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Chapter 1 Hardware Installation

39

Step 11 Connect SCSI I/O,

Continued

SCSI Termination

The SCSI channels on the MegaRUM motherboard use active termination for

each SCSI channel. You must terminate the SCSI bus properly. The SCSI bus
on each SCSI channel is an electrical transmission line and it must be
terminated properly at both ends to minimize reflections and losses. You
complete the SCSI bus by setting termination at both ends.

Do not add terminators in the middle of the SCSI bus. The end devices must be
located as close as possible to the terminators. A simple rule is to place SCSI
terminator after the last SCSI device on each of the SCSI connectors.
MegaRUM automatically terminates the onboard SCSI connectors.

Stub length

The stub length shall not exceed 0.1 meter. The spacing of devices on the SCSI
bus should be at least three times the stub length to avoid stub clustering.

SCSI Cables

Teflon flat ribbon cables give the best performance in the Ultra-SCSI
environment. These cables should be used for all internal cabling. To minimize
discontinuities and signal reflections, the use of cables with different
impedance’s on the same bus should be minimized.

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Содержание MegaRUM

Страница 1: ...MegaRUM Dual Pentium II PCI ISA Motherboard User s Guide MAN 758 6 5 97 ...

Страница 2: ... use of this product or the support materials provided with the product Trademarks VESA is a registered trademark of the Video Electronics Standards Association Intel Pentium Pentium Pro and Pentium II are registered trademarks of Intel Corporation MS DOS Microsoft Word and Microsoft are registered trademarks of Microsoft Corporation Microsoft Windows Windows NT and Windows 95 are trademarks of Mi...

Страница 3: ...MegaRUM PCI motherboard It explains how to assemble a system based on the MegaRUM PCI motherboard and how to use the AMIBIOS that is specifically designed for this motherboard This manual is not meant to be read by the computer owner who purchases a computer with this motherboard It is assumed that you the computer manufacturer will use this manual as a sourcebook of information and that parts of ...

Страница 4: ...uide 4diskettescontainingtheSystemGuruServerManagementSoftwareforWindowsNT aWarrantyCard and theAmericanMegatrendsMegaRUMDualPentiumIIPCIISAMotherboardUser sGuide Warning Do not use 16 MB x 36 64 MB SIMMs that have 36 chips per SIMM This type of 16 MB SIMM does not work reliably because of excessive loading on the motherboard circuitry If you must use 64 MB SIMMs use only SIMMs that have 12 or 8 c...

Страница 5: ...Ultra Wide SCSI channels operating at 40 MBs specially designed for the American Megatrends RAID Upgrade controller cards onboard ATI Rage II PCI VGA controller with 2 MB of synchronous graphics RAM the American Megatrends SystemGuru server management software two ISA expansion slots and sixPCIexpansionslots CPUs The MegaRUM motherboard will support all Intel Slot1 CPUs operating at 233 MHz 266 MH...

Страница 6: ...M motherboard SystemGuru uses the I2 C interface to constantly monitor and report the CPU temperature fan speed ECC memory errors ambient temperature CPU voltage system voltage and other user specified system status information to any remote client computer See the American Megatrends SystemGuru User s Guide for additional information Onboard PCI VGA The PCI VGA on the MegaRUM motherboard is suppo...

Страница 7: ...imately 12 25 by 13 8 The motherboard height restrictions are shown below Warning This motherboard contains sensitive electronic components that can be easily damaged by static electricity Follow the antistatic instructions carefully to ensure correct installation and to avoid damage ...

Страница 8: ...MegaRUM PCI Motherboard User s Guide 4 MegaRUM PCI Motherboard Layout ...

Страница 9: ... Remove the sponge and the anti static bag Place the motherboard on a grounded anti static surface component side up Save the original packing material 4 Inspect the motherboard for damage Press down on all ICs mounted in sockets to verify proper seating Do not apply power to the motherboard if it has been damaged 5 If the motherboard is undamaged it is ready to be installed Set Jumpers Set all ju...

Страница 10: ...MHz Shorted ShortPins1 2 ShortPins3 4 ShortPins5 6 ShortPins7 8 150MHz OPEN ShortPins3 4 ShortPins5 6 ShortPins7 8 166MHz Shorted ShortPins3 4 ShortPins5 6 ShortPins7 8 180MHz OPEN ShortPins1 2 ShortPins5 6 ShortPins7 8 200MHz Open ShortPins1 2 ShortPins5 6 ShortPins7 8 210MHz OPEN ShortPin5 6 ShortPin7 8 233MHz Shorted ShortPin5 6 ShortPin7 8 240MHz OPEN ShortPins1 2 ShortPins3 4 ShortPins7 8 266...

