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MegaDual Pentium II ® /Pentium III ® PCI Motherboard User's Guide MAN-798 3/15/00.
MegaDual PCI Motherboard User’s Guide ii © Copyright 2000 American Megatrends, Inc. All rights reserved. American Megatrends, Inc. 6145F Northbelt Parkway Norcross, GA 30071 This publication contains proprietary information which is protected by copyright.
Preface iii Table of Contents 1 Hardware Installation .................................. 1 Overview ..................................................................................... 1 MegaDual PCI Motherboard Layout ...............................
MegaDual PCI Motherboard User’s Guide iv Preface To the OEM Thank you for purchasing the high performance American Megatrends MegaDual Pentium II/Pentium III PCI motherboard. This product is a state of the art motherboard that includes the famous AMIBIOS.
Preface v Technical Support AMI provides technical support only for AMI products purchased directly from AMI or from an AMI-authorized reseller. If… Then… You purchased this product from AMI or from a certified AMI reseller, Call AMI technical support at 770-246- 8600.
MegaDual PCI Motherboard User’s Guide vi Packing List You should have received the following: • a MegaDual Pentium II/Pentium III PCI motherboard • one CD containing drivers for the QLogic SCSI controller, and the Intel 82559 LAN controller • one CD containing the AMI ASM (AMI Server Manager) server management program.
Chapter 1 Hardware Installation 1 1 Hardware Installation Overview The American Megatrends MegaDual Pentium II/III features include: • support for two Intel Pentium II/Pentium III CPUs • support f.
MegaDual PCI Motherboard User’s Guide 2 Overview, Continued PCI Bus Speed AMIBIOS automatically configures the PCI slots. The PCI slots are synchronous with the CPU clock: CPU External Clock Frequen.
Chapter 1 Hardware Installation 3 MegaDual PCI Motherboard Layout.
MegaDual PCI Motherboard User’s Guide 4 Step 1 Unpack the Motherboard Step Action 1 Inspect the cardboard carton for obvious damage. If damaged, call 770-246 -8600. Leave the motherboard in its original packing. 2 Perform all unpacking and installation procedures on a ground- connected anti -static mat.
Chapter 1 Hardware Installation 5 Step 2 Configure CPU Speed If you use two CPUs with different speed ratings, put the settings to the lower CPU speed. CPU speed is controlled by the BIOS setup. See the description in the Chapter 2 AMIBIOS setup for more information.
MegaDual PCI Motherboard User’s Guide 6 Step 3 Install Additional Voltage Regulator Two Voltage Regulator Modules ( VRMs) are shipped with every MegaDual motherboard. Each installed CPU requires its own VRM. Even if you use only one CPU, you can install both VRMs on the motherboard.
Chapter 1 Hardware Installation 7 Step 4 Connect CPU Fans JP13 and JP14 (shown below) are 3-pin bergs that connect the fan on the CPU heat sink to the motherboard power. JP13 is the CPU0 fan connector for the CPU in location U13. JP14 is the CPU1 fan connector for the CPU in location U15.
MegaDual PCI Motherboard User’s Guide 8 Step 5 Install CPU MegaDual supports Intel Pentium II/Pentium III SECC2 CPUs. MegaDual has two slot 1 connectors that can house these CPUs. Warning Improper CPU installation can damage the CPU and the motherboard.
Chapter 1 Hardware Installation 9 Step 6 Install Memory System Memory There are four 72 -bit SDRAM DIMM (Dual Inline Memory Module) sockets . System memory must be populated one bank at a time. Each bank contains two sockets. Bank0 contains DIMM sockets U17 and U19.
MegaDual PCI Motherboard User’s Guide 10 Step 6 Install Memory, Continued Installing DIMMs Place the motherboard on an anti-static mat. With the component side of the DIMM facing you, firmly push the DIMM into the socket at an angle , then push it up.
Chapter 1 Hardware Installation 11 Step 7 Install the Motherboard Step Action 1 Place the chassis on an anti -static mat. Connect the chassis to ground to avoid static damage during installation. Connect an alligator clip with a wire lead to any unpainted part of the chassis.
MegaDual PCI Motherboard User’s Guide 12 Step 8 Attach Cables Connectors The MegaDual PCI motherboard includes many connectors. Connection instructions, illustrations of connectors, and pinouts are supplied in the following pages.
