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MegaPro Dual Pentium Pro PCI ISA Motherboard User’s Guide

76

Programming the Flash ROM,

Continued

Bootblock Actions

When you reprogram from system boot, the bootblock code:

Step

Action

1 Reads S745P.ROM from the root directory

of the floppy disk in drive A:.

2

Erases the Flash EPROM.

3

Programs the Flash EPROM with the data
read from the floppy disk in drive A:.

4

Generates a CPU reset, rebooting the
computer.

The bootblock part of the Flash EPROM is not programmed. 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.

S745P.ROM

S745P.ROM resides on a floppy disk and contains the updated main
BIOS code. American Megatrends will provide this file when the
AMIBIOS for the MegaPro PCI ISA motherboard must be updated.

S745P.ROM must be present in the root directory of the floppy disk
before the onboard Flash EPROM can be reprogrammed. The file that
has the main BIOS code must be named S745P.ROM.

Cont’d

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Содержание MegaPro

Страница 1: ...MegaPro Dual Pentium Pro PCI ISA Motherboard User s Guide MAN 745 2 5 97 ...

Страница 2: ...r consequential arising from the design or use of this product or the support materials provided with the product Trademarks Intel Pentium Pro and Pentium are registered trademarks of Intel Corporation MS DOS Microsoft Word and Microsoft are registered trademarks of Microsoft Corporation Windows 95 Microsoft Windows and Windows NT are trademarks of Microsoft Corporation IBM AT XT CGA VGA PS 2 OS 2...

Страница 3: ...describes the specifications and features of the MegaPro PCI motherboard It explains how to assemble a system based on the MegaPro 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 ...

Страница 4: ...can Megatrends MegaPro PCI Pentium Pro Motherboard User s Guide 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 chips per SIMM Seethe memory section for information about approved system memory parts and vendors ...

Страница 5: ... Compliance option in Chipset Setup is set to Enabled The Version 2 1 PCI specification requires a deterministic latency for PCI devices Computers that use ISA DMA or ISA bus masters will experience longer access latencies if the PCI 2 1 Compliance Chipset Setup option is set to Enabled AMIBIOS automatically configures the PCI slots The PCI slots are synchronous with the CPU clock CPU External Clo...

Страница 6: ...r Management Software The server management software for Windows NT only monitors the following hardware parameters CPU ambient temperatures system voltage levels CPU heat sink and chassis fan operation chassis intrusion and memory failure reporting if ECC is enabled ...

Страница 7: ...B SGRAM This RAM cannot be upgraded a VGA cable is included and video drivers for Windows 95 and Windows NT will be provided You can download video drivers for all other operating systems from the ATI BBS at 905 764 9404 Make sure you load the ATI 3D RAGE II drivers from the diskette provided Windows 95 auto detection tries to load the ATI Mach 64 drivers which will not function properly ...

Страница 8: ...xpansion Slots 0 62 Keyboard Connectors 0 85 SIMM Sockets 1 5 CPU Fan and Voltage Regulators 2 Power Connectors 1 5 13 75 12 Warning This motherboard contains sensitive electronic components that can be easily damaged by static electricity Follow the instructions carefully to ensure correct installation and to avoid static damage ...

Страница 9: ...ductive aluminum foil wrapped around the wrist and grounded through a 1 megaohm resistor serves the same purpose as the wristband 3 Inside the carton the motherboard is packed in an anti static bag and sandwiched between sheets of sponge 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 t...

Страница 10: ... the motherboard 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 11: ...K2 J14 J16 SPKR P12 Parallel J12 1 2 J6 J13 IDELED BIOS Optional ROM P4 SER1 P5 SER2 P13 Secondary IDE P11 Primary IDE J17 J7 J23 KEY LOCK J3 CPU Fan 1 2 J4 1 2 P20 VGA Connector P6 P7 P3 BANK3 BANK1 ISA SLOT 1 ISA SLOT 2 ISA SLOT 3 ISA SLOT 4 J24 J15 J11 P14 USB1 P15 USB2 1 2 J1 J2 CPU Fan J51 2 Megatren ds M e g atre n ds Megatrend s J8 J10 J9 J19 J20 J29 J26 TLED J27 J28 Reset J21 Grn PC J22 J1...