Страница 11: ...Chapter 1 Hardware Installation 7 Step 2 Configure CPU Speed Continued Cont d ...

Страница 12: ...MegaRUM PCI Motherboard User s Guide 8 Step 2 Configure CPU Speed Continued ...

Страница 13: ...hortPins3 4 ShortPins7 8 ShortPins9 10 3 0V ShortPins3 4 ShortPins7 8 2 9V ShortPins3 4 ShortPins9 10 2 8V ShortPins3 4 2 7V ShortPins5 6 ShortPins7 8 ShortPins9 10 2 6V ShortPins5 6 ShortPins7 8 2 5V ShortPins5 6 ShortPins9 10 2 4V ShortPins5 6 2 3V ShortPins7 8 ShortPins9 10 2 2V ShortPins7 8 2 1V ShortPins9 10 2 05V ShortPins1 2 ShortPins3 4 ShortPins5 6 ShortPins7 8 ShortPins9 10 2 0V ShortPin...

Страница 14: ...ator One Voltage Regulator Module VRM is shipped with every MegaRUM motherboard You need another VRM if you install two CPUs You can order VRMs for Intel Pentium II CPUs from Manufacturer PartNumber AMIPartNumber V X I 073 20715 02 MDL P681 V5A140 Corsair SPX560KM MDL P681 V5A140 ...

Страница 15: ...y the onboard server management hardware If you must use fans with only 2 leads connect the red lead to Pin 3 J23 Chassis Fan J23 is a 3 pin berg located near the VRM for the CPU 2 socket The pinout is the same for J23 as it is for J1 and J7 J23 provides 12V power to the main chassis fan The chassis fan should provide a tachometer output on Pin 3 so it can be monitored by the onboard server manage...

Страница 16: ...ou can use 1MBx32 or36 2MBx32 or36 4MBx32 or36 8MBx32 or36 16MBx32 or36 or 32MBx32 or36 SIMMs The MegaRUM motherboard will support 128 MB SIMMs when they become available permitting up to 1 GB of system memory to be installed on the motherboard Fast Page Mode EDO and Burst EDO SIMMs cannot be mixed The motherboard supports SIMMs operating at 60 or 70 ns RAS access time Set the Chipset Setup DRAM S...

Страница 17: ...SIMM Part Numbers Type Manufacturer PartNumber 1MBx36 Micron MT12D136M 7 Mitsubishi MH1M36ADJ 7 PNY P361000 70 Motorola MCM36100AS 70 Oki MSC2355 70YS12 Samsung KMM5361000AV 7 2MBx36 PNY P362000 70 Samsung EMM53620036 70 4MBx36 Micron MT12D436M 7 Mitsubishi MH4M36SAJ 7 Motorola MCM36400S 70 PNY P364000 70 Samsung KMM5364100 7 8MBx36 Motorola MCM36800S 70 PNY P368000 707 Samsung KMM5368100 7 16MBx3...

Страница 18: ...x 32 or 36 2 MB x 32 or 36 4 MB x 32 or 36 8 MB x 32 or 36 or 16 MB x 32 or 36 SIMMs Place the motherboard on an anti static mat With the component side of the SIMM facing you firmly push the SIMM into the socket at an angle then push it up When properly inserted the SIMM clicks into place as the latching pins engage The SIMM installation process is shown below ...

Страница 19: ...herethemotherboardismounted Thepowersupplyismountedatthefarend ofthechassis 3 Holdthemotherboard component sideup withtheedgewiththeSIMMsockets towardyouandtheedgewiththepowersupplyconnectorawayfromyou The keyboard mouse andvideoconnectorsshouldbetotheleft 4 Carefullyslidethemotherboardintothechassis Makecertaintheedgeconnectorsfit theportsintherearofthechassis Themotherboardshouldrestlevelwiththe...

Страница 20: ...nectorJ12 PS 2mouseconnectorJ2 ChassisintrusionLED J29 ExternalSMIconnector J18 DisableonboardVGA J14 HardwareresetswitchJ28 SpeakerJ46 SCSIactivityLED J40 KeyboardlockconnectorJ41 TurboLEDconnectorJ33 IDELEDconnectorJ38 USBport1connectorJ19 USBport2connectorJ20 Systemoverride J47 AMI specificVGAcable J16 DisableVGAinterrupt J13 Serialport1connectorJ9 Serialport2connectorJ8 ParallelportconnectorJ3...

Страница 21: ...tor wires are color coded Match the color of the wires leaving the switch or LED to the same pin on the connector end There may be more than one connector with the same color coded wires If so follow the wire to the switch or LED All motherboard components are outlined by a white rectangular box with a broad arrow at one end Pin 1 is always at the arrow end of the white outlined box as shown below...