Chapter 1 Hardware Installation 13 Step 8 Attach Cables, Continued Cable Connector Ends When connecting chassis connectors 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.
MegaDual PCI Motherboard User’s Guide 14 Step 8 Attach Cables, Continued Connect Power Supply The power supply should match the physical configuration of the chassis. Make sure the power switch is Off before assembly. Before attaching all components, make sure the proper voltage has been selected.
Chapter 1 Hardware Installation 15 Step 8 Attach Cables, Continued JP3 Drain CMOS RAM Power JP3 is a 3-pin berg that can be used to erase the contents of CMOS RAM, where all system configuration information is stored.
MegaDual PCI Motherboard User’s Guide 16 Step 8 Attach Cables, Continued JP10 IDE LED JP10 is a 2-pin connector. This jumper normally connects to the chassis. Pin 1 is indicated by the arrow: J1 PS/2 Keyboard and Mouse Combination The keyboard connector (on bottom) is a 9-pin MINIDIN socket.
Chapter 1 Hardware Installation 17 Step 8 Attach Cables, Continued JP16 Clock Spread Enable JP16 is a 2-pin single inline berg that is normally open . JP16 should be used only to reduce emissions. When JP16 is shorted, the main clock chip on MegaDual spreads the clock spectrum to reduce emissions.
MegaDual PCI Motherboard User’s Guide 18 Step 8 Attach Cables, Continued J2 USB/RJ45 Combination J2A is 4-pin USB (Universal Serial Bus) stacked connector.
Chapter 1 Hardware Installation 19 Step 9 Connect I/O Onboard Adapters The MegaDual PCI motherboard has: • two serial ports (J3B S1 and J3B S2), • a parallel port (J3A), • two Ultra Wide SCSI co.
MegaDual PCI Motherboard User’s Guide 20 Step 9 Connect I/O, Continued J3 Parallel and Serial Port Combination J3 combines a parallel port and two serial ports. Each port is described in the following sections. J3A Parallel Port J3A is a 25-pin connector for a parallel port.
Chapter 1 Hardware Installation 21 Step 9 Connect I/O, Continued J3B (S1) SER1 J3B (S2) SER2 J3B (S1) and J3B (S2) are 9-pin connectors that provide an AT-compatible serial port interface.
MegaDual PCI Motherboard User’s Guide 22 Step 9 Connect I/O, Continued JP11 Floppy Connector JP11 is a 34-pin dual-inline berg. Connect the cable from the floppy drive to JP11, as shown below. The onboard floppy controller cannot be used if a hard disk card with a floppy controller is installed.
Chapter 1 Hardware Installation 23 Step 9 Connect I/O, Continued JP11 Floppy Connector Pinout Pin Use Pin Use 1 GND 2 DENSE1 3 GND 4 N/C 5 GND 6 DRATE0 7 GND 8 -INDEX 9 GND 10 -MOTOR0 11 GND 12 -FDSEL.
MegaDual PCI Motherboard User’s Guide 24 Step 9 Connect I/O, Continued IDE Drives Attach the IDE drives in the following manner. Choose Advanced menu ( IDE Configuration subscreen) in AMIBIOS® Setup to enable the onboard IDE controller.
Chapter 1 Hardware Installation 25 Step 9 Connect I/O, Continued Attach IDE Cable to JP7 JP7 is the primary IDE (Integrated Drive Electronics) hard disk drive connector. Both the primary master and the primary slave IDE drives must be connected by cable to JP7, as shown below.
MegaDual PCI Motherboard User’s Guide 26 Step 9 Connect I/O, Continued Ultra DMA 4/ATA66 Drives on the Primary Channel AMI MegaDual ships with two 80-pin IDE cables. Although the cable is 80-pin, the connectors are still 40-pin. 80-pin cables are required to support UDMA-4/ATA66 IDE drives.
Chapter 1 Hardware Installation 27 Step 9 Connect I/O, Continued JP7 Pinout JP7 is the primary IDE connector. The JP7 pinout is: Pin Use Pin Use 1 -RESET 2 GND 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA5 .
MegaDual PCI Motherboard User’s Guide 28 Step 9 Connect I/O, Continued JP8 Secondary IDE Controller JP8, 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.
