TYAN TITAN TURBO PLUS ATX, Manual

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Page 2: ...4 CMOS RTC 18 Soft Power Connector 18 Speaker Connector Installation 19 Hardware Reset Switch Connector Installation 19 Flash EEPROM 19 Hardware CMOS Password Reset 19 DRAM Installation 20 CPU Installation 21 Cache Memory 22 Peripheral Device Installation 22 Connecting the Power Supply 22 4 BIOS Configuration 24 Entering Setup 24 Control Keys 25 Getting Help 25 The Main Menu 25 Standard CMOS Setup...

Page 3: ...User Password 51 IDE HDD Auto Detection 52 Save Exit Setup 53 Exit Without Saving 54 5 Flash Writer Utility 56 Flash Memory Writer 56 The Flash Memory Writer Utility Screen 58 6 System Resources 60 Timer and DMA Channel Maps 60 Interrupt Map 61 POST Messages 61 POST Codes 65 ...

Page 4: ...6S s PCI Local Bus provides high performance capabilities that are ideal for a wide range of demanding applications such as CAD CAM CAE networking multi user environments database management desktop publishing image processing and 3D animation This integrated system board achieves high reliability with numerous features and yet is small enough to be supported in an ATX form factor Some of the feat...

Page 5: ... next to information that may keep you from damaging your board or system While we will often point out the most vital para graphs in a chapter you should always read every word in the text Failing to do so can lead to exasperation and expense Wherever possible we have included step by step instruc tions for setting up your system which are indicated by this icon However it is in your best interes...

Page 6: ...um chipset Voltage and Power s Design incoporates ATX power Information supply connector s 12 V power source for DC fan onboard s 3 3V or 5 0V DRAM support s Switching Power Supply onboard Main Memory s Up to 256MB on board s Three 168 pin DIMM sockets s EDO or FPM SIMM support s EDO DIMM and SDRAM support System Management s Wake on LAN connector s Optional LM75 CPU temperature sensing chip s Opt...

Page 7: ...ot options s Win98 Ready DMI 2 0 compliant s Support for easy BIOS upgrades with flash EEPROM chip Disk Drive System I O s Two PCI Bus Mastering EIDE channels s Supports EIDE CD ROMs s PIO Mode 3 4 up to 17MB sec DTR s UltraDMA33 Bus Mastering Mode up to 33MB sec DTR s Two floppy drives up to 2 88MB s Two ATX serial ports 16550 UARTs s One ATX ECP EPP parallel port s One IR InfraRed I O interface ...

Page 8: ...ured by them and so they should have the best idea of what hardware and software your system contains Hence they should be able to be of the most assistance Further if you purchased your system from a dealer near to you you can actually bring your system in to them to have it serviced instead of fooling with it yourself which can have expensive conse quences If your dealer is unable to assist you ...

Page 9: ...kage should be mailed prepaid or hand carried to the manufacturer Shipping and handling charges will be applied for all orders that must be mailed when service is complete Trademarks Award BIOS Flash are trademarks of Award Software International Inc Windows is a trademark of Microsoft Corporation IBM PC AT PS 2 are trademarks of IBM Corporation INTEL Pentium are trademarks of Intel Corporation Ti...

Page 10: ...d should be left in its original packaging until it is ready to be installed With the power supply plugged in and turned off touch an unpainted area of the system chassis immediately before handling the mainboard or any component Doing so discharges any static charge your body may have acquired After opening the mainboard carton extract the system board holding it by its edges and place it on a gr...

Page 11: ...tatic mat Do not touch the bottom of the board DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN DAMAGED Installation You are now ready to install your mainboard The mounting hole pattern of the S1576S matches the ATX system board specifications Your chassis should be that of a standard ATX mainboard form factor ...

Page 12: ...oltage among others For CPU settings you may want to refer first to the more comprehensive chart on page 13 The miniature motherboard maps will help you locate the jumpers on your board A full page map of the motherboard can be found on page 14 Chapter 3 chapter 3 Onboard Resource Settings BF0 BF2 VC1 VC2 VID1 VID4 FS0 FS2 ...