Страница 22: ...nge of voltages and must be set usually via a switch to the proper range Use at least a 450 watt power supply which should have built in filters to suppress radiated emissions Connect Power Cables Attach the power supply cables to the power connector P1 and P3 on the motherboard AT compatible power supplies have two six pin connectors attached as shown below The six pin connector on the power cabl...

Страница 23: ...he connector must be cut to fit on some power supplies as shown below P1 Pinout Pin Description 1 Power Good Orange wire Not used 2 VCC Red wire 3 12 Volts Yellow wire 4 12 Volts Blue wire 5 Ground Black wire 6 Ground Black wire P3 Pinout Pin Description 1 Ground Black wire 2 Ground Black wire 3 5 Volts White wire 4 VCC Red wire 5 VCC Red wire 6 VCC Red wire Cont d ...

Страница 24: ... the contents of CMOS RAM where all system configuration information is stored If you forget the AMIBIOS password you can place a shorting bridge on J35 for a few seconds to erase the old password and all system configuration information as well You must then reboot the computer run AMIBIOS Setup and restore all system configuration information The J35 settings are CMOSDrain J35Setting Normalopera...

Страница 25: ...e or make your own cable The pinout is Pin Description Pin Description 1 MouseClock 2 N C 3 N C 4 N C 5 N C 6 VCC 7 N C 8 MouseData 9 Ground 10 N C J29 Chassis Door Intrusion J29 is a 2 pin berg that can be used to attach a wire to the chassis door intrusion connector if the chassis has this feature The logic must be set so that Pin 1 and Pin 2 are shorted when the chassis door is closed and open ...

Страница 26: ... single inline berg that is optionally attached via a cable to a standard system speaker AMIBIOS signals hardware problems through the speaker Pin 1 on the motherboard is identified by the arrow on the white box around the berg The MegaRUM PCI motherboard also has a built in speaker mounted on the motherboard Pin Description 1 Data Out 2 Key 3 N C 4 VCC J40 SCSI Activity J40 is a 4 pin berg that a...

Страница 27: ...motherboard is identified by the broad arrow Pin Description 1 VCC 2 Ground 3 Ground 4 Keyboard Lock KBDINH 5 Ground J33 Turbo LED J33 is a 2 pin berg that is attached via a cable to the externally mounted bipolar Turbo LED The LED lights when the motherboard is running at high speed J38 IDELED J38 is a two pin berg that is attached via a cable to the externally mounted IDE Activity LED This LED l...

Страница 28: ...reen Data Pin 3 White Data Pin 4 Black Ground Please make sure that the USB cable is correctly installed Incorrect installation will damage the motherboard J19 J20 USB Connectors J19 and J20 are 4 pin USB Universal Serial Bus connectors The pinouts are Pin SignalDescription 1 VCC 2 Data 3 Data 4 Ground J14 Enable Onboard PCI VGA J14 is a 2 pin berg that enables or disables the onboard PCI ATI VGA ...

Страница 29: ...rd ATI Rage II PCI VGA controller Connect the VGA cable supplied with this motherboard to J16 This cable converts J16 14 pin berg signals to a standard DB15 VGA connector which can be mounted on the chassis Make sure the red wire on the cable is connected to Pin1 of J16 The pinout is Pin SignalDescription Pin SignalDescription 1 Red 8 Ground 2 Green 9 Ground 3 Blue 10 Ground 4 VSYNC 11 Fuse 5 HSYN...

Страница 30: ...Pin 1 4 VS YN C Pin 15 MO N ID 2 Standard VGA Female Connector J16 VGA Connector and Standard VGA The connections on the VGA cable that has a standard DB15 female VGA connector and a 14 pin berg connector at the other end are shown below J16 StandardVGAConnector Pin Signal Pin Signal 1 Red 1 Red 2 Green 2 Green 3 Blue 3 Blue 4 VSYNC 14 VSYNC 5 HSYNC 13 HSYNC 6 MONID1 12 MONID1 7 MONID2 15 MONID2 8...

Страница 31: ...ks the adapter cards installed in the expansion slots on the MegaRUM PCI motherboard for a hard disk or floppy controller and serial or parallel ports J8 SER1 J9 SER2 J8 and J9 are 9 pin connectors that provide an AT compatible serial port interface Connect the cables supplied with the motherboard to J8 and J9 The serial port base I O port address and other serial port settings can be selected in ...

Страница 32: ...tandardCentronics compatibleparallelport theECP ExtendedCapabilitiesPort and theEPP EnhancedParallelPort port All parallel port settings must be correctly configured through Peripheral Setup in WINBIOS Setup Pin Signal Description Pin Signal Description 1 STROBE 2 PD0 3 PD1 4 PD2 5 PD3 6 PD4 7 PD5 8 PD6 9 PD7 10 ACK 11 BUSY 12 PE 13 SLCT 14 AUTOFD 15 ERROR 16 INIT 17 SLCTIN 18 Ground 19 Ground 20 ...

