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American Megatrends Enterprise-II Motherboard User's Guide

Parameter

Description

Sectors

The number of sectors per track. Hard drives that use MFM have
17 sectors per track. RLL drives have 26 sectors per track. ARLL
and ESDI drives have 34 sectors per track. SCSI and IDE drive
may have even more sectors per track.

Capacity

The formatted capacity of the drive is : Number of heads X (Number
of cylinders) X (Number of sectors per track) X (512 bytes per
sector).

Summary of Contents for 16 Series

Page 1: ...American Megatrends Inc Series 16 Enterprise II 80486 EISA Motherboard User s Guide MAN 616 10 21 92 ...

Page 2: ...y details Limitations of Liability In no event shall American Megatrends be held liable for any loss expenses or damages of any kind whatsoever whether direct indirect incidental or consequential arising from the design or use of this product or the support materials provided with the product Trademarks Fujitsu is a registered trademark of Fujitsu America Inc IBM AT VGA OS 2 PS 2 and EGA are regis...

Page 3: ...OS Error Reporting 39 Beep Codes 40 AMIBIOS Displayed Error Messages 41 EISA Error Messages 43 ISA BIOS NMI Messages 43 EISA BIOS NMI Error Messages 43 BIOS Configuration Summary Screen 44 POST Memory Test 44 Chapter 4 AMIBIOS Setup 45 Section 1 Running AMIBIOS Setup 47 Setup Key Use 48 Auto Configuration With BIOS Defaults 49 Auto Configuration With Power On Defaults 50 Write to CMOS and Exit 50 ...

Page 4: ...ck Option 60 Video or Adaptor ROM Shadow 60 Section 4 AMIBIOS Password Support 61 Section 5 Hard Disk Utility 63 When to Use AMIBIOS Hard Disk Utilities 64 Hard Disk Format Utility 65 Auto Interleave Utility 67 Hard Disk Utility Error Messages 69 Appendix A 32 Bit Enterprise II Memory Card 71 Appendix B EISA Configuration Worksheets 73 Appendix C Heat Dissipation 91 Index 93 ...

Page 5: ...rboard It is assumed that you the computer manufacturer will use this manual as a sourcebook of information and that parts of this manual will be included in the computer owner s manual Technical Support If an Enterprise II motherboard fails to operate as described or you are in doubt about a configuration option please call technical support at 404 246 8600 Acknowledgments This manual was written...

Page 6: ...Preface vi Rev G of the Enterprise II will now support the following processor speeds 80486DX 25 33 and 50 MHz 80486SX 25 MHz 80487SX 25 MHz ...

Page 7: ...l information about motherboard and BIOS products Product Engineering Change Notices Tech Tips Technical Notes and technical manuals are available on the BBS Data Transmission Rates The BBS automatically handles modems with data transmission rates from 1 200 to 14 400 bps If using an HST modem call 404 246 8780 If using a non HST modem call 404 246 8782 BBS Phone Numbers The following table lists ...

Page 8: ......

Page 9: ...se II is an EISA Extended Industry Standard Architecture motherboard It is approximately 13 8 inches wide by 12 inches long identical in size to a standard IBM AT motherboard with similar mounting hole locations The following graphic illustrates the dimensions of the Enterprise II motherboard and identifies the height restrictions ...

Page 10: ...t Sink for 50 MHz CPUs All Enterprise II EISA motherboards with 50 MHz 80486DX CPUs are also equipped with a heat sink to help dissipate the additional heat Processor Speed All Enterprise II motherboards have two clock speeds high or low The high clock speed is factory set to 25 33 or 50 MHz The low clock speed is achieved by adding the appropriate number of software delays depending on the speed ...

Page 11: ...l Alt Shift disables it Main Memory The Enterprise II motherboard supports up to 32 MB of onboard memory It also supports up to 64 MB of additional offboard system memory on the 32 bit memory expansion slot The Enterprise II supports up to 96 MB of system RAM Up to 4 gigabytes of memory are supported on the EISA bus SIMMs The Enterprise II supports 1 MB x 9 or 4 MB x 9 fast page mode SIMMs operati...

Page 12: ...le server systems CMOS RAM The Enterprise II has 8 KB of nonvolatile SRAM with built in battery backup for EISA configuration The battery is on the CMOS RAM RTC chip itself Real Time Clock The Enterprise II has a real time clock and CMOS RAM with built in battery backup for ISA BIOS Setup The battery is on the CMOS RTC chip Math Coprocessor The Enterprise II has a socket for an optional Weitek 416...

Page 13: ...f course NMIs take precedence over the following hardware interrupts Priority Label Typical Interrupt Source 1 IRQ 0 Interval Timer 1 Counter 0 OUT 2 IRQ 1 Keyboard 3 10 IRQ 2 Used internally for IRQ 8 through IRQ 15 3 IRQ 8 Real TIme Clock 4 IRQ 9 EISA bus 5 IRQ 10 EISA bus 6 IRQ 11 EISA bus 7 IRQ 12 Mouse on EISA bus 8 IRQ 13 Coprocessor Error 9 IRQ 14 EISA bus Hard disk drive controller 10 IRQ ...

