaluesofeachsystemparam eter for your system Password setting Change set or disable password It allows you to limit access to the systemand Setup IDE HDD auto detection Automatically configure hard disk parameters Sa...

Page 33: ...one 0mb 0 0 0 0 0 Secondary Master none 0mb 0 0 0 0 0 Secondary Slave none 0mb 0 0 0 0 0 Drive A 1 44 M 3 5 in Drive B 1 2M 5 25in Video EGA VGA Halt On All errors 4 5 StandardCMOSSetupMenu The items in Standard CMOS Setup Menu Figure 4 2 are divided into 9 categories Each category includes one or more setup items Use the arrows to highlight the itemand use the PgUp or PgDn keys to select the valu...

Page 34: ...ndary Drive type This category identifies the types of hard disk drives that have been in stalled in the computer There are 46 predefined types and a user definable type Press PgUp or PgDn to select a numbered hard disk type or type a number and press Enter Note that the specifications of your drive must match with the drive table The hard disk will not work properly if you enter improper informat...

Page 35: ...OS Base Memory The POST of the BIOS will determine the amount of base or conventional memory installed in the system The value of the base memory is typically 640K Extended Memory The BIOS determines how much extended memory is present during the POST This is the amount of memory located above 1MB in the CPU s memory address map S1461 6 001 01 3 3 Video This category detects the type of graphics a...

Page 36: ...ry free for application programs as possible 4 6 BIOSFEATURESSETUP ROMISABIOS BIOSFEATURESSETUP A W ARDSOFTW ARE INC S1461 6 001 01 34 VideoBIOSShadow Enabled C8000 CBFFF Shadow Disabled CC000 CFFFF Shadow Disabled D0000 D3FFF Shadow Disabled D4000 D7FFF Shadow Disabled D8000 DBFFF Shadow Disabled DC000 DFFFF Shadow Disabled V irus W arning Enabled CPUInternalCache Enabled ExternalCache Enabled Bo...

Page 37: ...ppear when anything attemps to access the boot sector or hard disk partition table CPU Internal Cache External Cache These two categories speed up the memory access However it de pends on the CPU Chipset design Default value is Enabled Enabled Enables the cache Disabled Disables the cache Boot Sequence This category determines which drive the computer searches first for the disk operating system i...

Page 38: ...ber keys Off Keypad is arrow keys Memory Parity Check The default value is disabled Gate A20 Option Gate A20 controls the ability to access memory addresses above 1 MB by enabling Fast or disabling Normal access to the processor Default value is Fast Typematic Rate Setting Typematic Rate char sec and Typematic Delay Typematic Rate Setting enables or disables the following two options TheTypematic ...

Page 39: ...g Disabled PCI Bursting Enabled ESC Quit Select Item F1 Help PU PD Modify F5 OldV alues Shift F2 Color F6 Load BIOS Defaults F7 Load Setup Defaults 4 7ChipsetFeaturesSetup This screen controls the settings for the board s chip set The controls for this screen are the same as the previous screen TheChipsetFeaturesScreen Video BIOS Shadow It determines whether V ideo BIOS will be copied to RAM howev...

Page 40: ...ult is disabled Enable for best performance Memory Hole at 15M 16M There are two options Disabled and Enabled Default is disabled IDE Block Mode This option lets you enable or disable the IDE Block Mode transfer This option is dependent on your IDE hard drive Default value is Disabled IDE Primary Secondary Master Slave PIO This option lets you select PIO modes for your IDE drives The default is Au...

Page 41: ...p Event Off IRQ14 HardDisk Off IRQ12 W ake Up Event Off IRQ15 Reserved Off Power Down Activities Com Ports Accessed Off LPT Ports Accessed Off Drive Ports Accessed Off PowerManagement Options are disabled user defined Min saving and Max saving PMControlbyAPM Options are Y es and No When set for No system BIOS will ignore APM when power managing the system If set on Y es the system BIOS will wait f...

Page 42: ...efore the system enters Doze mode StandbyMode Defines the continous idle time before the system enters Standby mode PowerDownActivities Defines the the activities that can cause the PM timers to reload Break ing out of PM Mode S1461 6 001 01 40 ...

Page 43: ...NTD PCI Slot4 INTB INTA PCI Slot4 INTC INTB PCI Slot4 INTD INTC S1461 6 001 01 41 4 8PCISlotConfiguration ROM ISA BIOS PCI SLOT CONFIGURA TION A W ARD SOFTWARE INC Slot1 Using INT AUTO Slot2 Using INT AUTO Slot3 Using INT AUTO Slot4 Using INT AUTO 1st A vailable IRQ 10 2ndA vailable IRQ 11 3rdA vailable IRQ 12 4thA vailable IRQ 9 PCI IRQ Actived By Level PCI IDE IRQ Map To Auto Primary IDE INT A S...

Page 44: ...ult value is A Secondary IDE INT Select the PCI INT that the Secondary IDE controller will use Default value is B If you use FOUR NCR 810 825 SCSI PCI cards in the system you need to assign IRQ 10 for the card that is in slot 1 In the sameway assign IRQ 11 for the card in slot 2 assign IRQ12 for the card in slot 3 and assign IRQ 9 for the card in slot 4 However no matter which slot the SCSI PCI ca...