Страница 33: ...troller is installed Choose Standard Setup and Peripheral Setup to configure the floppy controller The motherboard supports up to two 720 KB 1 44 MB or 2 88 MB 3 drives and 360 KB and 1 2 MB 5 drives The connecting cable is a 34 pin ribbon connector with two 34 pin edge connectors for attaching the floppy disk drives There is a small twist in the cable between the floppy connectors The last end co...

Страница 34: ... 8 INDEX 9 GND 10 MOTOR0 11 GND 12 FDSEL1 13 GND 14 FDSEL0 15 GND 16 MOTOR1 17 GND 18 DIR 19 GND 20 21 GND 22 WDATA 23 GND 24 WGATE 25 GND 26 TRK0 27 GND 28 WRPROT 29 GND 30 RDATA 31 GND 32 HDSEL 33 GND 34 DSKCHNG Twist in Floppy Cable Floppy B to A Floppy B to A Floppy B to A Floppy B to A 10 to 16 12 to 14 14 to 12 16 to 10 11 to 15 13 to 13 15 to 11 Cont d ...

Страница 35: ...apter 1 Hardware Installation 31 Step 10 Connect I O Continued IDE Drives Attach the IDE drives in the following manner Choose Peripheral Setup in WINBIOS Setup to enable the onboard IDE controller Cont d ...

Страница 36: ...low J10 is a 40 pin dual inline berg that connects an IDE drive to the primary onboard IDE connector This motherboard supports IDE Modes 0 1 2 3 and 4 IDE prefetch LBA Logical Block Address mode high capacity drives over 528 MB 32 bit data transfer and fast IDE transfer These IDE features are configured in Peripheral Setup in the WINBIOS Setup utility Disable the onboard IDE interface in Periphera...

Страница 37: ...ATA14 17 DATA0 18 DATA15 19 GND 20 KEY N C 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IDERDY 28 Pulldown 29 ACK 30 GND 31 INT14 32 N C 33 HA1 34 N C 35 HA0 36 HA2 37 CS0 38 CS1 39 IDEACT 40 GND J11 Secondary IDE Controller J11 the secondary IDE connector is a 40 pin dual inline berg that connects the secondary primary and slave IDE drives to the secondary onboard IDE controller Attach the second...

Страница 38: ...n Use Pin Use 1 RESET 2 GND 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA5 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 KEY N C 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IDERDY 28 Pulldown 29 ACK 30 GND 31 INT15 32 N C 33 HA1 34 N C 35 HA0 36 HA2 37 CS2 38 CS3 39 N C 40 GND ...

Страница 39: ...nectors provide all signals needed to connect to wide SCSI devices The connector pinouts are for a single ended primary bus P CABLE as specified in SCSI 3 Parallel Interface X3T9 2 Project 885 D revision 1 2b date July 2 1993 The cable assemblies that interface with this 68 pin connector are flatribbonortwistedpaircableforconnectinginternalwideSCSIdevices flatribbonortwistedpaircableforconnectingi...

Страница 40: ...B 4 Ground 11 21 22 45 DB 5 Ground 12 23 24 46 DB 6 Ground 13 25 26 47 DB 7 Ground 14 27 28 48 DB P Ground 15 29 30 49 Ground Ground 16 31 32 50 Ground TERMPWR 17 33 34 51 TERMPWR TERMPWR 18 35 36 52 TERMPWR Reserved 19 37 38 53 Reserved Ground 20 39 40 54 Ground Ground 21 41 42 55 ATN Ground 22 43 44 56 Ground Ground 23 45 46 57 BSY Ground 24 47 48 58 ACK Ground 25 49 50 59 RST Ground 26 51 52 60...

Страница 41: ...nectorPin Signal Ground 1 1 2 2 DB 0 Ground 3 3 4 4 DB 1 Ground 5 5 6 6 DB 2 Ground 7 7 8 8 DB 3 Ground 9 9 10 10 DB 4 Ground 11 11 12 12 DB 5 Ground 13 13 14 14 DB 6 Ground 15 15 16 16 DB 7 Ground 17 17 18 18 DB 8 Ground 19 19 20 20 DB P Ground 21 21 22 22 Ground Reserved 23 23 24 24 Ground OPEN 25 25 26 26 Reserved Reserved 27 27 28 28 TERMPWR Ground 29 29 30 30 Reserved Ground 31 31 32 32 Groun...