Page 14: ...bility The Enterprise II accesses 32 16 8 bit memory devices and 32 16 8 bit I O devices on the EISA bus EISA Bus The EISA Bus in the Enterprise II has a system clock that is generated by the EISA bus clock BCLK and operates at 8 33 MHz I O Slots The Enterprise II has one 32 bit proprietary memory card slot and seven 32 bit EISA bus slots fully compatible with ISA adapter cards It also has one 8 b...

Page 15: ... location The Enterprise II also uses the following EISA I O port addresses s000h through s0FFh for EISA expansion slot s400h through s4FFh for EISA expansion slot s800h through s8FFh for EISA expansion slot sC00h through sCFFh for EISA expansion slot s EISA bus slot number s 0 for motherboard Addresses The Enterprise II uses 32 bit memory addresses to access 4 gigabytes of memory address space on...

Page 16: ...em resources including memory The Enterprise II supports refresh of system memory from channel microprocessors Keyboard The Enterprise II uses a 5 pin IBM AT compatible DIN connector and has a keyboard lock to prevent unauthorized access Mouse The Enterprise II has a 6 pin IBM PS 2 compatible mini DIN connector Speaker The Enterprise II has a standard speaker attachment ...

Page 17: ...gohm resistor instead of the anti static mat Similarly a strip of conductive aluminum foil wrapped around the wrist and grounded through a 1 megohm resistor serves the same purpose as the wristband 3 Inside the carton the Enterprise II motherboard is packed in an anti static bag and sandwiched between sheets of sponge Remove the sponge and remove the anti static bag Place the Enterprise II motherb...

Page 18: ...Chapter 2 Installation 10 ...

Page 19: ...er options Page 12 2 Install memory Page 15 3 Install coprocessors Page 19 4 Install motherboard Page 21 5 Connect the power supply Page 22 6 Connect the keyboard Page 26 7 Connect the mouse Page 26 8 Connect cables Page 27 9 Install adapter cards Page 33 10 Test and configure Page 40 Warning The Enterprise II motherboard contains sensitive electronic components which can be easily damaged by stat...

Page 20: ...type of video display adapter card in the system This switch is factory set to Off for a monochrome display adapter MDA Set On for a color graphics adapter CGA This switch has no effect on EGA and VGA adapters J12 Floppy Disk Type J12 is a 3 pin single inline berg This jumper selects the floppy disk drive type when using the onboard floppy controller Some 3 drives PS 2 compatible have inverted DEN...

Page 21: ...rt pins 2 3 if the system has a 25 or 33 MHz 80486DX SX Short pins 1 2 only if the system has a 50 MHz processor J36 NMI Pin Select J36 is a four pin berg that selects processor type Short pins 2 3 if the system has an 80486SX Short pins 1 2 and 3 4 if the system has an 80487SX P24 P23T or 80486DX J22 Interrupt Latch Disable This jumper is always shorted J37 FERR Pin Select This jumper selects pro...

Page 22: ...rt pins 2 3 50 MHz Short pins 1 2 Short pins 1 2 Short pins 1 2 80486SX 25 MHz Short pins 1 2 Short pins 1 2 Short pins 2 3 80487SX 25 MHz Short pins 1 2 Short pins 1 2 Short pins 2 3 Leave J2 open if the processor is a B6 or earlier version of an i486 Selecting the Processor Type Processor Type J36 NMI Pin Select J37 FERR Pin Select 80486SX Short pins 2 3 Open 80487SX Short pins 1 2 and Pins 3 4 ...

Page 23: ...le DRAM packages You can use 1 MB or 4 MB x 9 bit SIMMs Motherboard Memory Configurations The 80486 Enterprise II supports 4 MB 8 MB 16 MB and 32 MB memory configurations on the motherboard Selecting SIMMs The table on the following page has SIMM part numbers If using SIMMs other than these be sure they meet the following specifications Parameter Specification Page Mode FAST Refresh CAS before RAS...

Page 24: ...000S 80 NEC MC 85235 80 Installing SIMMs Both Bank 0 and Bank 1 have four SIMM sockets These sockets can be filled with either 1 MB x 9 or 4 MB x 9 SIMMs Use only one type of module to fill each bank Place the 80486 Enterprise II motherboard on an anti static mat With the component side of the SIMM facing you firmly push the card into the socket at a 45 degree angle then push it up to a vertical p...

Page 25: ...atrends Enterprise II Motherboard User s Guide 17 Step 2 Install Memory Continued SIMM Installation The following graphic demonstrates how to install SIMMs SIMM Types The graphic below shows the two types of SIMMs ...

Page 26: ...nfigures the amount of memory installed in the SIMM sockets There are no user definable jumper or switch settings for configuring memory The following table shows the total system memory on the motherboard for each of the memory configurations Bank 0 Bank 1 Total Memory 1 MB x 9 None 3712K 1 MB x 9 1 MB x 9 7808K 4 MB x 9 None 16000K 4 MB x 9 4 MB x 9 32384K ...