Страница 12: ...J24 133 MHz Open Short Open Short Short Pins 1 2 Short Pins 3 4 Short Pins 5 6 Short Pins7 8 Short Pins 1 2 150 MHz Short Open Short Open Short Pins 3 4 Short Pins 5 6 Short Pins7 8 Short Pins 1 2 166 MHz Open Short Open Short Short Pins 3 4 Short Pins 5 6 Short Pins7 8 Short Pins 1 2 180 MHz Short Open Short Open Short Pins 1 2 Short Pins 5 6 Short Pins7 8 Short Pins 1 2 200 MHz Open Short Open S...

Страница 13: ...and J5 Setting 3 5V Short Pins 1 2 Short Pins 3 4 Short Pins 5 6 Short Pins 7 8 3 4V Short Pins 1 2 Short Pins 3 4 Short Pins 5 6 3 3V Factory Setting Short Pins 1 2 Short Pins 3 4 Short Pins 7 8 3 2V Short Pins 1 2 Short Pins 3 4 3 1V Short Pins 1 2 Short Pins 5 6 Short Pins 7 8 3 0V Short Pins 1 2 Short Pins 5 6 2 9V Short Pins 1 2 Short Pins 7 8 2 8V Short Pins 1 2 2 7V Short Pins 3 4 Short Pin...

Страница 14: ...CPU heat sink to motherboard power J2 is the CPU fan connector for the CPU in U14 J3 is the CPU fan connector for the CPU in U15 J2 J3 12V Pin1 Ground FanSense 12V Pin1 Ground FanSense All Pentium Pro CPUs are shipped with a heat sink and a CPU fan The connector from the CPU fan usually has three leads The leads are usually yellow red and black Connect the Red lead to Pin 3 12V Make sure that you ...

Страница 15: ...procedures in this section exactly as documented Make sure you wear an antistatic wristband while installing the CPU Follow all antistatic procedures Step Action 1 Lift the lever on the ZIF socket The empty CPU socket looks like this 2 Check for bent pins on the CPU Gently straighten any bent pins with pliers Place the CPU in the middle of the socket as shown below Make sure that pin 1 of the CPU ...

Страница 16: ...MegaPro Dual Pentium Pro PCI ISA Motherboard User s Guide 12 Step Action 3 Complete installation by lifting the ZIF lever to the other side of the socket as shown below Pentium Pro ...

Страница 17: ...he voltage regulator which is the default source or from a 3 3V power supply 3 3V From Voltage Regulator Set J1 and J6 as shown below to configure 3 3V power through the voltage regulator Pin 1 Pin 6 2 3 4 5 J6 Pin 1 Pin 6 2 3 4 5 J1 3 3V from a 3 3V Power Supply Set J1 and J6 as shown below to configure 3 3V power from a 3 3V power supply Pin1 Pin 6 2 3 4 5 J6 Pin1 Pin6 2 3 4 5 J1 Cont d ...

Страница 18: ... Fan Connector J18 is a 3 pin berg that provides 12V power to the main chassis fan The chassis fan should provide a tachometer output on Pin 1 so it can be monitored by the onboard server management hardware The pinout is Pin Description 1 Fan Sense 2 Ground 3 12V J19 Enable Onboard PCI VGA J19 is a 2 pin berg that enables or disables the onboard PCI ATI VGA controller The J19 settings are Onboard...

Страница 19: ...Connector J27 is a 14 pin dual inline berg that connects to an external 12C module that has advanced server management capabilities J27 will be used in the future to support Advanced Server Management At present do not connect anything to J27 J29 Erase Password J29 is a 2 pin berg that can be used to erase the contents of CMOS RAM where all system configuration information is stored If you forget ...