Страница 42: ...x 2 695 SCSI length in storage box SCSI Cables More than Four Devices The total external SCSI cable length for single ended when using from five to eight Ultra SCSI devices max cap of device 25pf should be less than or equal to 1 5 meter SCSI signal length on AMI RAID SCSI length in storage box 1 5 meter 0 305 meter SCSI length in storage box 1 195 SCSI length in storage box Spacing Devices The SC...

Страница 43: ... bus The end devices must be located as close as possible to the terminators A simple rule is to place SCSI terminator after the last SCSI device on each of the SCSI connectors MegaRUM automatically terminates the onboard SCSI connectors Stub length The stub length shall not exceed 0 1 meter The spacing of devices on the SCSI bus should be at least three times the stub length to avoid stub cluster...

Страница 44: ...mination and you must set termination at the cable ends If another connector on MegaRUM is also used for the same channel the termination on MegaRUM is disabled automatically and termination should be set on the device at the farthest end of the cable For a disk array set SCSI bus termination so that removing or adding a SCSI device does not disturb termination An easy way to do this is to connect...

Страница 45: ...5 User s Guide is provided with the MegaRUM motherboard Follow the DMI Wizard 95 installation instruction in the American Megatrends DMI Wizard 95 User s Guide Installing SystemGuru The American Megatrends SystemGuru User s Guide is provided with the MegaRUM motherboard Follow the DMI Wizard 95 installation instruction in the American Megatrends SystemGuru User s Guide Installing VGA Drivers The V...

Страница 46: ... if there are problems BIOS Errors If the system operates normally a display should appear on the monitor The BIOS Power On Self Test POST should execute If POST does not run successfully it will beep or display error messages Beeps indicate a serious problem with the system configuration or hardware The Beep Code indicates the problem AMIBIOS Beep Codes are defined in the AMIBIOS Technical Refere...

Страница 47: ... which gains control when the computer is powered on The system parameters are configured by a system BIOS Setup utility Historically BIOS Setup utilities have been character based required keyboard input and have had user interfaces that were not very intuitive Graphical Setup American Megatrends has a new type of system BIOS Setup utility WINBIOS Setup has a graphical user interface the end user...

Страница 48: ...lick to perform an operation in the selected field Using the Keyboard with WINBIOS Setup WINBIOS has a built in keyboard driver that uses simple keystroke combinations Keystroke Action Tab Change or select a global field Change or select the current field Enter Perform an operation in the current field Increment a value Decrement a value Esc Abort any window function PgUp Return to the previous sc...

Страница 49: ...nctions are described below Main Windows The WINBIOS Setup main windows are WINBIOSSetupWindows SeeSection TheSetupiconsallowyoutosetsystemconfigurationoptions suchasdate time harddisktype andfloppytype 1 TheUtilitiessectionallowsyoutochangetheWINBIOS SetupscreencolorsandtochangethelanguagethatWINBIOS Setupscreenmessagearewrittenin 2 TheSecurityiconsallowyoutoconfigurepasswordsand enableAMIBIOSant...

Страница 50: ...rd Setup options are described in this section Date Time Select the Standard option Select the Date and Time icon The current values for each category are displayed Enter new values through the keyboard Floppy Drive A and B Move the cursor to these fields via and and select the floppy type The settings are 360 KB 5 inch 1 2 MB 5 inch 720 KB 3 inch 1 44 MB 3 inch or 2 88 MB 3 inch ...

Страница 51: ...enAMIBIOSdisplaysthedriveparameters SelectLBA Large Mode SelectOn ifthedrivehasacapacitygreater than540MB SelectBlock Mode SelectOn toallowblockmodedatatransfers Select32 Bit Transfer SelectOn toallow32 bitdatatransfers SelectthePIO Mode ItisbesttoselectAuto toallowAMIBIOSto determinethePIOmode IfyouselectaPIOmodethatisnotsupportedbythe IDEdrive thedrivewillnotworkproperly Ifyouareabsolutelycertai...

Страница 52: ...on circuitry on the hard disk compensates for the physical difference in sector size by boosting the write current for sectors on inner tracks This parameter is the track number on the disk surface where write precompensation begins Landing Zone This number is the cylinder location where the heads normally park when the system is shut down Sectors The number of sectors per track MFM drives have 17...

Страница 53: ...2 17 43 MB 22 733 5 300 733 17 30 MB 23 306 4 0 336 17 10 MB 24 925 7 0 925 17 54 MB 25 925 9 65535 925 17 69 MB 26 754 7 754 754 17 44 MB 27 754 11 65535 754 17 69 MB 28 699 7 256 699 17 41 MB 29 823 10 65535 823 17 68 MB 30 918 7 918 918 17 53 MB 31 1024 11 65535 1024 17 94 MB 32 1024 15 65535 1024 17 128 MB 33 1024 5 1024 1024 17 43 MB 34 612 2 128 612 17 10 MB 35 1024 9 65535 1024 17 77 MB 36 ...