Page 27: ...iagonal line across one corner of the square etched on the motherboard This corner corresponds to pin 1 of the coprocessor also identified by a diagonally cut corner Check for bent pins on the coprocessor Gently straighten any bent pins with pliers Install the component in the socket Align the pins and press the coprocessor firmly into the socket making sure that pin 1 of the coprocessor is aligne...

Page 28: ...Chapter 2 Installation 20 properly installed call Technical Support ...

Page 29: ...mounted The power supply is mounted at the far end of the chassis 3 Push four nylon standoffs from the solder side of the motherboard in the holes provided for them The standoffs lock in place Find the slots provided for the standoffs on the chassis Hold the motherboard component side up with the edge with the standoffs toward you and the edge with the power supply connector away from you The edge...

Page 30: ...th a switch to the proper range Use at least a 200 watt or larger power supply which should have built in filters to suppress radiated emissions The filters help the OEM pass the appropriate FCC certification testing If all EISA expansion slots are filled a standard 200 250 watt power supply is not sufficient A 300 450 watt power supply is needed if all slots are used Connect to PS1 and PS2 The po...

Page 31: ...t the Power Supply Continued Power Supply Connectors are Keyed The connectors should be keyed to prevent connecting the plugs to the wrong connectors The keys on the connector must be cut to fit on some power supplies The following figure illustrates the keys that must be cut ...

Page 32: ...cation of connectors PS1 PS2 and PS3 AT compatible power supplies have two 6 pin connectors that are inserted in PS1 and PS2 The 6 pin connector with 3 red wires and 2 black wires is connected to PS2 and the remaining 6 pin connector is connected to PS1 PS3 can be connected to an additional power source ...

Page 33: ...CC Red wire 3 12 Volts Yellow wire 4 12 Volts Blue wire 5 Ground Black wire 6 Ground Black wire PS2 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 PS3 Pinout Pin Description 1 VCC Red wire 2 VCC Red wire 3 VCC Red wire 4 Ground Black wire 5 Ground Black wire 6 Ground Black wire ...

Page 34: ...board A 5 pin DIN to 6 pin mini DIN converter is needed to connect a PS 2 type keyboard Pin Assignments 1 Keyboard clock 2 Keyboard data 3 Not used 4 Ground 5 VCC Step 7 Connect the Mouse This optional step connect a PS 2 type mouse The mouse connector 6 pin mini DIN socket labeled J6 An IBM PS 2 compatible mouse can be connected to this socket The pinout Pin Description 1 Mouse clock 2 Mouse data...

Page 35: ... 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 Pin 1 of all connectors is labeled on the Enterprise II motherboard to identify the pin orientation when plugging in cables See the following graphic The following cables should be connected to the motherboard Reset Switch cable to J17 Speaker cable to J13 Keyboard ...

Page 36: ...Chapter 2 Installation 28 J17 is a 2 pin single inline berg When this button is pressed the system performs a hard reset Pin 1 is ground and Pin 2 is Hard Reset ...

Page 37: ... 4 VCC J14 Keyboard Lock Connector J14 is a 5 pin single inline berg The keyboard lock allows the user to lock the keyboard protecting the system from unauthorized use This connector is keyed with a blank hole Pin 1 on the motherboard is labeled with a plus sign Pin Description 1 LED power 2 Key 3 Ground 4 Keyboard lock 5 Ground J18 Turbo Switch Connector J18 is a 2 pin single inline berg The turb...

Page 38: ... dual inline berg connector for floppy drives Using the graphic on page 10 identify J8 on the motherboard Pin one of each of the bergs are marked with a 1 Pin one of the cable is usually denoted by a colored stripe on the cable See the following graphic The BIOS POST routine checks the adapter slots for a floppy disk controller If a disk controller is found the onboard floppy controller is automat...

Page 39: ...he Enterprise II supports up to two 3 or 5 floppy disk drives The connecting cable is a 34 pin ribbon cable with two 34 pin edge connectors There should be a twist in the cable between the floppy connectors and the last end connector should be connected to drive A ...

Page 40: ... GND 12 FDSEL1 13 GND 14 FDSEL0 15 GND 16 MOTOR1 17 GND 18 DIR 19 GND 20 STEP 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 Floppy A Floppy B to Floppy A Floppy B to Floppy A Floppy B to Floppy A 10 to 16 12 to 14 14 to 12 16 to 10 11 to 15 13 to 13 15 to 11 ...

Page 41: ...A slots The slots are numbered on the motherboard from SLOT1 through SLOT8 The EISA slots can accept 8 or 16 bit ISA XT or AT compatible or 16 or 32 bit EISA adapter cards The slots are described below Slot Description 1 6 EISA bus master slot These slots accept any EISA ISA adapter card 7 8 EISA non bus master slot These expansion slots accept only ISA or EISA adapter cards that do not have EISA ...

