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American Megatrends MegaDual - page 1
MegaDual Pentium II ® /Pentium III ® PCI Motherboard User's Guide MAN-798 3/15/00 ...
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American Megatrends MegaDual - page 2
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. No part of this publication may be reproduced, transcribed, stored in a retrieval system, ...
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American Megatrends MegaDual - page 3
Preface iii Table of Contents 1 Hardware Installation .................................. 1 Overview ..................................................................................... 1 MegaDual PCI Motherboard Layout ..................................... 3 Step 1 Unpack the Motherboard ............................................ 4 Avoid Static ...
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American Megatrends MegaDual - page 4
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. It is assumed that you have also licensed the rights to use the American Megatrends document ...
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American Megatrends MegaDual - page 5
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. Please be prepared to specify the serial number of the product. This AMI pro ...
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American Megatrends MegaDual - page 6
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. Please refer to the A ...
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American Megatrends MegaDual - page 7
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 for all Pentium II/Pentium III frequencies • up to 4 GB of onboard ECC SDRAM system memory • system memory parity checking or ECC (Error Checking a ...
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American Megatrends MegaDual - page 8
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 Frequency PCI Expansion Slot Frequency 100 MHz 33 MHz for 32-bit, 66 MHz for 64-bit 133 MHz 33 MHz for 32-bit, 66 MHz for 64-bit Onboard I/O The MegaDual mot ...
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American Megatrends MegaDual - page 9
Chapter 1 Hardware Installation 3 MegaDual PCI Motherboard Layout ...
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American Megatrends MegaDual - page 10
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. Wear an anti -static wristband grounded at ...
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American Megatrends MegaDual - page 11
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. Please contact American Megatrends technical support at 770-246-8600 to support a ...
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American Megatrends MegaDual - page 12
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. Caution Do not power up the MegaDual board if there is a CPU ins ...
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American Megatrends MegaDual - page 13
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. All Pentium II/Pentium III CPUs are shipped with a heat sink ...
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American Megatrends MegaDual - page 14
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. You must follow the procedures in this section exactly as documented. Make sure you wear an an ...
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American Megatrends MegaDual - page 15
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. Bank1 contains U18 and U20. The minimum amount of system memory supported by the Me ...
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American Megatrends MegaDual - page 16
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. When properly inserted, the DIMM clicks into place as the latching pins engage. The DIMM install ...
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American Megatrends MegaDual - page 17
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. Ground the other end of the lead at the same point as the mat and the wri ...
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American Megatrends MegaDual - page 18
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. A list of all connectors follows: Connector turn to CPU0 fan JP13 page 7 CPU1 fan JP14 page 7 External battery connec ...
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American Megatrends MegaDual - page 19
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. There may be more than one c ...
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American Megatrends MegaDual - page 20
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. Power supplies often can run on a wide range of v ...
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American Megatrends MegaDual - page 21
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. Before you change JP3 from the default setting (1-2), turn off the power supply using the mechanical switch (not the soft-off power ...
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American Megatrends MegaDual - page 22
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. The pinout is shown below. Pin Assignments 1 Keyboard d ...
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American Megatrends MegaDual - page 23
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. Note: Before changing the jumper setting for JP16, ...
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American Megatrends MegaDual - page 24
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. J2A, the USB connector, is on bottom. J2B, the RJ45 connector, is on top. The pinout for the USB port is: Pin Signal Description 1 VCC 2 Data+ 3 Data– 4 Ground JP2 Power-on Switch JP2 is a t ...
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American Megatrends MegaDual - page 25
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 connectors (J15 and J16), • an IDE controller on the PCI bus (the primary IDE connector is JP7 and the secondary IDE connector is JP8), and • one fl ...
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American Megatrends MegaDual - page 26
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. The J3A pinout is shown below. The parallel port interface supports: • ...
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American Megatrends MegaDual - page 27
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. The serial port base I/O port address and other serial port settings can be configured through the Advanced menu (Port Configuration subscreen) in AMIBIOS® Setu ...
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American Megatrends MegaDual - page 28
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. Choose the Advanced menu (Floppy Configuration subs ...
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American Megatrends MegaDual - page 29
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 -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 3 ...