Chapter 1 Hardware Installation 29 Step 9 Connect I/O, Continued JP8 Pinout JP8 is the secondary IDE connector. The JP8 pinout is: Pin Use Pin Use 1 -RESET 2 GND 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA.
MegaDual PCI Motherboard User’s Guide 30 Step 9 Connect I/O, Continued J10 Pinout J10 is the 20-pin connector specifically for AMI’s MegaRAC PCI adapter , which is a PCI remote assistant card.
Chapter 1 Hardware Installation 31 Step 10 Set Options on the QLogic Menu Overview The setup utility for the QLogic adapter, Fast !UTIL Version 1.1, contains the configuration options that you can choose for the adapter. There are several items that that can be configured, such as the adapter, the SCSI device, and the SCSI bus.
MegaDual PCI Motherboard User’s Guide 32 Step 10 Set Options on the QLogic Menu, Continued Fast! UTIL Options Screen The selected adapter displays on the main menu screen, along with the I/O address, and Fast! UTIL options. The following pages take you through the options, beginning with Configuration Settings.
Chapter 1 Hardware Installation 33 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen This screen displays the list of configuration settings. You can select each item from the list to access a submenu and choose the options for that item.
MegaDual PCI Motherboard User’s Guide 34 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… This screen displays the list of host adapter settings. The system provides the BIOS address, BIOS revision number, and interrupt level.
Chapter 1 Hardware Installation 35 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The Host Adapter Setting subscreen displays the list of host adapter settings. The system provides the BIOS address, BIOS revision number, and interrupt level.
MegaDual PCI Motherboard User’s Guide 36 Note: The driver that you load must support this setting. If it does not, the result will be the same as Disabled . >4 Gbyte Addressing The settings are Enabled or Disabled . Fast Command Posting Set this to Enabled to maximize bus transfer performance .
Chapter 1 Hardware Installation 37 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The second item on the Configuration Settings screen is SCSI Device Settings. Select SCSI Device Settings and press <Enter>.
MegaDual PCI Motherboard User’s Guide 38 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The third item on the Configuration Settings screen is SCSI Bus Settings. Select SCSI Bus Settings and press <Enter>.
Chapter 1 Hardware Installation 39 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The settings for the SCSI bus items are: Item Settings SCSI Bus SCSI ID The settings are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, or 15 .
MegaDual PCI Motherboard User’s Guide 40 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The fourth item on the Configuration Settings screen is Autoconfigure SCSI Devices. Select Autoconfigure SCSI Devices and press <Enter>.
Chapter 1 Hardware Installation 41 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The fifth item on the Configuration Settings screen is Selectable Boot Settings. Select Selectable Boot Settings and press <Enter>.
MegaDual PCI Motherboard User’s Guide 42 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The settings for the selectable boot items are: Item Settings Selectable SCSI Boot Use this to select the SCSI ID from which you want to boot.
Chapter 1 Hardware Installation 43 Step 10 Set Options on the QLogic Menu, Continued Configuration Settings Screen, cont’d… The last item on the Configuration Settings screen is Raw NVRAM Data (Non-Volatile Random Access Memory.) The Raw NVRAM Data subscreen displays the NVRAM data and byte offset in hexidecimal format.
MegaDual PCI Motherboard User’s Guide 44 Step 10 Set Options on the QLogic Menu, Continued Scan SCSI Bus Screen You can use the Scan SCSI Bus screen to access the following information for the selec.
Chapter 1 Hardware Installation 45 Step 10 Set Options on the QLogic Menu, Continued Scan Disk Utility Screen You can use the Scan Disk Utility screen to perform a low-level format or verify the disk media for a disk device.
MegaDual PCI Motherboard User’s Guide 46 Step 10 Set Options on the QLogic Menu, Continued Select Host Adapter Screen You can use the Select Host Adapter screen to view the adapter type and I/O address for the host adapter. On the Fast! UTIL Options screen, select the fourth option, Select Host Adapter, and press <Enter>.
Chapter 1 Hardware Installation 47 Step 10 Set Options on the QLogic Menu, Continued Exit Fast! UTIL Screen You can use the Exit Fast! UTIL screen to exit the QLogic menu. On the Fast! UTIL Options screen, select the fifth option, Exit Fast! UTIL, and press <Enter>.
