American Megatrends MAN-772 manual Chipset Setup

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Chipset Setup

The AMIBIOS Setup options described in this section are selected by choosing the Chipset Setup icon from the Setup section on the WINBIOS Setup main menu.

USB Function Set this option to Enabled to enable the system BIOS USB (Universal Serial Bus) functions. The settings are Enabled or Disabled. The Optimal and Fail- Safe default settings are Enabled.

USB Keyboard/Mouse Legacy Support Set this option to Enabled to enable USB support for legacy keyboards and mice. The settings are Enabled or Disabled. The Optimal and Fail-Safe default settings are Enabled.

ISA 8 Bit I/O Recovery Time This option specifies the length of the delay that is added to the CPU cycle between consecutive 8-bit I/O operations. The length of the delay is related to the CPU type and frequency. The settings are 1 Sysclock, 2 Sysclocks, 3 Sysclocks, 4 Sysclocks, 5 Sysclocks, 6 Sysclocks, 8 Sysclocks, or Disabled. The Optimal and Fail-Safe default settings are Disabled.

ISA 16 Bit I/O Recovery This option specifies the length of the delay that is added to the CPU cycle between consecutive 16-bit I/O operations. The length of the delay is related to the CPU type and frequency. The settings are 1 Sysclock, 2 Sysclocks, 3 Sysclocks, 4 Sysclocks, or Disabled. The Optimal and Fail-Safe default settings are Disabled.

52Apollo IV PCI Pentium ISA Motherboard User’s Guide

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Contents Apollo IV Pentium PCI ISA MotherboardGuide Ii Apollo IV PCI Pentium ISA Motherboard User’s Guide Technical Support Phone Number CharacteristicsPreface Packing List Static ElectricityOverview CPU Manufacturer Supported CPU SpeedsChipset Type of System Supported System Memory Socket Overview Fast ATA Ultra DMA/33Floppy Parallel PortMouse CPU External Clock Frequency PCI Expansion Slot FrequencyDMI InfraredApollo IV Dimensions Motherboard Height RestrictionsInstallation Steps Step ActionApollo IV Motherboard Layout Unpack the Motherboard Step ActionPWR1 Setting Description Set JumpersAvoid Static Electricity Flash ROM TypeConfigure CPU ExternalFor P54C P55CSummary of Jumper Setting for Intel Pentium CPUs P54CSummary of Jumper Setting for AMD K5 and K6 CPUs Value Description AMD-K6 Step Action Install Memory Supported System Memory ConfigurationsType of System Memory Supported System Memory Socket Total SystemMemory Display Install the Motherboard Should supply these partsInstall Motherboard Connector Attach CablesAttach Cables Power Connector Pinout Pin DescriptionMotherboard PinPin Description Pins 12 13 14 Connector Signal DescriptionsPin Description Signal Description Connect Onboard I/OPin Signal Description SLCTIN#Attach Floppy Drive Pin Use Floppy Connector PinoutTwist in Floppy Cable Attach IDE Drive Attach IDE Drive Primary Pinout The Primary IDE pinout is Secondary IDE Pinout The Secondary pinout is Test and Configure Page Winbios Setup Keystroke Action Using a Mouse with Winbios SetupUsing the Keyboard with Winbios Setup Winbios Setup Menu Standard Setup Drive Type How to ConfigureParameter Description Hard Disk Drive Types 65535 1223 152 MBAdvanced Setup Setting DescriptionAdvanced Setup Type of Armd Device Drive Emulation Configured Advanced Setup Disabled Chipset Setup Power Management Setup Power Management Setup Snoop Bit Action PCI/PnP SetupCont’d Option Optimal Default Fail-Safe Default DMA ChannelPeripheral Setup Primary PrefetchIDE Secondary IRQ options Offboard PCI IDE Primary IRQPeripheral Setup Setting Description EPP VersionAmibios Password Support SecuritySetting a Password Changing a PasswordAnti-Virus Utility Fail-Safe OriginalOptimal Programming the Flash ROM Programming the Flash EpromProgramming the Flash ROM Step Expected behaviorNumber of Beeps Description Bootblock Code Checkpoint Codes Code Description