Page 13: ...OFF OFF OFF OFF OFF OFF ON OFF OFF OFF ON ON AMD K5 90 60MHz x 1 5 OFF OFF OFF ON OFF OFF OFF OFF AMD K5 100 66MHz x 1 5 OFF OFF OFF OFF OFF OFF OFF OFF AMD K5 120 60MHz x 2 ON OFF OFF ON OFF OFF OFF OFF AMD K5 133 66MHz x 2 ON OFF OFF OFF OFF OFF OFF OFF AMD K5 166 66MHz x 2 5 ON ON OFF OFF OFF OFF OFF OFF AMD K6 166 66MHz x 2 5 ON ON OFF ON OFF OFF ON OFF OFF OFF ON ON AMD K6 200 66MHz x 3 OFF O...

Page 14: ...2 J17 J14 Joystick power connector UMC UMC J2 1 J25 1 JP1 1 CON1 1 JP2 1 FAN3 1 FS0 FS1 FS2 1 1 1 1 1 J27 JP22 CDI1 JP23 J26 1 JP15 JP16 1 FAN1 1 BF1 BF0 BF2 VC1 VC2 DIM52 DIM51 DIM31 DIM32 FAN2 1 VID1 VID0 VID2 VID3 SPI1 The following jumpers and connectors are optional and will only be present if your board has the Ensoniq sound chip installed J26 J27 JP22 JP23 CDI1 and Joystick The tiny 1 s nex...

Page 15: ...1 J14 COM1 J22 COM2 CON1 Wake on LAN USB 1 2 3 4 5 J2 IR RX GND TX VCC CON1 Wake on LAN VCC GND Wake FAN GND VCC Fan Monitor Pin Assignments indicates pin is absent BIOS 82371AB PIIX 4 430 TX Pipeline Burst Cache CPU Temperature Sensor Super I O PCI ISA ...

Page 16: ...COM PORT IR JP16 COM PORT IR CPU VID0 VID1 VID2 VID3 VC1 VC2 P54C OFF OFF P55C OFF OFF OFF ON ON ON K5 OFF OFF K6 166 ON OFF OFF ON ON ON K6 200 ON OFF OFF ON ON ON K6 233 OFF OFF ON ON ON ON Cyrix 6x86 OFF OFF Cyrix 6x86L ON ON Cyrix 6x86MX ON ON Notes Please ignore the BUS speed settings printed on the motherboard Please see the warning regarding 75MHz and 83MHz speeds on page 18 FS0 FS2 JP15 JP...

Page 17: ...OFF C P UV C C 2 0V 2 1V 2 2V 2 3V 2 4V 2 5V 2 6V 2 7V 2 8V 2 9V 3 0V 3 1V 3 2V 3 3V 3 4V 3 5V V ID0 OFF ON OFF ON OFF ON OFF ON OFF ON OFF O N OFF O N OFF ON V ID1 OFF OFF ON ON OFF OFF ON ON OFF OFF O N O N OFF OFF ON ON V ID2 OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON O N ON ON V ID3 OFF OFF OFF OFF OFF OFF OFF OFF ON ON O N O N ON O N ON ON BIOS VCC JP2 5V 1 2 12V 2 3 JP1 BATTERY ON 1 2 RE...

Page 18: ... nor the PCI Universal Serial BUS device IDs for this chip also called PIIX4 are recognized by Windows 95 This is a software problem not a hardware problem and can be eas ily remedied by either upgrading to Windows 98 or downloading the 82371AB patch found at http www tyan com or at ftp download intel com design pcisets busmastr setupex exe Note USB requires Windows 95 OSR 2 1 or above please cont...

Page 19: ... 23 on jumper block J8 Flash EEPROM The S1576S uses flash memory to store BIOS programs It can be updated as new versions of the BIOS become available The flash utility will guide you through the update process step by step see Chapter 5 JP2 determines which type of EPROM is used This jumper has been set to match the onboard BIOS chip The factory default for the S1573S is on pins 1 2 Depending on ...

Page 20: ...re on page 20 All installed memory will be automatically detected so there is no need to set jumpers The TX chipset can cache up to 64MB of RAM Some details of memory installation s One unbuffered DIMM must be installed for the system to POST s The mainboard supports 1 2 and 4MBx64 DIMM modules The table below shows some of the possible memory configurations Chapter 3 RFU Buffered Unbuffered 168 p...

Page 21: ... unique CPU corner s Before the CPU is installed the mainboard must be placed on a flat surface You should be able to insert the CPU with minimal but firm pressure Do not press down hard on the CPU s An assembly composed of both a cooling fan and a heat sink is required to protect the CPU from being damaged CPU Installation Procedure 1 Make sure the ZIF socket lever is up To raise the lever pull i...