Страница 54: ...h no keyboards The settings are Absent or Present The Optimal and Fail Safe default settings are Present Primary Display This option configures the type of monitor attached to the computer The settings are Mono CGA40x25 CGA80x25 VGA EGA or Absent The Optimal and Fail Safe default settings are VGA EGA Setup Color Scheme This option specifies the foreground background and border color combinations t...

Страница 55: ...ings are Enabled Pause on Config Screen This option specifies the length of time that the AMIBIOS configuration screen appears The settings are 2 sec 3 sec 4 sec 5 sec 6 sec 7 sec 8 sec 9 sec or Disabled The Optimal and Fail Safe default settings are Disabled Boot Up Num Lock Set this option to Off to turn the Num Lock key off when the computer is booted so you can use the arrow keys on both the n...

Страница 56: ...y Drive SwapSet this option to Enabled to permit drives A and B to be swapped The settings are Enabled or Disabled The default settings are Disabled Floppy Access Control This option specifies the read write access that is set when booting from a floppy drive The settings are Read Write or Read Only The Optimal and Fail Safe default settings are Read Write Hard Disk Access Control This option spec...

Страница 57: ...isnotreceivedimmediatelyfromtheIDE drive AMIBIOSdoesnotconfigurethatdrive AMIBIOSdoesnotwaitfor 5 secondsaftersendingaRESETsignaltotheIDEdrivetoallowtheIDEdrive timetogetreadyagain YoucannotrunAMIBIOSSetupatsystemboot becausethereisnodelayfor theHit Del to run Setup message The Optimal and Fail Safe default settings are Disabled 1st Boot Device This option sets the type of device for the first boo...

Страница 58: ...from any other drive in the system if it cannot find a boot drive among the drives specified in the 1st Boot Device 2nd Boot Device 3rd Boot Device and 4th Boot Device options The settings are Yes or No The Optimal and Fail Safe default settings are Yes L1 L2 Cache This option sets the type of caching algorithm used by the L1 internal cache memory on the CPU and the L2 secondary cache memory The s...

Страница 59: ... copied from ROM to RAM and can be written to or read from cache memory The Optimal default setting is Cached The Fail Safe default setting is Disabled Shadow C800 16K Shadow CC00 16K Shadow D000 16K Shadow D400 16K Shadow D800 16K Shadow DC00 16K These options enable shadowing of the contents of the ROM area named in the option ROM areas not used by ISA adapter cards are allocated to PCI adapter ...

Страница 60: ... Compliance Set this option to Enabled to program the chipset to comply with the PCI Version 2 1 specification The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled DRAM Speed ns This option specifies the RAS access time in nanoseconds of the DRAM used in the computer for system memory The settings are 60 ns or 70 ns The Optimal and Fail Safe default settings...

Страница 61: ...andardPower ManagementoptioninPowerManagementSetuptoEnabled tomakesure thattheSystemManagementInterface SMI isenabled Ifyoudonotwantto enablepowermanagement settheAdvancedPowerManagement APM option toDisabled andsetallPowerManagementSetuptimeoutoptionsto Disabled Toenablepowermanagement setAdvancedPowerManagement APM toEnabled andsetthepowermanagementtimeoutoptionsasdesired The following illustrat...

Страница 62: ...ptions configure the option ROM only if you have installed a ROM chip in the option ROM socket Optional ROM Decode This option specifies the starting address of an adapter ROM to be decoded The settings are C000h C800h D000h D800h or Disabled The Optimal and Fail Safe defaults are Disabled Optional ROM Shadow Before Init Set this option to Enabled to permit the contents of the option ROM to be cop...

Страница 63: ...rity system that require continuous monitoring The computer then automatically resets after it locks up and the application can continue running with no human intervention required The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled CPU Thermal AlarmSet this option to Enabled to enable an alarm if the Pentium II CPU overheats The settings are Enabled or Dis...

Страница 64: ...or 512KB 640KB The Optimal and Fail Safe default settings are Disabled Deturbo Frequency MHz This option specifies the deturbo frequency in megahertz The deturbo frequency is a low speed used only for old software that cannot operate at high speed The settings are 6 MHz 8 MHz 12 MHz or Disabled The Optimal and Fail Safe default settings are Disabled USB Function Set this option to Enabled to enabl...

Страница 65: ...es the length of a period of system inactivity while the computer is in Full power on state When this length of time expires the computer enters a low power consumption state but the computer can return to full power instantly when any system activity occurs This option is only available if supported by the computer hardware The settings are Disabled 1 min minute 2 min 3 min 4 min 5 min 6 min 7 mi...