Страница 20: ...32 or 36 4 MB x 32 or 36 8 MB x 32 or 36 or 16 MB x 32 or 36 SIMMs Fast Page Mode EDO and Burst EDO SIMMs cannot be mixed The motherboard supports SIMMs operating at 50 or 60 ns RAS access time 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...

Страница 21: ...s tCPA 45 ns SIMM Part Numbers Type Manufacturer Part Number 1 MB x 36 Micron MT12D136M 6 Mitsubishi MH1M36ADJ 6 PNY P361000 60 Motorola MCM36100AS 60 Oki MSC2355 60YS12 Samsung KMM5361000AV 6 2 MB x 36 PNY P362000 60 Samsung EMM53620036 60 4 MB x 36 Micron MT12D436M 6 Mitsubishi MH4M36SAJ 6 Motorola MCM36400S 60 PNY P364000 60 Samsung KMM5364100 6 8 MB x 36 Motorola MCM36800S 60 PNY P368000 60 Ad...

Страница 22: ...veral different operating environments The MegaPro motherboard uses Tin Lead SIMM sockets We recommend that you use only tin plated SIMMs Memory Manufacturer Contact Phone Fax Part Number Advantage Memory Corporation Dwayne Abrader 800 245 5299 714 453 8158 A1636 16XT 66T Simple Technology Inc Maureen Blando 800 367 7330 ext 240 714 851 2758 STI3616100A 60T Samsung All American Semiconductor or Be...

Страница 23: ...itry If you must use 64 MB SIMMs use only SIMMs that have 12 or 8 chips per SIMM See the above table for a list of 64 MB 16 MB x 36 SIMMs that have been tested and approved by American Megatrends Do not use 70 ns SIMMs The system memory timing cycle on this motherboard are very sensitive This motherboard does not work reliably with 70 ns SIMMs Place the motherboard on an anti static mat With the c...

Страница 24: ...motherboard is mounted The power supply is mounted at the far end of the chassis 3 Hold the motherboard component side up with the edge with the SIMM sockets toward you and the edge with the power supply connector away from you The keyboard mouse and video connectors should be to the left 4 Carefully slide the motherboard into the chassis Make certain the edge connectors fit the ports in the rear ...

Страница 25: ...Chapter 1 Hardware Installation 21 Step 5 Install Motherboard Continued Plating The screw head must not be larger than the plating around the mounting hole ...

Страница 26: ...s to the motherboard make sure to connect the correct connector end Most connector 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 on...

Страница 27: ...ower requirements in the electrical specification for each adapter card Determine the power required by every drive in the system Use at least a 400 watt power supply which should have built in filters to suppress radiated emissions Important Use at least a 400 watt power supply to guarantee reliable operation Connect Power Supply The power supply should match the physical configuration of the cha...

Страница 28: ...connector P6 and P7 on the motherboard AT compatible power supplies have two six pin connectors attached as shown below The six pin connector on the power cable with three red wires and two black wires is attached to P7 The other connector on the end of the power cable is attached to P6 BLACK BLACK WHITE RED RED RED ORANGE RED YELLOW BLACK BLACK BLUE Cont d ...

Страница 29: ...nector must be cut to fit on some power supplies as shown below Pin 1 Pin 1 P6 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 P7 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 30: ...C Red wire 2 VCC Red wire 3 VCC Red wire 4 Ground Black wire 5 Ground Black wire 6 Ground Black wire P2 Pinout P1 provides 3 3V power Pin Description 1 3 3V 2 3 3V 3 3 3V 4 Ground Black wire 5 Ground Black wire 6 Ground Black wire P3 Pinout P3 prov ides 3 3V power Pin Description 1 Ground Black wire 2 Ground Black wire 3 Ground Black wire 4 3 3V 5 3 3V 6 3 3V ...