Page 22: ...u may have If a PCI BUS interface card is to be installed in the system any one of the five PCI BUS slots can support either a Master or a Slave device Note that PCI slot 1 and slot 5 share the same BUS master resource and so you cannot use a BUS master on slot 1 and slot 5 at the same time After installing the peripheral controllers you should check the CPU and all your devices again before prepa...

Page 23: ... plastic clip should be facing the middle of the motherboard Align the plastic guide pins on the male connector with their recep tacles on the mainboard You may need to hold the lead at an angle in order to properly line it up with the onboard connector Once you have the guide pins aligned press the lead into the connector so that the plastic clip on the lead snaps into place and secures the lead ...

Page 24: ...ord Reset page 19 in Chapter 3 for information on resetting the CMOS NVRAM Entering Setup You can enter Setup by powering on the computer and watching for the below message during the POST Power On Self Test Press DEL to enter Setup When this message appears at the bottom of the screen press the Del key This must be done quickly as the message is only dis played for a brief time If you do not pres...

Page 25: ... Help In the Main Menu a description of the highlighted setup function is displayed at the bottom of the screen If you need help in the Standard CMOS Setup BIOS Features Setup Chipset Features Setup Power Management Setup PnP PCI Configuration or Integrated Peripherals Menus press F1 to bring up a small Help window that describes the appropriate keys to use and the possible actions for the highlig...

Page 26: ... is a list of the sub menus and commands and a description of their functions Note that while the menu options appear in all capital letters on screen we have adapted a more conventional capitalization scheme for this manual Standard CMOS Setup This setup menu allows you to change basic parameters such as the day time and drive types BIOS Features Setup This setup menu allows you to alter a variet...

Page 27: ...s which are the optimal values for the system parameters Integrated Peripherals This option lets you enable or disable onboard devices You can also configure the I O and IRQ settings of the onboard serial and parallel ports Supervisor Password and User Password Change set or disable a password with this function It allows you to limit access to the system and or to Setup IDE HDD Auto Detection The...

Page 28: ...therwise noted Date The date format is month day year Press F3 to show the calendar Time The time format is hours minutes seconds The time is calculated based on the 24 hour military time clock For example 1 p m is 13 00 00 Primary Secondary Drive Type This category identifies the types of hard disk drives that have been installed in the computer There are 45 already defined types and one which yo...

Page 29: ...MP write precomp cyl LANDZ landing zone SECTOR number of sectors MODE auto normal large or LBA If a hard disk has not been installed or you have a CD ROM or tape drive connected to an IDE channel select None and press Enter Drive A type Drive B type This category identifies the types of floppy disk drives that have been installed in your computer as the A and or B drives The possible floppy drive ...

Page 30: ... power up in 80 column mode Mono Monochrome adapter including hi res monochrome Halt On The category determines whether the computer will stop if an error is detected during power up No errors The system boot will not be stopped for any errors that are detected All errors If the BIOS has detected a non fatal error the system will be stopped and you will be prompted All but Keyboard The system boot...

Page 31: ...ase memory is typically 640KB 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 Other Memory This refers to memory located in the 640KB to 1024KB address space This memory can be used for a number of different applications DOS uses this area to load device drivers in order to keep a...

Page 32: ...g attempts to access the boot sector or hard disk partition table ROM PCI ISA BIOS 2A59IT5A BIOS FEATURES SETUP AWARD SOFTWARE INC Video BIOS Shadow 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 Virus Warning Disabled CPU Internal Cache Enabled External Cache Disabled Q...

Page 33: ...gory determines which drive the computer searches first for the disk operating system DOS Swap Floppy Drive If you have two floppy drives you can choose to designate the physi cal A drive as the logical B drive and vice versa If this function is Enabled the two will be swapped If Disabled the two will be defined normally i e physical and logical designation will be the same Boot Up Floppy Seek Dur...

Page 34: ...s to appear repeatedly on screen is controlled by the Typematic Rate Delay Once it has begun to repeat the character appears at the speed set by the Typematic Rate Security Option Allows you to select whether a password if you have one is required each time the system boots or only when you enter Setup PS 2 mouse function control Enables or Disables the PS 2 mouse PCI VGA Palette Snoop Leave this ...

Page 35: ...IOS to shadow firmware to copy it from ROM into the system RAM Once there the CPU can read the firm ware through the 16 bit or 32 bit DRAM BUS Firmware that is not shadowed is read through the 8 bit X BUS Shadowing improves the performance of the system BIOS and ROM firmware for expansion peripherals but reduces the amount of high memory available for loading device drivers Rather than shadowing a...