Page 42: ...he other The ISA slot can be inserted into the EISA connector only far enough to make contact with the upper row of contacts EISA adapters have longer fingers to allow contact with the second row of contacts See the following graphic When installing EISA adapter cards make sure that they snap in twice and are fully seated into the EISA slot If the card makes contact only with the upper row of cont...

Page 43: ... SD02 B7 12 A8 SD01 B8 OWS A9 SD00 B9 12 A10 IOCHRDY B10 GND A11 AEN B11 SMEMW A12 SA19 B12 SMEMR A13 SA18 B13 IOW A14 SA17 B14 IOR A15 SA16 B15 DACK3 A16 SA15 B16 DREQ3 A17 SA14 B17 DACK1 A18 SA13 B18 DREQ1 A19 SA12 B19 REF A20 SA11 B20 SYSCLK A21 SA10 B21 IRQ7 A22 SA09 B22 IRQ6 A23 SA08 B23 IRQ5 A24 SA07 B24 IRQ4 A25 SA06 B25 IRQ3 A26 SA05 B26 DACK2 A27 SA04 B27 T C A28 SA03 B28 BALE A29 SA02 B2...

Page 44: ...C7 LA18 D7 IRQ14 C8 LA17 D8 DACK0 C9 MEMR D9 DREQ0 C10 MEMW D10 DACK5 C11 SD08 D11 DREQ5 C12 SD09 D12 DACK6 C13 SD10 D13 DREQ6 C14 SD11 D14 DACK7 C15 SD12 D15 DREQ7 C16 SD13 D16 5 C17 SD14 D17 MASTER C18 SD15 D18 GND 32 bit EISA Slot Pinout The following table identifies the pin values for the pins on each of the eight rows of pins on an EISA adapter card 8 and 16 bit ISA signals are shown Pins la...

Page 45: ...American Megatrends Enterprise II Motherboard User s Guide 37 lower EISA contacts The following table lists the pinouts for Rows F B E and A ...

Page 46: ...d 12 SMRDC 12 Reserved 12 SA19 13 GND 13 IOWC 13 Reserved 13 SA18 14 Reserved 14 IORC 14 Reserved 14 SA17 15 BE 3 15 DAK 3 15 GND 15 SA16 16 Access Key 16 DRQ3 16 Access Key 16 SA15 17 BE 2 17 DAK 1 17 BE 1 17 SA14 18 BE 0 18 DRQ1 18 LA 31 18 SA13 19 GND 19 REFRESH 19 GND 19 SA12 20 5 volts 20 BCLK 20 LA 30 20 SA11 21 LA 29 21 IRQ 7 21 LA 28 21 SA10 22 GND 22 IRQ 6 22 LA 27 22 SA9 23 LA 26 23 IRQ ...

Page 47: ... 4 5 volts 4 IRQ 11 4 LA3 4 LA21 5 LA2 5 IRQ 12 5 GND 5 LA20 6 Access Key 6 IRQ 15 6 Access Key 6 LA19 7 D16 7 IRQ 14 7 D17 7 LA18 8 D18 8 DAK 0 8 D19 8 LA17 9 GND 9 DRQ 0 9 D20 9 MRDC 10 D21 10 DAK 5 10 D22 10 MWTC 11 D23 11 DRQ 5 11 GND 11 D8 12 D24 12 DAK 6 12 D25 12 D9 13 GND 13 DRQ 6 13 D26 13 D10 14 D27 14 DAK 7 14 D28 14 D11 15 Access Key 15 DRQ 7 15 Access Key 15 D12 16 D29 16 5 volts 16 G...

Page 48: ...re it is seated properly _ make sure there are no screws or other foreign material on the motherboard _ plug the system into a surge protected power strip and _ make sure blank back panels are installed on the back of the chassis to minimize RF emissions Start the Test Plug everything in and turn on the switch If there are any signs of a problem turn off the unit immediately Reinstall the connecto...

Page 49: ...y seated and connected An error message is displayed if the error is less serious Recheck the system configuration or the connections Configure the System Run the AMIBIOS Setup utility You must enter the requested information and save the configuration data in CMOS RAM The system will then reset run POST and boot the operating system See the documentation on configuring the system through STANDARD...

Page 50: ...Chapter 2 Installation 42 floppy disk with Enterprise II motherboard ...

Page 51: ...American Megatrends Enterprise II Motherboard User s Guide 43 ...

Page 52: ...ze motherboards for normal operations and System Configuration Verification compare defined configuration with there hardware actually installed BIOS Error Reporting AMIBIOS performs diagnostic when the system is powered up Errors are reported in one of two different ways If Then the error occurs before the display device is initialized a series of beeps sound Beep codes indicate that a fatal erro...

Page 53: ...American Megatrends Enterprise II Motherboard User s Guide 45 If Then initialized to press F1 can also appear ...

Page 54: ...ted in the base memory the first 64 KB block of memory 3 Base 64 KB Memory Failure Memory failure in first 64 KB 4 Timer Not Operational A memory failure occurred within the first 64 KB of memory or Timer 1 on the motherboard is not functioning 5 Processor error The CPU Central Processing Unit on the motherboard has generated an error 6 8042 Gate A20 Failure Gate A20 on the keyboard controller 804...