Страница 66: ...of display inactivity has expired The settings are Standby Suspend or Off The Optimal and Fail Safe default settings are Disabled Hard Disk Power Down Mode This option specifies the power conserving state that the hard disk drive enters after the specified period of hard drive inactivity has expired The settings are Disabled Standby or Suspend The Optimal and Fail Safe default settings are Disable...

Страница 67: ...of a period of system inactivity while in Standby state When this length of time expires the computer enters Suspend power state The settings are Disabled 1 min minute 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 11 min 12 min 13 min 14 min or 15 min The Optimal and Fail Safe default settings are Disabled Slow Clock Ratio This option specifies the speed at which the system clock runs in ...

Страница 68: ...rupt request line If set to Monitor and the computer is in a power saving state AMIBIOS watches for activity on the specified IRQ line The computer enters the Full On state if any activity occurs AMIBIOS reloads the Standby and Suspend timeout timers if activity occurs on the specified IRQ line The settings for each of these options are Monitor or Ignore The Optimal and Fail Safe default settings ...

Страница 69: ...ed DatareadandwrittenbytheCPUisdirectedtotheboththePCIVGA device spaletteregistersandtheISAVGAdevicepaletteregisters permittingthepaletteregistersofbothdevicestobeidentical This option must be set to Enabled if any ISA adapter card installed in the system requires VGA palette snooping The Optimal and Fail Safe default settings are Disabled Allocate IRQ To PCI VGA Set this option to Yes to allow AM...

Страница 70: ...IRQ Preference PCI Slot 1 IRQ Preference PCI Slot 2 IRQ Preference PCI Slot 3 IRQ Preference PCI Slot 4 IRQ Preference PCI Slot 5 IRQ Preference PCI Slot 6 IRQ Preference These options specify the IRQ priority for USB and PCI devices installed in the PCI expansion slots The settings are Disabled Auto IRQ 5 IRQ 9 IRQ10 IRQ11 IRQ 14 or IRQ15 The Optimal and Fail Safe default settings are Auto PCI SC...

Страница 71: ... Preference PCI SCSI 4 IRQ Preference PCI SCSI 5 IRQ Preference PCI SCSI 6 IRQ Preference These options specify the IRQ priority for USB and PCI devices installed in the PCI expansion slots The settings are Disabled Auto IRQ 5 IRQ 9 IRQ10 IRQ11 IRQ 14 or IRQ15 The Optimal and Fail Safe default settings are Auto Cont d ...

Страница 72: ... If more IRQs must be removed from the pool use these options to reserve the IRQ by assigning an ISA EISA setting to it Onboard I O is configured by AMIBIOS All IRQs used by onboard I O are configured as PnP IRQ12 only appears if the PS 2 Mouse Support option in Advanced Setup is set to Disabled IRQ14 and 15 are not available if the onboard PCI IDE is enabled If all IRQs are set to ISA and IRQ14 a...

Страница 73: ...ze of the memory area reserved for legacy ISA adapter cards The settings are Disabled 16K 32K or 64K The Optimal and Fail Safe default settings are Disabled Reserved ISA Card Memory Address This option specifies the beginning address in hex of the reserved memory area The specified ROM memory area is reserved for use by legacy ISA adapter cards This option does not appear if the Reserved Memory Si...

Страница 74: ... settings are Disabled Onboard IDE Bus Master Set this option to Enabled if the onboard IDE controller is a PCI bus mastering device This option is not available if the Onboard Primary Secondary IDE option is set to Disabled The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Enabled Onboard Primary Prefetch This option enables the prefetch feature for the specified...

Страница 75: ...ail Safe default settings are Primary Offboard PCI IDE Primary IRQ Offboard PCI IDE Secondary IRQ These options specify the PCI interrupt used by the primary and secondary IDE channels if an offboard IDE controller is installed in the computer The settings are Disabled Hardwired INTA INTB INTC or INTD The Optimal and Fail Safe default settings are Disabled Serial Port1 IRQ This option specifies th...

Страница 76: ...lt setting is Disabled Serial Port2 Address This option specifies the base I O port address for serial port 2 The settings are 2F8h 2E8h or Disabled The Optimal default setting is 2F8h The Fail Safe default setting is not provided Serial Port2 FIFO This option enables the FIFO buffer for the second serial port The settings are Enabled or Disabled The Optimal default setting is Disabled The Fail Sa...

Страница 77: ...ithdevicesthatadheretotheEnhancedParallel Port EPP specification EPPusestheexistingparallelportsignalstoprovide asymmetricbidirectionaldatatransferdrivenbythehostdevice ECP TheparallelportcanbeusedwithdevicesthatadheretotheExtended CapabilitiesPort ECP specification ECPusestheDMAprotocoltoachieve datatransferratesupto2 5Megabitspersecond ECPprovidessymmetric bidirectionalcommunication The Optimal ...