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American Megatrends MegaDual - page 30
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. Cont’d ...
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American Megatrends MegaDual - page 31
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. JP7 is a 40-pin dual-inline berg that connects an IDE drive to the prima ...
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American Megatrends MegaDual - page 32
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. AMIBIOS automatically detects the cable type and drive t ...
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American Megatrends MegaDual - page 33
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 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 KEY (N/C) 21 -REQ 22 GND 23 -IOW 24 G ...
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American Megatrends MegaDual - page 34
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. Attach the secondary master and slave IDE drives to JP8 via a standard 40-pin IDE cable ...
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American Megatrends MegaDual - page 35
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 DATA5 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 KEY (N/C) 21 -REQ 22 GND 23 -IOW 24 ...
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American Megatrends MegaDual - page 36
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. Pin Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MEGSMI# I2CSCLK_LM RAC_PRESENT GROUND PWRBTN# I2CSDA_LM No connection No connection No ...
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American Megatrends MegaDual - page 37
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. This section display ...
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American Megatrends MegaDual - page 38
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. The options to be selected are high ...
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American Megatrends MegaDual - page 39
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. Select Host Adapter Settings to set the configuration for the host adapter and pr ...
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American Megatrends MegaDual - page 40
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. You can select the options for the other items, beginning at Host Adapter BIO ...
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American Megatrends MegaDual - page 41
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. You can select the options for the other items, beginning at H ...
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American Megatrends MegaDual - page 42
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 .The settings are Enabled or Disabled . The default ...
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American Megatrends MegaDual - page 43
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>. A window displays, allowing you to select the SCSI device settings for SCSI Bus 0 or SCSI B ...
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American Megatrends MegaDual - page 44
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>. A window displays, allowing you to select the SCSI bus settings for SCSI Bus 0 or SCSI Bus ...
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American Megatrends MegaDual - page 45
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 . The default setting is 7 . SCSI Bus Reset Set this to Enabled to reset the ...
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American Megatrends MegaDual - page 46
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>. A window displays, allowing you to select the Autoconfigure settings fo ...
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American Megatrends MegaDual - page 47
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>. The Selectable Boot Settings subscreen is shown below. Use the arrow keys and press ...
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American Megatrends MegaDual - page 48
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. The system boots from the selected SCSI drive. This option applies to d ...
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American Megatrends MegaDual - page 49
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. This information is for ...
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American Megatrends MegaDual - page 50
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 selected SCSI device: • ID • Vendor name • Product name • Revision On the Fast! UTIL Options screen, select the second option, Scan SCSI Bus, and p ...
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American Megatrends MegaDual - page 51
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. The following information for the selected SCSI bus displays: • ID • Vendor • Product • Revision On the Fast! UTIL Op ...
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American Megatrends MegaDual - page 52
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>. The following scre ...
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American Megatrends MegaDual - page 53
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>. The following screen displays. You can reboot the system to activate the chan ...
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American Megatrends MegaDual - page 54
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. The high-density connector pinouts are shown below: These connec ...
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American Megatrends MegaDual - page 55
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 - DB(12) Ground Data 13 2 3 4 36 - DB(13) Data 14 3 5 6 37 - DB(14) Data 15 4 7 8 38 - DB(15) SCOP1 5 9 10 39 - DB(P1) Data 0 6 11 12 40 - DB(0) Data 1 ...
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American Megatrends MegaDual - page 56
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. SCSI Cables - Up to Four Devices The total external SCSI cable length for single-ended when using up to 4 Ultra-S ...
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American Megatrends MegaDual - page 57
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. You must terminate the SCSI bus properly. The SCSI bus on each SCSI channel is an electrical transmission line and it must be terminated properly at both ends to minimize ...
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American Megatrends MegaDual - page 58
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 connector for one channel Setup using two connectors for one channel SCSI devices ( termination disabled on both) SCSI devices ( termination disabled on bo ...
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American Megatrends MegaDual - page 59
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. See the user documentation ...
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American Megatrends MegaDual - page 60
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 connectors are properly installed, • make sure the CPU is seated properly, • make sure there are no screws or other foreign material on the motherboard, ...