Page 55: ...American Megatrends Enterprise II Motherboard User s Guide 47 Beeps Error message Description 10 CMOS Shutdown Register Read Write Error The shutdown register for CMOS RAM has failed ...

Page 56: ...onsult the cache memory manufacturer CH 2 Timer Error Most AT motherboards include two timers An error occurred in timer 2 CMOS Battery State Low CMOS RAM is powered by a battery The battery power is low Replace the battery CMOS Checksum Failure A checksum value is generated for error checking This message appears if the previous value is different from the current value Run AMIBIOS Setup CMOS Sys...

Page 57: ...annel 2 failed POST Invalid Boot Diskette The BIOS can read the diskette in drive A but it cannot boot the system with it Use another boot diskette and follow the screen instructions Keyboard Is Locked Unlock It The keyboard lock on the system is engaged The system must be unlocked to continue the boot process Keyboard Error Timing problem with the keyboard Make sure a keyboard controller AMIBIOS ...

Page 58: ...t The card cannot be configured Run the ECU Software Port NMI Inoperational The software port NMI is not working ISA BIOS NMI Messages ISA NMI Message Explanation Memory Parity Error at xxxxx Memory failed The memory location is xxxxx If not determined the message is Memory Parity Error I O Card Parity Error at xxxxx An adapter card failed If the address is known it is xxxxx If not the message is ...

Page 59: ... Absent Absent BANK6 Absent Absent POST Memory Test Normally the only visible POST routine is the memory test shown below ROM BIOS C 1991 American Megatrends Inc XXXXX KB OK Press DEL if you want to run SETUP C American Megatrends XX XXXX XXXXXX XXXXXXXX XXXXXX XXXX X A BIOS Identification string appears in the left bottom corner of the screen Press Ins during system boot to display two additional...

Page 60: ...lt Processor speed can be decreased by pressing Ctrl Alt Of course the OEM can modify these keystroke combinations via AMIBCP The above values are merely the default settings Enable Cache Memory External cache memory can be enabled by pressing Ctrl Alt Shift or disabled by pressing Ctrl Alt Shift The OEM can modify these keystroke combinations via AMIBCP The above values are merely the default set...

Page 61: ...TUP STANDARD CMOS SETUP permits the end user to configure and set system components such as floppy drives hard disk drives time and date monitor type and keyboard ADVANCED CMOS SETUP ADVANCED CMOS SETUP allows the end user to configure more advanced parts of memory configuration peripheral support and password support ADVANCED CMOS SETUP is discussed in Section 4 ...

Page 62: ...e system is powered on it is configured with these values unless CMOS RAM has been corrupted AMIBIOS Setup resides in the ROM BIOS Read Only Memory Basic Input Output System and is available each time the computer is turned on If for some reason CMOS RAM becomes corrupted the system is configured with the default values stored in this ROM file There are two sets of BIOS values stored in the ROM fi...

Page 63: ...American Megatrends Enterprise II Motherboard User s Guide 55 Press Del to run AMIBIOS Setup ...

Page 64: ...colors F3 Change foreground colors F5 Restores the values resident when the current Setup session began These values are taken from CMOS RAM if CMOS RAM was uncorrupted at the start of the session Otherwise the values are the BIOS Setup default values F6 Loads all features in the ADVANCED CMOS SETUP with the BIOS Setup defaults F7 Loads all features in the ADVANCED CMOS SETUP with the Power On def...

Page 65: ...d every time you choose STANDARD CMOS SETUP or ADVANCED CMOS SETUP Press any key to continue Auto Configuration With BIOS Defaults Auto Configuration With BIOS Defaults uses the default system values The BIOS default value are best case values that should optimize system performance If CMOS RAM is corrupted the BIOS defaults is automatically loaded To use the BIOS defaults type Y and press Enter T...

Page 66: ...Chapter 4 BIOS Setup 58 Default values loaded Press any key to continue ...

Page 67: ...CMOS and Exit The features selected and configured in the STANDARD CMOS SETUP ADVANCED CMOS SETUP and the new Password Setup are stored in CMOS RAM when this option is selected A CMOS RAM checksum is calculated and written to CMOS RAM Control is then passed to the ROM BIOS Write to CMOS and Exit Y N Type N and press Enter to return to the Main Menu Type Y and press Enter to save the system paramet...

Page 68: ...rs STANDARD CMOS SETUP Options Date And Day Configuration Ranges for each value are shown in the lower left corner of the Screen Move the cursor to the Date field via or and set the Date and Day by pressing PgUp and PgDn to change the values Time Configuration This option uses a 24 hour clock format For PM numbers add 12 to the hour Enter 4 30 P M as 16 30 00 Move the cursor to the Time field via ...

Page 69: ...American Megatrends Enterprise II Motherboard User s Guide 61 and set the time by pressing PgUp and PgDn ...