Страница 31: ...or the mouse or make your own cable The pinout is Pin Description Pin Description 1 Mouse Clock 2 N C 3 N C 4 N C 5 N C 6 VCC 7 N C 8 Mouse Data 9 Ground 10 N C J15 PS 2 Mouse IRQ J15 is a three pin berg that enables the PS 2 mouse interrupt IRQ12 Short Pins 2 3 of J15 to enable IRQ12 as the PS 2 mouse interrupt You should always short Pins 2 3 of J15 to enable the PS 2 mouse interrupt The only re...

Страница 32: ...ies the positive connector J28 Reset Switch Connector J28 is a two pin single inline berg that is attached via a cable to an externally mounted reset switch When the reset switch is pressed the system performs a hard reset Pin 1 is ground and Pin 2 is Hard Reset J16 Speaker Connector J16 is a four pin single inline berg that is optionally attached via a cable to a standard system speaker AMIBIOS s...

Страница 33: ...therboard is identified by the broad arrow Pin Description 1 VCC 2 Ground 3 Ground 4 Keyboard Lock KBDINH 5 Ground J26 Turbo LED J26 is a two 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 J13 IDE LED J13 is a two pin berg that is attached via a cable to the externally mounted IDE Activity LED This LED ...

Страница 34: ... the adapter cards installed in the expansion slots on the MegaPro PCI motherboard for a hard disk or floppy controller and serial or parallel ports P4 SER1 P5 SER2 P4 and P5 are 9 pin connectors that provide an AT compatible serial port interface Connect the cables supplied with the motherboard to P4 and P5 Pin 10 is cut The serial port base I O port address and other serial port settings can be ...

Страница 35: ... to DB25 cable provided with the motherboard to P12 This interface supports the standard Centronics compatible parallel port the Extended Capabilities Port and the Enhanced Parallel Port 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 Ground 21 Ground 22 G...

Страница 36: ...be mounted on the chassis Make sure the red wire on the cable is connected to Pin1 of P20 The pinout is Pin Signal Description Pin Signal Description 1 Red 8 Ground 2 Green 9 Ground 3 Blue 10 Ground 4 VSYNC 11 Fuse 5 HSYNC 12 Ground 6 MONID1 13 Ground 7 MONID2 14 Pin is Cut VGA Cable and P20 Connectors The following drawing illustrates the VGA connectors on the VGA cable and the motherboard 1 2 3 ...

Страница 37: ... MONID2 Standard VGA Female Connector P20 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 P20 Standard VGA Connector 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 Ground 6 Ground 9 Grou...

Страница 38: ...with a floppy controller 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 connector...

Страница 39: ...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 40: ...tium Pro PCI ISA Motherboard User s Guide 36 Step 6 Attach Cables 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 41: ...1 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 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 Peripheral Setup to use an ISA ESDI R...

Страница 42: ...ATA14 17 DATA0 18 DATA15 19 GND 20 KEY 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IDERDY 28 Pullup 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 P13 Secondary IDE Controller P13 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 secondary ma...

Страница 43: ...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 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IDERDY 28 Pullup 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 44: ...ll Technical Support if there are problems BIOS Errors If the system operates normally a display should appear on the monitor The BIOS Power On Self Test 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 T...

Страница 45: ...mputer 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 can access using a mouse The WI...

Страница 46: ...double click 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 pre...

Страница 47: ...screen Main Windows The WINBIOS Setup main windows are WINBIOS Setup Windows See Section The Setup icons allow you to set system configuration options such as date time hard disk type and floppy type 1 The Security icons allow you to configure passwords and enable AMIBIOS anti virus protection 2 The Utilities section allows you to change the WINBIOS Setup screen colors and to change the language t...

Страница 48: ... All Standard 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 49: ...parameters Select LBA Large Mode Select On if the drive has a capacity greater than 540 MB Select Block Mode Select On to allow block mode data transfers Make sure the IDE drive supports block mode Data may be destroyed if block mode is selected but the IDE drive does not support block mode Select 32 Bit Transfer Select On to allow 32 bit data transfers Select the PIO Mode It is best to select Aut...

Страница 50: ...compensation 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 driv...