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American Megatrends MegaDual - page 61
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. When the computer ...
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American Megatrends MegaDual - page 62
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 : 07.00xx BIOS Release Date : xx/xx/xx BIOS Filen ...
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American Megatrends MegaDual - page 63
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. The Main CMOS Setup screen is shown below. BIOS SETUP UTILITY Main Advanced Chipset PCIPnP Power Boot Security Exit System Board : MegaDUAL Version : Rev B Series : 798 AMIBIOS Versio ...
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American Megatrends MegaDual - page 64
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. Advanced CMOS Setup options are displayed by highlighting the option using the a ...
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American Megatrends MegaDual - page 65
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. The settings are described on the following pages ...
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American Megatrends MegaDual - page 66
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. This is useful when the system is configured with 2 GB or more of memory and requires frequent ...
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American Megatrends MegaDual - page 67
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. The settings are On ...
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American Megatrends MegaDual - page 68
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. The settings are described ...
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American Megatrends MegaDual - page 69
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. Onboard Serial Port2 IRQ This option specifies the IRQ used by serial port 2. The settings are ...
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American Megatrends MegaDual - page 70
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. The settings are desc ...
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American Megatrends MegaDual - page 71
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 2.88 MB 3½ inch. The Optimal setting for floppy drive A: is 1.44 MB 3½. The Failsafe sett ...
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American Megatrends MegaDual - page 72
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. A description of the selected ...
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American Megatrends MegaDual - page 73
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. The settings are Disabled, ...
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American Megatrends MegaDual - page 74
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. Use this screen to select optio ...
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American Megatrends MegaDual - page 75
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. Size The size of the device. LBA Mode LBA (Logical Block Addressing) is a method of addr ...
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American Megatrends MegaDual - page 76
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. PIO Mode Set this option to Auto to allow AMIBIOS to determine the PIO mode. IDE PIO mode p ...
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American Megatrends MegaDual - page 77
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. Use the up and down arrow keys to select an item, and the plus (+) and mi ...
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American Megatrends MegaDual - page 78
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. On the Event Log Configuration screen, select View Event Log and press <Enter>. MARK ALL EVENTS AS READ SCREEN View All Events As Read Screen You can use this screen to mark all e ...
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American Megatrends MegaDual - page 79
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. You can access sub screens to view individual system health items for temperature, voltage, a ...
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American Megatrends MegaDual - page 80
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>. The following screen displays: BIOS SETUP UTILITY Advanced CPU T ...
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American Megatrends MegaDual - page 81
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>. The following screen displays: BIOS SETUP UTILITY Advanced CPU Voltage ...
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American Megatrends MegaDual - page 82
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>. The following screen displays: B ...
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American Megatrends MegaDual - page 83
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. BIOS SETUP UTILITY Main Advanced Chipset PCIPnP Power Boot Security Exit Processor Serial Number Disabled CPU Frequency Ratio 1:2 Watch Dog Timer D ...
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American Megatrends MegaDual - page 84
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 1.2 seconds. This option is useful in cases where the system must always be on. The settin ...
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American Megatrends MegaDual - page 85
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. The PCI/PnP Setup screen is shown below: BIOS SETUP UTILITY Main Advanced Chipset PCIPnP Power Boot Security Exit Plug & Play O/S No Reset Config Data Yes Allocate IRQ to VGA Yes USB ...
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American Megatrends MegaDual - page 86
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. USB Controller This option enables or disables the onboard USB controller. The settings a ...
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American Megatrends MegaDual - page 87
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>. The following screen displays: BIOS S ...
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American Megatrends MegaDual - page 88
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. Onboard LAN Latency Time This option specifies the latency timings (i ...
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American Megatrends MegaDual - page 89
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. BIOS SETUP UTILITY Main Advanced Chipset PCIPnP Power Boot Security Exit ACPI Aware O/S No Power Management/APM Enabled Power Button Mode On/Off Power-Up Mode A ...
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American Megatrends MegaDual - page 90
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. Standby Pushing the power button places the computer in Standby mode Suspend ...
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American Megatrends MegaDual - page 91
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. The settings are Disabled, 1 min. (minute), 2 min, 3 min., 4 mi ...