MegaDual PCI Motherboard User’s Guide 48 Step 11 Connect SCSI I/O SCSI Connectors J15 (SCSI channel 1 ) and J16 (SCSI channel 2 ) are 68-pin high density (Wide) SCSI connectors. High Density SCSI Connectors The 68-pin high density connectors are 0.050” pitch unshielded connectors.
Chapter 1 Hardware Installation 49 Step 11 Connect SCSI I/O, Continued High-Density 68-Pin SCSI Connector Pinout Signal Connector Pin Cable Pin Cable Pin Connector Pin Signal Ground Data 12 1 1 2 35 -.
MegaDual PCI Motherboard User’s Guide 50 Step 11 Connect SCSI I/O, Continued Single-Ended Ultra SCSI Understanding the cable requirements, termination and stub lengths is key to the successful implementation of a Ultra-SCSI subsystem.
Chapter 1 Hardware Installation 51 Step 11 Connect SCSI I/O, Continued SCSI Termination The SCSI channels on the MegaDual motherboard use active termination for each SCSI channel.
MegaDual PCI Motherboard User’s Guide 52 Step 11 Connect SCSI I/O, Continued SCSI Termination Possibilities SCSI terminator enabled SCSI devices ( termination disabled on both) Setup using one conne.
Chapter 1 Hardware Installation 53 Step 12 Install Drivers The following drivers are provided with the MegaDual motherboard: • one CD containing the American Megatrends ASM server management software • one CD with SCSI drivers Installing SCSI Drivers The SCSI driver installation process is operating system-dependent.
MegaDual PCI Motherboard User’s Guide 54 Step 13 Test and Configure Review the following points before powering up: • make sure that all adapter cards are seated properly, • make sure all connec.
Chapter 2 AMIBIOS Setup 55 2 AMIBIOS Setup In ISA and EISA computers, the system parameters (such as amount of memory, type of disk drives and video displays, and many other elements) are stored in CMOS RAM. Unlike the DRAM (dynamic random access memory) that is used for standard system memory, CMOS RAM requires very little power.
MegaDual PCI Motherboard User’s Guide 56 AMIBIOS Setup Menu The AMIBIOS Setup main menu appears as shown below. Each menu item is described in this chapter. BIOS SETUP UTILITY Main Advanced Chipset PCIPnP Power Boot Security Exit System Board : MegaDUAL Version : Rev D Series : 798 AMIBIOS Version : 07.
Chapter 2 AMIBIOS Setup 57 Section 1 Main Setup Choose Main CMOS Setup from the AMIBIOS Setup Utility main menu. All Main Setup options are described in this section.
MegaDual PCI Motherboard User’s Guide 58 Section 2 Advanced CMOS Setup Choose Advanced CMOS Setup from the AMIBIOS Setup Utility main menu. Select one of the items in the left frame of the screen, such as Standard Boot Settings, to go to the sub screen for that item.
Chapter 2 AMIBIOS Setup 59 Advanced CMOS Setup, Continued STANDARD BOOT SETTINGS SCREEN Standard Boot Settings You can use this screen to select options for the Standard Boot Settings. Use the up and down arrow keys to select an item, and the plus (+) and minus (-) keys to change the option setting.
MegaDual PCI Motherboard User’s Guide 60 Advanced CMOS Setup, Continued Boot with Minimum Memory Set this option to Enabled to boot with the minimum amount of memory. The actual amount of memory enabled depends on the type and number of DIMMs populated.
Chapter 2 AMIBIOS Setup 61 Advanced CMOS Setup, Continued PS/2 Mouse Support Set this option to Enabled to enable AMIBIOS support for a PS/2-type mouse . The settings are Enabled or Disabled. The Optimal and Fail-Safe default settings are Enabled. BootUp Num-Lock Set this option to On to turn the Num Lock key On at system boot.
MegaDual PCI Motherboard User’s Guide 62 Advanced CMOS Setup, Continued PORT CONFIGURATION SCREEN Port Configuration Settings You can use this screen to select options for the Port Configuration Settings. Use the up and down arrow keys to select an item, and the plus (+) and minus (-) keys to change the option setting.