Page 36: ...ed DRAM may cause memory errors ESC Quit éêè ç Select Item F1 Help PU PD Modify F5 Old Values Shift F2 Color F6 Load BIOS Defaults F7 Load Setup Defaults Pipeline Cache Timing Faster Chipset NA Asserted Enabled Mem Drive Str MA RAS Auto DRAM Refresh Rate 15 6 us CPU Warning Temperature Disabled Current CPU Temperature 3 5 C 95 F Auto Configuration Enabled DRAM Timing 70ns DRAM Leadoff Timing 10 6 ...

Page 37: ...us cache or cacheless system select Disabled Enabling will cause a 1 HCLK pull in for all read leadoff latencies for EDO DRAMs i e page hits page misses and row misses You should also select Disabled if any of the DRAM rows contains FPM DRAMs Refresh RAS Assertion Selects the number of clock cycles in which RAS is asserted for refresh cycles Fast RAS To CAS delay Inserts a timing delay between the...

Page 38: ...mand just before it has finished decoding the data address System BIOS Cacheable If Enabled results in better system performance by permitting caching of the system BIOS ROM at F0000h FFFFFh Any program which tries to write to this memory area may cause a system error Video BIOS Cacheable If Enabled this function results in better video performance by permit ting caching of the video BIOS ROM at C...

Page 39: ...ory address before all the data transfers for the current cycle are complete Mem Drive Str MA RAS Stands for Memory Address Drive Strength Controls the strength of the output buffers driving the MA and BA1 pins first value and SCASx CKEx MWEx and SRASx pins second value DRAM Refresh Rate Designates the period required to refresh the DRAMs Be sure the value entered is in accordance with your DRAM s...

Page 40: ...ANGEMENT SETUP AWARD SOFTWARE INC Power Management Disabled Reload Global Timer Events PM Control By APM No IRQ 3 7 9 15 NMI Disabled Video Off Method V H SYNC Blank Primary IDE 0 Disabled Video Off After Standby Primary IDE 1 Disabled MODEM Use IRQ 3 Secondary IDE 0 Disabled Doze Mode Disabled Secondary IDE 1 Disabled Standby Mode Disabled Floppy Disk Disabled Suspend Mode Disabled Serial Port En...

Page 41: ...sk drive shut down all other devices operate normally Suspend Mode Defines the continuous idle time before the system enters Suspend mode All devices except the CPU shut down HDD Power Down The hard disk drive powers down after the chosen period of drive inactivity while all other devices remain active Throttle Duty Cycle While the system is in Doze mode the CPU clock runs only part of the time Th...

Page 42: ... possible for the system to be awakened by remote You might Enable this function to make remote servicing possible or to get access to your system while you are on a business trip IRQ 8 Break Suspend If this field is Disabled IRQ8 will not be monitored and it will not awaken the system from Suspend mode If this field is Enabled IRQ8 will be monitored and will be able to awaken the system from Sus ...

Page 43: ...3 assigned to Legacy ISA IRQ 4 assigned to Legacy ISA IRQ 5 assigned to PCI ISA PnP IRQ 7 assigned to Legacy ISA IRQ 9 assigned to PCI ISA PnP IRQ 10 assigned to PCI ISA PnP IRQ 11 assigned to PCI ISA PnP IRQ 12 assigned to PCI ISA PnP IRQ 14 assigned to Legacy ISA IRQ 15 assigned to Legacy ISA DMA 0 assigned to PCI ISA PnP DMA 1 assigned to PCI ISA PnP DMA 3 assigned to PCI ISA PnP DMA 5 assigned...

Page 44: ... standard whether designed for the PCI or ISA BUS architecture DMA n assigned to Legacy ISA Choose this type for devices compliant with the original PC AT BUS specification PCI ISA PnP Choose this type for devices compliant with the Plug and Play standard whether designed for the PCI or ISA BUS architecture PCI IDE IRQ Map To This field lets you select PCI IDE IRQ mapping or PC AT ISA interrupts I...

Page 45: ...e chipset has two channels and therefore requires two interrupt services The default values for the Primary and Secondary IDE INT fields are appropriate for two PCI IDE channels The Secondary channel has a higher interrupt than the Primary Used Mem base addr This function designates a base address for the memory area used by peripheral devices that require high memory Used Mem Length Selects a len...