Page 45: ...xitSetup F10 Quit Shift F2 Change Color Select Item LoadSETUPDefaultsexceptstandardCMOSSETUP Load SETUP defaults To load SETUP default values to CMOS SRAM enter Y If not enter N If any problem has occurred loading the SETUP DEFAULTS is recommended 4 10 PASSWORDSETTING Whenyouselectthisfunction thefollowingmessage will appear at the center of the screen to assist you in creating a password ENTER PA...

Page 46: ...sked to confirmthe password Type the passwordagainandpress Enter Y ou may also just press Esc to abort the selection and not enter a password To disable the password just press Enter when you are prompted to enter a password A message will confirm that the password has been disabled the systemwill boot and you can enter Setup freely PASSWORD DISABLED IfyouselectSystematSecurityOptionofBIOSFeatures...

Page 47: ... reported by BIOS Type N to keep the old H D D parameter info 4 12 SAVE EXITSETUP STANDARDCMOSSETUP PASSWORDSETTING BIOSFEA TURESSETUP IDEHDDAUTODETECTION CHIPSETFEA TURESSETUP DAVE EXITSETUP PCISLOTCONFIGURA TION EXITWITHOUTSA V ING LOADSETUPDEFAULTS ESC Save ExitSetup F10 Quit Shift F2 Change Color Select Item Time Date HardDiskType ROM ISA BIOS CMOS SETUP UTILITY A W ARD SOFTWARE INC Save to CM...

Page 48: ...EYBOARDSETTINGFUNCTION After booting the O S there are some special functions used by the key boardasfollows CTRL_ALT_DEL Pressingthesekeyssimultaneouslywillcausethe systemto WARMSTART SoftReset CTRL_ALT_ Pressing these keys simultaneously will change the systemspeed to high speed Turbo all cache memory enabled S1461 6 001 01 46 ...

Page 49: ... C 1994 American Megatrends Inc Setup Utility Standard Advanced Chipset DetectMaster DetectSlave Power Mgnt Color Set Security Default Password Anti Virus Original Optimal Fail safe Alt H Help 5 1 Standard Setup Options Date Day and Time Configuration Select the Standard Option then select the Date and Time Icon The cur rent values for each category are displayed Use the arrow keys or mouse to hig...

Page 50: ... W rite precompensation Landing Zone Sectors and Capacity Floppy Drive A Floppy Drive B Move the cursor to these fields via the up and down arrow keys and select the floppy type The settings are 360 KB 5 1 4 inch 1 2MB 5 1 4 inch 720MB31 2inch 1 44MB31 2inchand2 88MB31 2inch 5 2 Advanced Setup The WINBIOS Setup options described in this section are selected by choosing the Advanced Setup Icon from...

Page 51: ...s 0 300 In most instances 0 300 should be used The default is 0 300 W ait for F1 if Any Error Enable this option to display the message Hit F1 to continue when the system encounters an error during POST The default is Enabled System Boot Up Num Lock This option lets you turn on or off the numlock for the keyboard during boot up The default is ON Floppy Drive Seek at Boot This option enables or dis...

Page 52: ... ROM should be set for cache for best performance The adaptor ROM area should be left disabled unless the device in that region can support shadowing Its ROM being copied to RAM for better performance The default is disabled IDE Block Mode If you know the maximum s b Sectors per Burst of your drive then it can be chosen here If you are not sure about your drive specs then choose auto The options a...

Page 53: ...cessing data on IDE drives Data is accessed by block addresses rather than the traditional Cylinder Header Sector scheme LBA Mode also breaks the 528MB size limit imposed by older IDE drives Enable only if your drive can support LBA The default is disabled Secondary Ctrl Drives Present This option specifies the number of IDE drives controlled by the onboard secondary IDE controller The settings ar...

Page 54: ...lette Snooping The purpose of this option is to allow multiple VGA devices on different busses in a systemto have data written fromthe CPU to each set of palette registers of every video device ISA VGA and a PCI VGA The options are enabled or disabled The default is enabled IRQx Available to x IRQ 3 4 5 7 9 10 11 These options allow interrupts to be specified as being used by legacy ISA devices or...

Page 55: ...fault is disabled VESA Video Power Down In This option specifies which mode the video will power down in The options are disabled standby or suspend The default is disabled VESA Power Down In This option specifies the power saving mode for the video The options are standy suspend or off The default is standby Slow Clock Ratio This ratio indicates the amount the CPU will be slowed when the CPU ente...

Page 56: ...Virus If enabled this option will protect the boot sector of the hard disk drive Nothing can be written to the boot sector while this option is enabled This option should be disabled if you are installing a new operating system that writes to the boot sector The default is disabled 5 7 Defaults Original This option restores the CMOS setup to factory default settings Optimal This option will config...