Page 70: ...s Type 47 can be used for both hard disks C and D The parameters for type 47 under Hard Disk C and Hard Disk D can be different which effectively allows two different user definable hard disk types The hard disk drive parameters are Parameter Description Type The number designation for a drive with certain identification parameters Cylinders The number of cylinders in the disk drive Heads The numb...

Page 71: ...rd drives that use MFM have 17 sectors per track RLL drives have 26 sectors per track ARLL and ESDI drives have 34 sectors per track SCSI and IDE drive may have even more sectors per track Capacity The formatted capacity of the drive is Number of heads X Number of cylinders X Number of sectors per track X 512 bytes per sector ...

Page 72: ... 0 663 17 20 MB 17 977 5 300 977 17 41 MB 18 977 7 65535 977 17 57 MB 19 1024 7 512 1023 17 60 MB 20 733 5 300 732 17 30 MB 21 733 7 300 732 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 6...

Page 73: ...rd User s Guide 65 Type Cylinders Heads Write Precompensation Landing Zone Sectors Size 44 830 10 65535 830 17 69 MB 45 917 15 65535 918 17 114 MB 46 1224 15 65535 1223 17 152 MB 47 Enter disk drive parameters supplied by hard drive manufacturer ...

Page 74: ...kstations Monitor Move the cursor to this field via or and select a monitor type by pressing PgUp and PgDn The settings are Monochrome Color 40x25 VGA PGA EGA Color 80x25 or Not Installed Not Installed is used for network file servers and other systems that do not have monitors Keyboard Move the cursor to this field via or and select a setting by pressing PgUp and PgDn The settings are Installed o...

Page 75: ...ory Test Memory Test Tick Sound Memory Parity Error Check Hit ESC Message Display Hard Disk Type 47 RAM Area Wait For F1 If Any Error System Boot Up Num Lock Numeric Processor Floppy Drive Seek at Boot System Boot Up Sequence Fast Gate A20 Option Password Checking Option Video ROM Shadow C000 32K Adaptor ROM Shadow C800 32K Help Screens All AMIBIOS Setup options have help screens accessed by press...

Page 76: ...Chapter 4 BIOS Setup 68 A warning message is displayed when ADVANCED CMOS SETUP is selected Press any key to continue ...

Page 77: ...atic Rate Programming enables or disables the following two options Typematic Rate Delay 250 500 750 or 1 000 milliseconds and Typematic Rate 6 8 10 12 14 15 20 24 or 30 characters per second control the speed at which a keystroke is repeated When a key is pressed and held down the associated character is displayed After a delay specified by the Typematic Rate Delay the character repeats at the Ty...

Page 78: ...Chapter 4 BIOS Setup 70 pressed and held down simultaneously only the last key is repeated Repeating stops when the last key pressed is released even if other keys are pressed ...

Page 79: ...only checks the first 1 MB of RAM Memory Test Tick Sound This option enables turns on or disables turns off the ticking sound during the memory test Memory Parity Error Check This option can be Enabled or Disabled If enabled the parity is tested on all memory above 1 MB If disabled only the first 1 MB of memory is tested Hit DEL Message Display Disabling this option prevents Hit DEL if you want to...

Page 80: ...parameters must be entered in STANDARD CMOS SETUP see page 66 This option specifies the type 47 data storage area 0 300h in lower system RAM or in the top 1 KB of applications memory starting at address 639K or 511K depending on how much base memory the system has Type 47 data is stored in shadow RAM if shadowing is enabled The following graphic illustrates type 47 data storage ...

Page 81: ...s Enterprise II Motherboard User s Guide 73 Wait for F1 If Any Error If enabled the BIOS waits until the end user presses F1 before continuing after an error message If disabled the BIOS continues after the error message ...

Page 82: ...f damage to the heads System Boot Up Sequence This option sets the boot sequence for disk drives The default is A C The settings are C A or A C Fast Gate A20 Option Gate A20 controls the ability to access memory addresses above 1 MB by enabling or disabling access to the processor address line A20 To remain XT compatible and be able to access conventional memory from 0 1024K address line A20 must ...

Page 83: ...rican Megatrends Enterprise II Motherboard User s Guide 75 keyboard controller which is slow Fast Gate A20 is an alternate method of enabling Gate A20 that permits faster switching between addresses modes ...

Page 84: ... time the system is turned on If Setup is chosen the password prompt appears if Setup is run See Section 6 Page 77 for instructions on changing a password Video or Adaptor ROM Shadow ROM shadow is a technique in which BIOS code is copied from slower ROM to faster RAM The BIOS is then executed from the RAM The video ROM segment at C000 C7FFh can be Enabled or Disabled Shadowing for the adapter ROM ...

Page 85: ...n CMOS RAM To change a password select the Change Password option from the main Setup screen and press Enter The following prompt appears Enter CURRENT Password The first time this option is selected the end user must enter a password and press Enter The screen does not display the characters entered After the current password has been correctly entered the end user is asked to retype the new pass...

Page 86: ...function is present and has been enabled Using a Password The end user must enter the new password when the password prompt appears and then press Enter The end user should use the default password if CMOS RAM is corrupted The end user should keep a record of the new password when the password is changed If he forgets the password and password protection is enabled he must return the system to the...