Page 46: ...s is recom mended STANDARD CMOS SETUP INTEGRATED PERIPHERALS BIOS FEATURES SETUP SUPERVISOR PASSWORD CHIPSET FEATURES USER PASSWORD PNP PCI CON IDE HDD AUTO DETECT LOAD BIOS DEFAULTS SAVE EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVING éêè ç Select Item ROM PCI ISA BIOS 2A59IT5A CMOS SETUP UTILITY AWARD SOFTWARE INC ESC Save Exit Setup F10 Quit Shift F2 Change Color Load BIOS Defaults except st...

Page 47: ...com mended BIOS STANDARD CMOS SETUP INTEGRATED PERIPHERALS BIOS FEATURES SETUP SUPERVISOR PASSWORD CHIPSET FEATURES USER PASSWORD PNP PCI CON IDE HDD AUTO DETECT LOAD BIOS DEFAULTS SAVE EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVING éêè ç Select Item ROM PCI ISA BIOS 2A59IT5A CMOS SETUP UTILITY AWARD SOFTWARE INC ESC Save Exit Setup F10 Quit Shift F2 Change Color Load SETUP Defaults except sta...

Page 48: ...ode the system automatically determines the best mode for each device ROM PCI ISA BIOS 2A59IT5A CMOS SETUP UTILITY AWARD SOFTWARE INC IDE HDD Block Mode Disabled Parallel Port Mode ECP EPP IDE Primary Master PIO Auto ECP Mode Use DMA 3 IDE Primary Slave PIO Auto Parallel Port EPP Type EPP1 7 IDE Secondary Master PIO Auto IDE Secondary Slave PIO Auto IDE Primary Master UDMA Disabled IDE Primary Sla...

Page 49: ...SB Keyboard Support Select Enabled if your system contains a Universal Serial BUS USB controller and you have a USB keyboard Onboard FDC Controller If your system has a floppy disk controller FDC installed on the system board and you wish to use it select Enabled If you install an add in FDC or the system has no floppy drive select Disabled Onboard UART 1 and Onboard UART 2 Select an address and c...

Page 50: ...software require one of the other possible modes If you select Normal for this field the next two fields will not be visible ECP Mode Use DMA Select a DMA channel for the port Parallel Port EPP Type Select EPP port type 1 7 or 1 9 Your device s user information should tell you which port type is required 1 9 is common in newer devices ...

Page 51: ...ill be able to enter Setup freely If you select System in the Security Option of the BIOS Features Setup Menu see page 32 you will be prompted for the password every time the system is rebooted and any time you try to enter Setup If you select Setup in the Security Option of the BIOS Features Setup Menu you will be prompted only when you try to enter Setup Supervisor Password and User Password BIO...

Page 52: ...ers s If the hard disk is larger than 540MB select LBA parameters s Always select NORMAL parameters for SCO UNIX HARD DISKS TYPE SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master Esc Skip ROM PCI ISA BIOS 2A59IT5A CMOS SETUP UTILITY AWARD SOFTWARE INC Select Primary Master Option N Skip N OPTIONS SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE 2 Y 1090 528 64 0 2111 63 LBA Note Some OSes like SCO U...

Page 53: ... SETUP SUPERVISOR PASSWORD CHIPSET FEATURES USER PASSWORD PNP PCI CON IDE HDD AUTO DETECT LOAD BIOS DEFAULTS SAVE EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVING ESC Save Exit Setup F10 Quit Shift F2 Change Color SAVE to CMOS and EXIT Y N N Type Y to quit the Setup Utility and save your new Setup values to the CMOS NVRAM Type N to return to the Setup Utility ...

Page 54: ...D BIOS DEFAULTS SAVE EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVING ROM PCI ISA BIOS 2A59IT5A CMOS SETUP UTILITY AWARD SOFTWARE INC ESC Save Exit Setup F10 Quit Shift F2 Change Color Quit Without Saving Y N N Exit Without Saving Type Y to abandon any changes you have made to the Setup values and exit the Setup Utility Type N to return to the Setup Utility Chapter 4 ...

Page 55: ...55 This page has been intentionally left blank BIOS ...

Page 56: ...programmed by the FMW The following three files make up the FMW AWDFLASH EXE The Flash Memory Writer utility for Award to Award upgrade README A text file of instructions TXAWDXXX BIN This file contains the new BIOS information XXX is our stand in for the BIOS version number The Flash memory writer records or programs a new BIOS onto the flash memory chip You cannot upgrade an Award BIOS to an AMI...