Page 57: ...grammedbytheFMW Thefollowingthreefilesm akeuptheFMW A W DFLASH EXE TheFlashMemoryW riterutilityfor AwardtoAwardupgrade AMIFLASH COM TheFlashMem oryWriterutilityfor AMItoAMIupgrade README Atextfileofinstructions S61AWXX BIN XX A2 digitversionnumber Flashmemorywriterrecords or program s anewBIOS ontotheflashmemorychip Y oucannotupgradeanA w ard BIOStoaAMIBIOSoraAMIBIOStoanAwardBIOS Thisfilenameissub...

Page 58: ...ingorwithanym emorymanagersoftware Y oumust disableanymemorymanager first Theeasiestwaytodothis isto a Bootyoursystemfromabootablefloppydiskwithno CONFIG SYSorAUTOEXEC BA Tfiles andthenrunFlash MemoryW riterfromabackupcopyofyoursupportdisk Y ou canm akeyourback upfloppybootablewhenyouform atit and useonediskforbothpurposes b IfyouareusingMS DOS6 x youcanusethefeature that allowsyoutobypass theCONF...

Page 59: ...rd with the new BIOS file Y ou should choose yes to save the original system BIOS to a floppy diskette before you programthe new BIOS This leaves you with a backup of your original BIOS in case you need to re install it This option is highly recommended If you can not sucessfully programthe BIOS file for whatever reason re install you original BIOS fromthe backup file W arning If you do not succes...

Page 60: ...DACK1 DRQ1 REFRESH BCLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2 T C BALE 5V OSC GND I O CH CHK SD07 SD06 SD05 SD04 SD03 SD02 SD01 SD00 I O CH RDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA09 SA08 SA07 SA06 SA05 SA04 SA003 SA02 SA01 SA00 D01 D02 D03 D04 D05 D06 D07 D08 D09 D10 D11 D12 D13 D14 D15 D16 D17 D18 C01 C02 C03 C04 C05 C06 C07 C08 C09 C10 C11 C12 C13 C14 C15 C16 C17 C18 MEMC16 I OCS16...

Page 61: ... B49 B50 B51 B52 B53 B54 B55 B56 B57 B58 B59 B60 B61 B62 12V NC GND NC VCC VCC INTB INTD PST 1 NC PST 2 GND GND NC GND CLK GND REQ VCC AD_31 AD_29 GND AD_27 AD_25 NC CBE 3 AD_23 GND AD_21 AD_19 NC AD_17 CEB 2 GND IRDY NC DEVSEL GND LOCK PERR NC SERR NC CBE 1 AD_14 GND AD_12 AD_10 GND AD_08 AS_07 NC AD_05 AD_03 GND AD_01 VCC NC VCC VCC 7 1 2 PCI BUSSLOTPINOUT NC 12V NC NC VCC INT A INT C VCC NC VCC...

Page 62: ...able DMAChannel 4CascadeforDMAcontroller1 DMAChannel 5Available DMAChannel 6Available DMAChannel 7Available 7 3INTERRUPTMAP NMI Parity check error IRQ H W 0 System TIMER interrupt fromTIMER 0 1KEYBOARDoutputbufferfull 2 Cascade for IRQ 9 15 3SERIALport2 4SERIALport1 5PARALLELport2 6FLOPPYDISKadapter 7PARALLELport1 8RTCclock 9Available 10Available 11Available 12Available 13MA THco processor 14HARDD...

Page 63: ...sbyte 0F Shutdown byte 10 FloppyDISKdrivetypebyte 11 Reserved 12 HARDDISKtypebyte 13 Reserved 14 Equipment byte 15 Base memory low byte 16 Base memory high byte 17 Extension memory low byte 18 Extension memory high byte 19 2d Reserved 2E 2F 2 byteCMOSRAMchecksum 30 Reserved for extension memory low byte 31 Reserved for extension memory high byte 32 DATE CENTURY byte 33 INFORMA TIONFLAG 34 3f Reser...

Page 64: ...est CMOS and V erifies CMOS is working properly detects a bad battery battery status BE Chipset Default Programs chipset registers with power on BIOS default C1 Memory presence OEM specific Test to size on board memory test C5 Early shadow OEM specific early shadow enable for fast boot C6 Cache presence External cache size detection test 8 Setup low memory Clear low 64K memory Test first 64K memor...

Page 65: ...Enable slot 0 Initialize slot 0 system board 21 2F Enable slot 1 15 Initialize slot 1 15 30 Size base and Size base memory form 256K to 640K and Extended memory Extended memory above 1MB 31 Test base and Test base and Extended memory Extended memory 32 3B Reserved 3C Setup Enabled 3D Initialize and install Detects if mouse is present initialize mouse and install mouse interrupt vectors 3E Setup ca...

Page 66: ...52 Initialize Option Initialize any option ROM s present for C8000h to EFFFFh ROMS s When FSCAN option is enabled will initialize from C8000h to F7FFFh 53 Initialize time value Initialize time value in 40h BIOS area 60 Setup Virus Protect Setup virus protect according to setup 61 Set Boot Speed Set system speed for boot 62 Setup NumLock Set up NumLock status according to setup 63 Boot Attempt Set ...

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