Страница 51: ...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 52: ...d This option permits you to configure workstations with 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 configures t...

Страница 53: ...lt settings are Enabled Pause On Configuration 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 10 sec or Disabled The Optimal and Fail Safe default settings are Disabled Boot Up Num Lock Set this option to On to turn off the Num Lock key when the system is powered on so you can use the ar...

Страница 54: ...The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled Quick Boot Set this option to Enabled to allow the BIOS to boot to the operating system within 5 seconds after the computer power switch is turned on The settings are Enabled or Disabled The Optimal default setting is Enabled The Fail Safe default setting is Disabled 1st Boot Device This option sets the se...

Страница 55: ... The settings are Enabled or Disabled The Optimal and Fail Safe default settings are Disabled L1 L2 Cache Set this option to Enabled to enable the L1 internal cache memory on the CPU and the L2 secondary cache memory The settings are WriteBack Write Thru or Disabled The Optimal default setting is Enabled The Fail Safe default setting is Disabled System BIOS Cacheable When this option is set to Ena...

Страница 56: ...lected Select this option if a caching controller is installed in the computer Soft resets must not generate a hard reset if a caching controller is used If a hard reset is generated a PCI caching controller card may not be able to flush data from its cache memory to a hard disk drive before the reset Video Shadow C000 32K This option specifies the way that the 32 KB of video ROM beginning at C000...

Страница 57: ...s will be allocated to PCI adapter cards The settings are Setting Description Disabled The contents of the video ROM are not copied to RAM Cached The contents of the video ROM area from C0000h C7FFFh are not only copied from ROM to RAM the contents of the C0000h C7FFFh RAM area can be written to or read from cache memory Shadow The contents of the video ROM area from C0000h C7FFFh are copied from ...

Страница 58: ... to DRAM system memory does not solve the problem In this case the second time the error occurs in the same location a Parity Error is reported indicating an uncorrectable error If Level II is selected AMIBIOS automatically sets theStandard Power Management option in Power Management Setup to Enabled to make sure that the System Management Interface is enabled If you do not want to enable power ma...

Страница 59: ...er Set this option to Enabled to enable the USWC memory attribute and improve video performance when a PCI video adapter is installed However VGA card drivers may not behave correctly when this option is set to Enabled The settings are Disabled or Enabled The Optimal and Fail Safe defaults are Disabled Optional ROM The MegaPro PCI Pentium Pro motherboard has an empty option ROM socket near the ISA...

Страница 60: ... Safe default settings are Disabled Watchdog Timer This motherboard has an integrated system watchdog timer The watchdog timer reboots the computer if there is no bus activity for 1 2 seconds Set this option to Enabled when running applications such as a security system that require continuous monitoring The computer then automatically resets after it locks up and the application can continue runn...

Страница 61: ...0KB 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 enable USB suppo...

Страница 62: ... 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 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 11 m...

Страница 63: ...xpired The settings are Off Standby Suspend or Disabled 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 Disabled Hard Disk Timeou...

Страница 64: ...ifies the length 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 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 cloc...

Страница 65: ...ing 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 are Disabled for all the above options except IRQ3 IRQ4 IRQ7 IRQ12 IRQ...

Страница 66: ...evices in the computer one PCI and one ISA and VGA Palette Snoop Bit Setting Action Disabled Data read and written by the CPU is only directed to the PCI VGA device s palette registers Enabled Data read and written by the CPU is directed to the both the PCI VGA device s palette registers and the ISA VGA device palette registers permitting the palette registers of both devices to be identical This ...

Страница 67: ... settings are 32 64 96 128 160 192 224 or 248 The Optimal default setting is 248 The Fail Safe default setting is 248 USB Device IRQ Preference PCI Slot 1 IRQ Preference PCI Slot 2 IRQ Preference PCI Slot 3 IRQ Preference PCI Slot 4 IRQ Preference These options specify the IRQ priority for USB devices and the PCI devices installed in the PCI expansion slots The settings are Auto IRQ3 IRQ4 IRQ5 IRQ...