Page 87: ...ines the optimum interleave factor and then performs a low level format of the hard disk drive Page 83 Media Analysis Analyzes each hard disk drive track to determine whether it is usable The track is labeled bad if unusable Page 55 The hard disk utility error messages are described on page 86 These routines work on drives that use the MFM RLL ARLL or ESDI data recording techniques They do not wor...

Page 88: ...r and the drive is preformatted None Installing a new hard disk You do not have a list of bad tracks Media Analysis Installing a new hard disk You do not know the optimum interleave factor Auto Interleave Installing a new hard disk The drive is not formatted Hard Disk Format Installing a used hard disk drive N A All Hard Disk Utilities When Hard Disk Diagnostics is selected the following screen ap...

Page 89: ...ard disk before running this utility This routine does not work on IDE or SCSI drives Use Hard Disk Format to integrate a new hard disk to the system or to reformat a used hard disk which has developed bad tracks as a result of aging or poor handling Select Media Analysis to find bad tracks The following screen appears when Hard Disk Format is selected Hard Disk Format screen ...

Page 90: ...selected manually or determined by the Auto Interleave routine The hard disk drive manufacturer usually provides a list of bad tracks Enter these tracks They are then labeled as bad to prevent data from being stored on them The following screen is displayed after entering Y in Mark Bad Tracks pressing Enter and selecting add delete revise or clear from the Bad Track Edit Menu Type Y and press Ente...

Page 91: ...or four different interleave values To determine the best interleave factor the system formats a portion of the hard disk for each transfer rate calculated The cylinders heads and sectors formatted for each value is displayed in the activity box It does not work on IDE or SCSI drives Select Auto Interleave on the main Hard Disk Utility Screen and press Enter The following appears The cursor is on ...

Page 92: ...IOS Setup 84 Menu press Esc Type Y and press Enter to proceed with the Auto Interleave process A warning screen appears Press Enter to return to the main Hard Disk Utility screen To proceed type Y and press Enter ...

Page 93: ...rites to all cylinders and heads on the hard disk to verify any bad tracks the test requires several minutes to complete For best results run this test in its entirety Media Analysis does not work on IDE or SCSI drives Select Media Analysis from the main Hard Disk Utility Menu and press Enter The following screen appears Media Analysis Screen The cursor is on Proceed The warning screen appears Pre...

Page 94: ...ard Disk No response from the hard disk or the hard disk is not repairable Check all cable and power connections to the hard disk Hard Disk Controller Failure Error response from the reset command sent to the hard disk controller The controller may not be seated properly in the BUS slot C D Hard Disk Failure The hard disk drive C or D is not responding to commands Check power and cable connections...

Page 95: ...on the hard disk drive has timed out The hard disk drive utility has waited beyond a preset specified time limit Drive Parameter Activity Failed A reset command was sent to the controller followed by drive parameters Using these parameters the controller did not get a response from the hard disk Make sure the drive type is correct ECC Corrected Data Error The ECC value explained above read from th...

Page 96: ...acking the Series 19 Memory Card Memory Card Features The 32 bit Memory Card plugs into the 32 bit slot on the motherboard labeled J20 and J21 The Memory Card has a capacity of 64 MB and uses 1 MB or 4 MB x 9 SIMMs It has four 32 bit memory banks with four sockets each Use as many banks as you wish All banks must use the same SIMM type When upgrading memory on the Memory Card you must fill an enti...

Page 97: ...otherboard User s Guide 89 The SIMM banks on the 80486 Enterprise II motherboard are marked BNK1 and BNK2 The SIMM banks on the 32 bit Memory Card are marked BANK3 BANK4 BANK5 and BANK6 The DIP switch SW on the memory board has no effect ...

Page 98: ...sure the SIMMs are seated properly Memory Configurations This table shows the total memory for all memory combinations BANK 1 and 2 are on the motherboard BANK3 4 5 and 6 on the memory card Bank1 Bank2 Bank3 Bank4 Bank5 Bank6 Total RAM 1 MB 1 MB 1 MB 12 MB 1 MB 1 MB 1 MB 1 MB 16 MB 1 MB 1 MB 1 MB 1 MB 1 MB 20 MB 1 MB 1 MB 1 MB 1 MB 1 MB 1 MB 24 MB 1 MB 1 MB 4 MB 24 MB 1 MB 1 MB 4 MB 4 MB 40 MB 1 M...

Page 99: ...ISA Configuration Utility ECU when configuring an EISA system with many EISA adapter cards Motherboard Configuration Serial Number __________________________ Revision Number ________________________ ECN Number _____________________________ Memory Type for Bank1 and Bank2 ___ 1 MB x 9 SIMM check the type used ___ 4 MB x 9 SIMM Memory Type for Bank3 Bank4 ___ 1 MB x 9 SIMM Bank5 and Bank6 ___ 4 MB x...

Page 100: ...Appendix B EISA Configuration Worksheets 92 check the options installed ...