Chapter 2 AMIBIOS Setup 63 Advanced CMOS Setup, Continued Onboard Serial Port2 This option specifies the base I/O port address of serial port 2. The settings are Disabled, 3F8, 3E8, or 2 E8. The Optimal setting is 2F8 . The Fail-Safe setting is Disabled.
MegaDual PCI Motherboard User’s Guide 64 Advanced CMOS Setup, Continued FLOPPY CONFIGURATION SCREEN Floppy Configuration Settings You can use this screen to select options for the Floppy Configuration Settings. Use the up and down arrow keys to select an item, and the plus (+) and minus (-) keys to change the option setting.
Chapter 2 AMIBIOS Setup 65 Advanced CMOS Setup, Continued Floppy Drive A: and B : Move the cursor to these fields via ↑ and ↓ and select the floppy type. The settings are Disabled, 360 KB 5¼ inch , 1.2 MB 5¼ inch , 720 KB 3½ inch , 1.44 MB 3½ inch or 2.
MegaDual PCI Motherboard User’s Guide 66 Advanced CMOS Setup, Continued IDE CONFIGURATION SCREEN IDE Configuration Settings You can use this screen to select options for the IDE Configuration Settings. Use the up and down arrow keys to select an item, and the plus (+) and minus (-) keys to change the option setting.
Chapter 2 AMIBIOS Setup 67 Advanced CMOS Setup, Continued IDE BusMaster Set this option to Enabled to allow the IDE controller to work in busmastering mode. If you disable this option, the IDE controller will work in PIO mode. When IDE busmaster is enabled, the IDE busmastering drivers must used for the operating systems.
MegaDual PCI Motherboard User’s Guide 68 Advanced CMOS Setup, Continued PRIMARY AND SECONDARY IDE MASTER AND SLAVE SUB SCREEN Primary and Secondary IDE Master and Slave Settings From the IDE Configuration screen, press <Enter> to access the sub screen for the primary and secondary IDE master and slave drives.
Chapter 2 AMIBIOS Setup 69 Advanced CMOS Setup, Continued Drive Parameters The first list in the left frame is for the drive parameters. The drive parameters are: Parameter Description Device Type of device, such as Hard Disk. Vendor Manufacturer of the device.
MegaDual PCI Motherboard User’s Guide 70 Advanced CMOS Setup, Continued Block (Multi-Sector Transfer) Mode Set this option to Auto to allow block mode data transfers. The settings are Disabled, or Auto . The Optimal and Fail-Safe default settings are Auto.
Chapter 2 AMIBIOS Setup 71 Advanced CMOS Setup, Continued EVENT LOG CONFIGURATION Event Log Configuration Settings You can use this screen to select options for the Event Log Configuration Settings. You can access sub screens to view the event log and mark all events as read.
MegaDual PCI Motherboard User’s Guide 72 Advanced CMOS Setup, Continued VIEW EVENT LOG SCREEN View Event Log Screen You can use this screen to view the event log.
Chapter 2 AMIBIOS Setup 73 Advanced CMOS Setup, Continued SYSTEM HEALTH MONITORING HARDWARE System Health Monitoring Hardware Configuration Settings You can use this screen to select options for the System Health Monitoring Hardware Configuration Settings.
MegaDual PCI Motherboard User’s Guide 74 Advanced CMOS Setup, Continued TEMPERATURE MONITORING TEMPERATURE MONITORING You can use this screen to monitor the CPU temperature. To access this screen, select the desired CPU on the System Health Monitoring screen and press <Enter>.
Chapter 2 AMIBIOS Setup 75 Advanced CMOS Setup, Continued VOLTAGE MONITORING VOLTAGE MONITORING You can use this screen to monitor the voltage of the CPU, VCC, and board. To access this screen, select a voltage item on the System Health Monitoring screen and press <Enter>.
MegaDual PCI Motherboard User’s Guide 76 Advanced CMOS Setup, Continued FAN SPEED MONITORING FAN SPEED MONITORING You can use this screen to monitor the fan speed for the CPU and chassis. To access this screen, select the CPU or chassis fan speed item on the System Health Monitoring screen and press <Enter>.
Chapter 2 AMIBIOS Setup 77 Section 3 Chipset Setup Choose Chipset Setup from the AMIBIOS Setup Utility main menu. The screen is shown below. All Chipset Setup options are described following the screen.
