American Megatrends MAN-759 manual Attach Cables

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Step 9 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 voltages and must be set (usually via a switch) to the proper range. Use at least a 400 watt power supply, which should have built-in filters to suppress radiated emissions.

Connect Power Cables Attach the power supply cables to the power connector (P1 and P2) on the motherboard. AT-compatible power supplies have two six-pin connectors, attached as shown below. The six-pin connector on the power cable with three red wires and two black wires is attached to P1. The other connector on the end of the power cable is attached to P2.

Cont’d

Chapter 1 Hardware Installation

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Contents Pegasus Pentium PCI ISA Motherboard Revision History Preface Packing List Phone Number CharacteristicsAmerican Megatrends BBS CPU External Clock Frequency PCI Expansion Slot Frequency OverviewCPUs Pegasus PCI Dimensions Pegasus PCI Motherboard Layout Step Action Unpack the MotherboardAvoid Static Electricity J16 J17 J18 J19 J21 J22 Configure CPU SpeedJ12 Configure CPU VoltageCore CPU Voltage J5 and J15 Setting Manufacturer Part Number AMI Part Number Install Voltage RegulatorConnect CPU Fan Install Memory Install CPUType Manufacturer Part Number Parameter SpecificationSimm Part Numbers Install the Motherboard Attach Cables ConnectorAttach Cables Pin Description P2 PinoutP1 Pinout P3 Pinout Cmos Drain J29 SettingP14 Pinout Pin Assignments Pin Ground Keyboard Lock Kbdinh VCC Connect I/O Pin Signal DescriptionSTROBE# Connect I/O Pin Use J4 Floppy Connector PinoutTwist in Floppy Cable Connect I/O Connect I/O KEY N/C REQ Pegasus drivers include Install DriversTest and Configure Hardware Installation Page Winbios Setup Keystroke Action Using a Mouse with Winbios SetupUsing the Keyboard with Winbios Setup Winbios Setup Windows See Section Winbios Setup MenuStandard Setup SetupScsi Drive Type How to ConfigureParameter Description 152 MB Hard Disk Drive TypesAdvanced Setup Optional option ROM messages are not displayed Setting DescriptionAny optional option ROM messages are displayed Advanced Setup Optimal and Fail-Safe default settings are Disabled Cont’d Advanced Setup Disabled Optimal and Fail-Safe default settings are Disabled Chipset Setup Power Management APM to Enabled and set the power Advanced Power Management APM option toChipset Setup Chipset Setup Power Management Setup Power Management Setup Power Management Setup IRQ3 IRQ4 IRQ5 IRQ7 IRQ9 IRQ10 IRQ11 IRQ12 IRQ15 VGA Palette Action PCI/PnP SetupPCI/PnP Setup IRQ3 IRQ4 IRQ5 IRQ7 IRQ9 IRQ10 IRQ11 IRQ12 IRQ14 IRQ15 DMA Channel Peripheral Setup Offboard PCI IDE Primary IRQ Peripheral Setup Peripheral Setup EPP Security Amibios Password SupportSetting a Password Anti-Virus Changing a PasswordUtility Fail-Safe OriginalOptimal Programming the Flash Eprom Programming Flash ROMProgramming the Flash ROM Number Description Code Description Bootblock Code Checkpoint CodesDeleting a Password Avoid Static Electricity Component Engineering SpecificationsFrequency Heat Airflow Temperatur Sink Over CPU Over other