Page 101: ...licate this sheet if there are more than two memory banks Amount of Memory __________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ Syste...

Page 102: ...RQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ __________________________________________________...

Page 103: ...licate this sheet if there are more than two memory banks Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ Syst...

Page 104: ...RQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ __________________________________________________...

Page 105: ... banks Duplicate this sheet if there are more than two memory banks Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Us...

Page 106: ...Appendix B EISA Configuration Worksheets 98 Share ___ Yes ___ No ...

Page 107: ...Q11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ _________________________________________...

Page 108: ...uplicate this sheet if there are more than two memory banks Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ Sy...

Page 109: ...American Megatrends Enterprise II Motherboard User s Guide 101 Share ___ Yes ___ No ...

Page 110: ...RQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ __________________________________________________...

Page 111: ...licate this sheet if there are more than two memory banks Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ Syst...

Page 112: ...11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings _________________________________________________________ _________________________________________________________ ____________________________________________________...

Page 113: ...y banks Duplicate this sheet if there are more than two memory banks Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM U...

Page 114: ...Appendix B EISA Configuration Worksheets 106 Share ___ Yes ___ No ...

Page 115: ...0 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings _________________________________________________________ _________________________________________________________ ___________________________________________...

Page 116: ...uplicate this sheet if there are more than two memory banks Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ Sy...

Page 117: ...American Megatrends Enterprise II Motherboard User s Guide 109 Share ___ Yes ___ No ...

Page 118: ...RQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ __________________________________________________...

Page 119: ...licate this sheet if there are more than two memory banks Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ System ___ Expanded ___ Virtual ___ Other Amount of Memory ___________________________ Starting Address hex ___________________________ Cacheable ___ Yes ___ No Type ___ RAM ___ ROM Use ___ Syst...

Page 120: ...RQ12 ___ IRQ14 ___ IRQ15 Share ___ Yes ___ No Level Triggered Interrupts Interrupt line used ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ __________________________________________________...

Page 121: ...American Megatrends Enterprise II Motherboard User s Guide 113 ...

Page 122: ...is power is concentrated in a small area it is necessary to remove the heat generated by this power consumption For this reason we have supplied a heat sink with all American Megatrends motherboards and CPU Cards that have a 50 MHz 80486DX or 66 MHz 80486DX2 CPU Since American Megatrends manufactures only the motherboard and CPU Card system components it has no control over operating factors such ...

Page 123: ...un a diagnostics utility program such as AMIDiag for at least one hour Expected Results If the temperature on the surface of the heat sink is 75 degrees centigrade or below there will be no problem with the operation of the computer Identifying a Problem If the temperature exceeds 75 degrees centigrade the system integrator must take the necessary measures to ensure that the CPU does not overheat ...

Page 124: ...Appendix C Heat Dissipation 116 Different case styles may have better ventilation allowing for more air flow over the CPU ...

Page 125: ...Sound 57 Numeric Processor 59 Password Check Option 60 System Boot Up Num Lock 59 System Boot Up Sequence 59 Typematic Rate and Delay 56 Video Adapter ROM Shadow 60 Warning Message 55 Auto Interleave 63 Auto Interleave Utility 67 Base 64 KB Memory Failure 40 BIOS Beep Codes 40 Error Reporting 39 Hard Disk Utilities 63 Non Fatal Error Messages 41 POST 39 POST Memory Test 44 POST Phases 39 BIOS Setu...

Page 126: ...ion Slots 30 33 Enterprise II Graphic 10 Fast Gate A20 59 Fast Gate A20 Options 59 Floppy Disk J12 Floppy Disk Type 12 J8 Connector 28 Seek at Boot 59 Floppy Disk Connector Pinout 28 Floppy Drive connector Pinout 29 Hard Disk Parameter Table 53 Standard CMOS Setup Configuration 52 Hard Disk Format 63 Hard Disk utilities Error messages 69 When to use 64 Hard Disk Utility 63 Heat Sink 2 I O Port 80h...

Page 127: ... Installation 15 Memory Card 71 Memory Configurations 72 Unpacking 71 Upgrading RAM 71 Memory Configuration 15 18 Memory Test Tick Sound 57 Monitor 54 Motherboard Layout 10 Non Fatal Error Messages 41 Password Changing a Password 61 Check Option 60 Using a Password 62 Pinout Floppy connector 29 POST 39 Memory Test 44 Phases 39 Power Supply 21 Pinouts 24 Processor error 40 Processor Speed 2 PS1 21 ...

Page 128: ...tic Rate 56 Warning Message 49 Warning Screen 55 SIMMs 15 Installing 16 Part numbers 16 Selecting 15 Speaker Cable Connector 27 Standard CMOS Setup 51 Date 51 Hard Disk 52 Keyboard 54 Monitor 54 Time 51 SW1 12 Switch and Jumper Options 12 14 Switches SW1 12 Testing System 36 Testing the Motherboard 36 Turbo Mode J18 Switch Connector 27 J19 Turbo LED 28 Typematic Rate and Delay 56 Unpacking the Mot...

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