Страница 78: ...password must be set first The system can be configured so that all users must enter a password every time the system boots or when WINBIOS Setup is executed using either or both the Supervisor password or User password AMIBIOS Password Support The Supervisor and User icons activate two different levels of password security Supervisor and User In addition the computer can be configured so that all...

Страница 79: ...pears only when WINBIOS is run The password is encrypted and stored in NVRAM password You can either type the password on the keyboard or select each letter of the password one at a time using the mouse The password does not appear on the screen when typed Make sure you write it down If you forget it you must drain NVRAM and reconfigure If You Do Not Want to Use a PasswordJust press Enter when the...

Страница 80: ... a record of the new password when the password is changed If you forget the password you must erase the system configuration information in NVRAM Non Volatile Random Access Memory Anti Virus When this icon is selected from the Security section of the WINBIOS Setup main menu AMIBIOS issues a warning when any program or virus issues a Disk Format command or attempts to write to the boot sector of t...

Страница 81: ...screen in a different language If you choose to display the WINBIOS Setup screen text in a different language the text for the screen messages written in the selected language must have been incorporated into the WINBOIS Setup code in AMIBIOS when the BIOS was manufactured Color Set Color Set sets the Setup screen colors Language If this feature is enabled you can choose to display all WINBIOS Set...

Страница 82: ...nt in WINBIOS Setup when you first began this WINBIOS Setup session Optimal You can load the optimal default settings for the WINBIOS by selecting the Optimal icon The Optimal default settings are best case values that should optimize system performance If NVRAM is corrupted the Optimal settings are loaded automatically Fail Safe You can load the Fail Safe WINBIOS Setup option settings by selectin...

Страница 83: ...ontinuetoholdthe Ctrl and Home keysdownuntiltheaccesslightonthe floppydrivecomeson Itmaytake10secondsormorebeforethislightturnson 4 Releasethe Ctrl and Home keys AMIBIOSissuesaseriesofbeepcodesthat indicatethatthesystemBIOSROMfileisbeingupdated 5 WhentheflashROMhassuccessfullybeenprogrammed thecomputerwillreboot 6 Whenthecomputerreboots checktheBIOSReleasetextatthebottomofthefirst bootscreentomake...

Страница 84: ...Should you inadvertently open the disk drive door or turn power off to the computer while programming the Flash EPROM the bootblock will be unaffected Simply turn power back on and begin the Flash ROM programming process again S758P ROM S758P ROM resides on a floppy disk and contains the updated main BIOS code American Megatrends will provide this file when the AMIBIOS for the MegaRUM PCI ISA moth...

Страница 85: ... on when they occur The error beep codes and when they can occur are Numberof Beeps Description 1 InsertdisketteinfloppydriveA 2 TheS758P ROMfilewasnotfoundintherootdirectoryofthediskettein floppydriveA 3 Basememoryerror 4 Flashprogramsuccessful 5 Floppyreaderror 6 KeyboardcontrollerBATcommandfailed 7 NoFlashEPROMdetected 8 Floppycontrollerfailure 9 BootBlockBIOSchecksumerror 10 Flasheraseerror 11...

Страница 86: ...8h InitializetheI Ochipset ifany E9h ProgramtheCPUclock dependentchipsetparameters EAh Enablethetimerandthefloppydisketteinterrupt Enabletheinternal cache CopythebootblockBIOSandpasscontroltothebootblockBIOS inthe0000hsegment EDh Initializethefloppydrive EEh LookforadisketteindriveA Readthefirstsectorofthediskette EFh Floppyreaderror F0h SearchforS758P ROMintherootdirectoryofthefloppydisketteindri...

Страница 87: ...eps to erase the old password Important Make sure you are properly grounded before performing the following procedure You must be certain that no electrostatic discharge ESD occurs ESD can ruin your motherboard Wear an antistatic wristband attached to a ground See Avoid Static Electricity on the following screen Step Action 1 Turnthecomputerpoweroffandremovethecomputercover 2 Placeashortingbridgeo...

Страница 88: ...rboard in the anti static bag until it is to be installed Wear an anti static wrist grounding strap before handling the motherboard Make sure you stand on an anti static mat when handling the motherboard Avoid contact with any component or connector on any adapter card printed circuit board or memory module Handle these components by the mounting bracket ...

Страница 89: ...the hottest motherboard components Temperature specifications vary with the CPU frequency Frequency Heat Sink Airflow over CPU Airflow over other component s Temperatur e Range 120 133 150 166 180 200 210 233 240 266MHzor higherspeeds YES 200 feet per minute Not critical 0 through 50 C ambient You must make sure that there is adequate air flow over the CPU inside the case Humidity The recommended ...

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