Страница 68: ...M If more IRQs must be removed from the pool the end user can 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 PCI PnP IRQ12 only appears if the Mouse Support option in Advanced Setup is set to Disabled IRQ14 and 15 will not be available if the onboard PIIX3 PCI IDE is enabled If all IRQs...

Страница 69: ... 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 hexadecimal 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 Siz...

Страница 70: ...imary Secondary or Both The Optimal and Fail Safe default settings are Disabled Onboard IDE Bus Master Set this option to Enabled if the onboard IDE controller is a PCI bus mastering device 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 IDE device attached to the onboard...

Страница 71: ...Optimal and Fail 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...

Страница 72: ...afe default 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 Th...

Страница 73: ...h devices that adhere to the Enhanced Parallel Port specification EPP uses the existing parallel port signals to provide asymmetric bidirectional data transfer driven by the host device ECP The parallel port can be used with devices that adhere to the Extended Capabilities Port specification ECP uses the DMA protocol to achieve data transfer rates up to 2 5 Megabits per second ECP provides symmetr...

Страница 74: ...isor 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 tha...

Страница 75: ...ed The password is encrypted and stored in NVRAM As shown on the above screen you are prompted for a 1 6 character 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 U...

Страница 76: ... the new password as prompted and press Enter If the password confirmation is incorrect an error message appears If the new password is entered without error press Esc The password is stored in NVRAM after WINBIOS completes The next time the system boots a password prompt appears if the password function is present and enabled Remember the Password Keep a record of the new password when the passwo...

Страница 77: ...e selected language must have been incorporated into the WINBOIS Setup code in AMIBIOS when the BIOS was manufactured Language If this feature is enabled you can choose to display all WINBIOS Setup screen text in different languages This WINBIOS Setup only displays screen messages in English Detect IDE Choose this option to let AMIBIOS find the IDE hard disk drive parameters for all IDE drives con...

Страница 78: ...lues present 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 b...

Страница 79: ...il the access light on the floppy drive comes on It may take 10 seconds or more before this light turns on 4 Release the Ctrl and Home keys AMIBIOS issues a series of beep codes that indicate that the system BIOS ROM file is being updated 5 When the flash ROM has successfully been programmed the computer will reboot 6 When the computer reboots check the BIOS Release text at the bottom of the first...

Страница 80: ...h EPROM is not programmed 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 S745P ROM S745P ROM resides on a floppy disk and contains the updated main BIOS code American Megatrends will provide this file when the AMIBIOS fo...

Страница 81: ...beep codes and when they can occur are Number of Beeps Description 1 Insert diskette in floppy drive A 2 The AMIBOOT ROM file was not found in the root directory of the diskette in floppy drive A 3 Base memory error 4 Flash program successful 5 Floppy read error 6 Keyboard controller BAT command failed 7 No Flash EPROM detected 8 Floppy controller failure 9 Boot Block BIOS checksum error 10 Flash ...

Страница 82: ... O chipset if any E9h Program the CPU clock dependent chip set parameters EAh Enable the timer and the floppy diskette interrupt Enable the internal cache Copy the boot block BIOS and pass control to the boot block BIOS in the 0000h segment EDh Initialize the floppy drive EEh Look for a diskette in drive A Read the first sector of the diskette EFh Floppy read error F0h Search for AMIBOOT ROM in th...

Страница 83: ...the old password Important Make sure you are properly grounded before performing the following procedure You must be certain that no electrostatic discharge occurs ESD can ruin your motherboard Wear an antistatic wristband attached to a ground See Avoid Static Electricity Step Action 1 Turn the computer power off and remove the computer cover 2 Place a shorting bridge on J29 3 Turn on computer pow...

Страница 84: ...p the motherboard 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 85: ...use they will be the hottest motherboard components Temperature specifications vary with the CPU frequency Frequency Heat Sink Airflow over CPU Airflow over other components Temperature Range 133 150 166 180 or 200 MHz 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 humidity range f...

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