MegaDual PCI Motherboard User’s Guide 78 Chipset Setup, Continued Watch Dog Timer Set this option to Enabled to use the MegaDual Watch Dog Timer. If the system locks up, this timer will reset it. System lock is assumed if there is no PCI bus cycle for about 1.
Chapter 2 AMIBIOS Setup 79 Section 4 PCI/PnP Setup Choose PCI/PnP Setup from the AMIBIOS Setup main menu. All PCI/PnP Setup options are described in this section.
MegaDual PCI Motherboard User’s Guide 80 PCI/PnP Setup, Continued Allocate IRQ to VGA Set this option to Yes to allocate an IRQ to a VGA adapter card that uses the PCI local bus. The settings are Yes or No. The Optimal and Fail-Safe default settings are Yes.
Chapter 2 AMIBIOS Setup 81 PCI/PnP Setup, Continued PCI LATENCY TIMERS PCI LATENCY TIMERS You can use this screen to specify the latency timings (in PCI clocks) for PCI devices installed in the expansion slots. To access this screen, select PCI Latency Timers on the PCP/PnP Setup screen and press <Enter>.
MegaDual PCI Motherboard User’s Guide 82 PCI/PnP Setup, Continued Onboard USB Latency Time This option specifies the latency timings (in PCI clocks) for the onboard USB. The settings are 32, 64, 96, 128, 160, 192, 224, or 248 . The Optimal and Fail-Safe default settings are 64.
Chapter 2 AMIBIOS Setup 83 Section 5 Power Management Setup Choose Power Management Setup from the AMIBIOS Setup main menu. All Power Management Setup options are described in this section.
MegaDual PCI Motherboard User’s Guide 84 Power Management Power Button Mode This option specifies how the power button mounted externally on the computer chassis is used. The settings are: Setting Description On/Off Pushing the power button turns the computer on or off.
Chapter 2 AMIBIOS Setup 85 Power Management, Continued Hard Disk Time Out (Minute) This option specifies the length of a period of hard disk drive inactivity. When this length of time expires, the computer enters power-conserving state specified in the Hard Disk Power Down Mode option.
MegaDual PCI Motherboard User’s Guide 86 Power Management, Continued Manual Throttle Ratio In power management state, BIOS can throttle the CPU clock to reduce power consumption. For example, a throttle ratio of 50% means the clock is turned off 50% of the time.
Chapter 2 AMIBIOS Setup 87 Section 6 Boot Setup Choose Boot Setup from the AMIBIOS Setup main menu. All Boot Setup options are described in this section.
MegaDual PCI Motherboard User’s Guide 88 Boot Setup, Continued BOOT DEVICE PRIORITY Boot Device Priority You can use this screen to specify the order in the system checks for the device to boot from. To access this screen, select Boot Device Priority on the Boot Setup screen and press <Enter>.
Chapter 2 AMIBIOS Setup 89 Boot Setup, Continued HARD DISK DRIVES Hard Disk Drives You can use this screen to view the hard disk drives in the system. To access this screen, select Hard Disk Drives on the Boot Setup screen and press <Enter>.
MegaDual PCI Motherboard User’s Guide 90 Boot Setup, Continued REMOVABLE DEVICES Removable Devices You can use this screen to view the removable drives in the system. To access this screen, select Removable Devices on the Boot Setup screen and press <Enter>.
Chapter 2 AMIBIOS Setup 91 Section 7 Security Setup AMIBIOS Password Support Two Levels of Password Protection AMIBIOS provides both a Supervisor and a User password.
MegaDual PCI Motherboard User’s Guide 92 Security Setup Choose Security Setup from the AMIBIOS Setup main menu. All Security Setup options, such as password protection and virus protection, are described in this section.
Chapter 2 AMIBIOS Setup 93 Security Setup, Continued Change Supervisor Password Select this option and press <Enter> to access the sub screen. You can use the sub screen to change the supervisor password. Change User Password Select this option and press <Enter> to access the sub screen.
MegaDual PCI Motherboard User’s Guide 94 Security Setup, Continued CHANGE SUPERVISOR PASSWORD Change Supervisor Password Select Change Supervisor Password from the Security Setup menu and press <Enter>. Enter New Password: appears. Type the password and press <Enter>.
Chapter 2 AMIBIOS Setup 95 Section 8 Exit Menu Choose Exit from the AMIBIOS Setup main menu. All Exit options display. Click on the desired option and press <Enter>.