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American Megatrends MegaDual - page 92
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. The settings are 12.50%, 25%, 37.50%, 50%, 62.50%, 75% , or 87.50% . The Optimal and ...
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American Megatrends MegaDual - page 93
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. Select an item on the Boot Setup screen to access the sub screen for: • Boot Device Priority • Hard Disk Drives • Removable Devices The Boot Setup screen is shown below: BIOS SETUP UTILITY M ...
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American Megatrends MegaDual - page 94
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>. The following screen displays: BIOS SETUP UTILI ...
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American Megatrends MegaDual - page 95
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>. The following screen displays examples of hard disk drives: BIOS SETUP UTILITY Boot 1 st Hard Disk Dri ...
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American Megatrends MegaDual - page 96
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>. The following screen displays examples of removable devices: BIOS SETUP UTILITY Boo ...
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American Megatrends MegaDual - page 97
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. If you use both passwords, the Supervisor 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 AMIBIOS ...
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American Megatrends MegaDual - page 98
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. To access the sub screen for the following items, select the item and press <Enter>: • Change Supervisor Password • C ...
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American Megatrends MegaDual - page 99
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. You can use the sub screen to change the user pas ...
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American Megatrends MegaDual - page 100
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>. The screen does not display the characters entered. Retype the pass ...
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American Megatrends MegaDual - page 101
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>. BIOS SETUP UTILITY Main Advanced Chipset PCIPnP Power Boot Security Exit > Exit Saving Changes > Exit Discarding Changes > Load Optimal Defaults > Load Failsafe Defau ...
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American Megatrends MegaDual - page 102
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. In particular, do not use ...
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American Megatrends MegaDual - page 103
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. This cha ...
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American Megatrends MegaDual - page 104
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. 3 Programs the Flash EPROM with the data read from the floppy disk in drive A :. 4 ...
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American Megatrends MegaDual - page 105
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. Error beeps are arranged in a coded sequence and have different meanings depending on when they occ ...
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American Megatrends MegaDual - page 106
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. Enter Y if you want to save the existing BIOS ROM, or N if you do not. Cont’d ...
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American Megatrends MegaDual - page 107
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>. Cont’d ...
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American Megatrends MegaDual - page 108
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. To do so, perform the following procedure: Step Action 1 Turn the system off ...
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American Megatrends MegaDual - page 109
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. Set the BIOS size to 128K. Make the 512 KB base memory available. E2h T ...
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American Megatrends MegaDual - page 110
MegaDual PCI Motherboard User’s Guide 104 ...
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American Megatrends MegaDual - page 111
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. Erase Old ...
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American Megatrends MegaDual - page 112
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American Megatrends MegaDual - page 113
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. Temperature specifications vary ...
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American Megatrends MegaDual - page 114
MegaDual PCI Motherboard User’s Guide 108 ...
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American Megatrends MegaDual - page 115
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. Manufacturer Part Number IDE cable Y.C. Cable, USA CBL-ATA66 IDE w/o #20 SCSI cable McCALTEK Computer Associates 168-LVD-3M020 (Ultra 2 LVD SCSI 68 w ...
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American Megatrends MegaDual - page 116
MegaDual PCI Motherboard User’s Guide 110 ...
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American Megatrends MegaDual - page 117
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 AMIBIOS Password Support, 91 AMIBIOS Setup, 55 AMIBIOS Setup Menu, 56 AMIFlash Beep Codes, 99 Avoid Static Electricity, 4 B BIOS Password Support, 91 ...
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American Megatrends MegaDual - page 118
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 Mouse Connector, 16 J10 Pinout, 30 J12 Keyboard Lock connector, 17 J15 Wide SCSI channel 1 connector, 48 J16 Wide SCSI channel 2 connector, 48 J2 USB ...
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American Megatrends MegaDual - page 119
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 Cables, 51 SCSI Connectors, 48 SCSI Drivers Installing, 53 SCSI Signal Path, 50 SCSI Termination, 51 SCSI Termination Possibilities, 52 SDRAM DIMM Sockets ...
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American Megatrends MegaDual - page 120
114 MegaDual PCI Motherboard User’s Guide ...
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