Page 57: ... manager software You must disable any memory man ager before you can run FMW The easiest way to do this is as follows A Boot your system from a bootable floppy disk with no CONFIG SYS or AUTOEXEC BAT files and then run Flash Memory Writer from a backup copy of your support disk You can make your backup floppy bootable when you format it and use one disk for both purposes B If you are using MS DOS...

Page 58: ...ile name e g A61AW10 BIN and confirm that you want to program the BIOS The utility will Blank Erase and then Program the flash memory on the mainboard with the new BIOS file You should choose Yes to save the original system BIOS to a floppy diskette before you program the new BIOS This leaves you with a backup of your original BIOS in case you need to reinstall it This is highly recommended If you...

Page 59: ...59 FLASH This page has been intentionally left blank ...

Page 60: ...upt TIMER Channel 1 DRAM REFRESH request TIMER Channel 2 SPEAKER tone generator DMA CHANNELS DMA Channel 0 Available DMA Channel 1 Available DMA Channel 2 FLOPPY DISK adapter DMA Channel 3 Available DMA Channel 4 Cascade for DMA controller 1 DMA Channel 5 Available DMA Channel 6 Available DMA Channel 7 Available ...

Page 61: ...essages When the BIOS detects a correctable error during POST a beep code sounds or an error message appears What follows is an explanation of these messages and the measures you can take to solve the problem they indicate Also included in this list are some status messages which do not necessarily indicate an error e g CPU at nnnn which merely indicates the CPU speed Beep Codes Only one beep code...

Page 62: ...ery and replace if necessary CPU at nnnn Displays the running speed of the CPU Display switch is set incorrectly The display switch on the motherboard can be set to either mono chrome or color This message indicates that the switch is set to a setting different from the one indicated in Setup Determine which setting is correct and then either turn off the system and change the jumper or enter Setu...

Page 63: ...he error halt condition in Setup to Halt On All But Keyboard The BIOS then ignores the missing keyboard during POST Keyboard is locked out Unlock the key This message usually indicates that one or more keys have been pressed during the keyboard tests Be sure nothing including your hand is resting on the keyboard Memory Test This message appears during a full memory test and counts down the memory ...

Page 64: ...primary master IDE hard drive Primary slave hard disk fail POST has detected an error in the primary slave IDE hard drive Resuming from disk Press TAB to show POST screen The BIOS offers a save to disk feature for laptops This message may appear when the operator restarts the system after a save to disk shut down See the Press TAB to show POST screen explanation above for a description of this fea...

Page 65: ...controllers 0 and 1 Initializes interrupt controllers 0 and 1 Initializes EISA extended registers 4 Test Memory Refresh Toggle RAM must be periodically refreshed to keep the memory from decaying This function assures that the memory refresh function is working properly 5 Blank Video Initialize Initializes keyboard controller Keyboard 6 Reserved 7 Test CMOS Interface and Verifies that CMOS is worki...

Page 66: ...e to screen Enables shadow according to Setup F Test DMA Controller 0 Tests BIOS checksum Detects and initializes keyboard 10 Test DMA Controller 1 Tests DMA Controller 1 11 Test DMA Page Registers Tests DMA Page Registers 12 13 Reserved 14 Test Timer Counter 2 Tests 8254 Timer 0 Counter 2 15 Test 8259 1 Mask Bits Verifies 8259 Channel 1 masked interrupts by alternately turning off and on the inte...

Page 67: ...ey 32 Test EISA Extended Memory If EISA mode flag is set then tests the EISA memory found in initialized slots Note This test is skipped in ISA mode and can be skipped in EISA mode by pressing the Esc key 33 3B Reserved 3C Enables Setup 3D Initialize and Install Mouse Detects whether or not mouse is present If it is initializes mouse and installs interrupt vectors 3E Setup Cache Controller Initial...

Page 68: ...bles the parity checker and NMI Enables cache before boot 52 Initialize Option ROMs Initializes any option ROMs present from C8000h to EFFFh Note When FSCAN option is enabled ROMs initialize from C8000h to F7FFFh 53 Initialize Time Value Initialize time value in 40h BIOS area 60 Setup Virus Protect Sets up virus protection according to Setup 61 Set Boot Speed Sets system speed for boot 62 Setup Nu...

Page 69: ...e of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Plug the equipment into an outlet on a circuit different from that of the receiver Consult the dealer or an experienced radio television technician for help Notice for Canada This apparatus complies with the Class B limits for radio interference as specified in the Cana...