MegaDual PCI Motherboard User’s Guide 96 Exit Menu, Continued Load Optimal Defaults AMIBIOS automatically sets all AMIBIOS Setup options to a complete set of default settings when you choose this option. The Optimal settings are designed for maximum system performance, but may not work best for all computer applications.
Chapter 3 Programming the Flash ROM 97 3 Programming Flash ROM All versions of the MegaDual PCI motherboard use Flash EPROM to store the system BIOS. The advantage of Flash EPROM is the EPROM chip does not have to be replaced to update the BIOS. The end user can actually reprogram the BIOS, using a ROM file supplied by American Megatrends.
MegaDual PCI Motherboard User’s Guide 98 Programming the Flash ROM, Continued Bootblock Actions When you reprogram from system boot, the bootblock code: Step Action 1 Reads S798P.ROM from the root directory of the floppy disk in drive A :. 2 Erases the Flash EPROM.
Chapter 3 Programming the Flash ROM 99 Programming the Flash ROM, Continued Beep Codes The bootblock code produces a series of beeps during Flash ROM programming to: signify completion of a step (as shown on the previous page), or to signal an error.
MegaDual PCI Motherboard User’s Guide 100 Programming the Flash ROM, Continued B) Programming the Flash EPROM Using the AMIFlash Utility AMIFlash utility runs in DOS only. The main menu screen is shown below. You are prompted to save or delete the existing BIOS.
Chapter 3 Programming the Flash ROM 101 Programming the Flash ROM, Continued B) Programming the Flash EPROM Using the AMIFlash Utility, cont’d Enter the filename, s798p.rom, that you want to save the existing BIOS to and press <Enter>. Enter the BIOS filename from which the Flash ROM will be programmed and press <Enter>.
MegaDual PCI Motherboard User’s Guide 102 Programming the Flash ROM, Continued B) Programming the Flash EPROM Using the AMIFlash Utility, cont’d To enable this program to update bootblock code, make sure that a jumper is installed on JP5 before the system is turned on.
Chapter 3 Programming the Flash ROM 103 Bootblock Code Checkpoint Codes Code Description E0h Verify the Boot Block BIOS checksum. Disable the internal cache, DMA, and interrupt controllers. Initialize the system timer. Start memory refresh. E1h Initialize the chipset registers.
MegaDual PCI Motherboard User’s Guide 104.
Chapter 4 Deleting a Password 105 4 Deleting a Password If you forget the passwords you set up through AMIBIOS Setup, the only way you can restart the computer is to erase the system configuration information where the passwords are stored. System configuration data is stored in CMOS RAM, a type of memory that consumes very little power.
MegaDual PCI Motherboard User’s Guide 106.
Appendix A Specifications 107 A Specifications Engineering Specifications Temperature Ranges The following values are ambient temperatures inside the computer case. The board temperatures reflect the dual Pentium II/Pentium III CPU heat dissipation requirements because they will be the hottest motherboard components.
MegaDual PCI Motherboard User’s Guide 108.
Appendix B Cable Information 109 B Cable Informatio n The following table contains cable manufacturer and part number information for IDE, SCSI, floppy, parallel ports, serial ports, LAN, and MegaRAC.
MegaDual PCI Motherboard User’s Guide 110.
Index 111 Index 1 1 st Boot Device, 71 A ACPI Aware O/S, 83 Active termination, 51 Advanced Chipset Setup, 77 Advanced CMOS Setup, 58 AGP Multi-Trans Timer (AGP Clocks), 78 Allocate IRQ to PCI VGA, 80.
MegaDual PCI Motherboard User’s Guide 112 I IDE cable, 109 IDE Hard Disk Connector, 25 Install Memory , 9 Install the Motherboard, 11 Install Voltage Regulator, 6 J J1 Keyboard Connector, 16 J1 PS/2.
Index 113 Q Quick Boot, 59 R Reset Switch Connector, 17 Resource conflicts, 19 S S.M.A.R.T. for Hard Disks, 70 S798P.ROM, 98 S798P.ROM file , 97 SCSI cable, 109 SCSI Cable Considerations, 50 SCSI Cabl.
114 MegaDual PCI Motherboard User’s Guide.
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