ASRock B85iCafe4 manual Acpi Configuration

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4.4.7 ACPI Configuration

English

Suspend to RAM

Select disable for ACPI suspend type S1. It is recommended to select auto for ACPI S3 power saving.

Check Ready Bit

Enable to enter the operating system after S3 only when the hard disk is ready, this is recommended for better system stability.

ACPI HPET Table

Enable the High Precision Event Timer for better performance and to pass WHQL tests.

PS/2 Keyboard Power On

Allow the system to be waked up by a PS/2 Keyboard.

PCI Devices Power On

Allow the system to be waked up by a PCI device and enable wake on LAN.

Ring-In Power On

Allow the system to be waked up by onboard COM port modem Ring-In signals.

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Contents Page Copyright Notice DisclaimerContents Page Package Contents IntroductionSpecifications CPULAN Bios Certifica Unique Features ASRock OMG Online Management Guard ASRock Crashless BiosASRock XFast RAM ASRock Internet FlashASRock Restart to Uefi ASRock Fast BootASRock Interactive Uefi ASRock On/Off Play TechnologyASRock FAN-Tastic Tuning ASRock Easy Driver InstallerMotherboard Layout USB2No. Description I/O Panel Activity / Link LED Status Description Installation Installing the CPU English English Installing the CPU Fan and Heatsink Installing Memory Modules Dimm Dual Channel Memory ConfigurationEnglish Expansion Slots PCI and PCI Express Slots PCI slotsJumpers Setup CLRCMOS1Onboard Headers and Connectors Pwrbtn Power SwitchHeader can support two ports Front Panel Audio Header Pin HDAUDIO1 See p.10, No ATX Power Connector Pin ATXPWR1 See p.10, No Print Port Header Pin LPT1 See p.10, No Drivers Menu Installing DriversRunning The Support CD Utilities MenuUsing A-Tuning TuningInstalling A-Tuning Operation ModeTools XFast RAMOC Tweaker System InfoTech Service Intel Rapid Start Technology System RequirementsSetup Guide Configuring Rapid StartEnglish Using Rapid Start English Intel Smart Connect Technology Installing ASRock Smart Connect Utility Click Apply to enable Smart Connect Using Smart Connect English Start8 Installing Start8Configuring Start8 StyleConfigure ControlDesktop AboutIntroduction Uefi Menu BarNavigation Keys ENDActive Page on Entry Main ScreenUefi Guide Intel SpeedStep Technology CPU Configuration CPU RatioOC Tweaker Screen Intel Turbo Boost TechnologyGT Voltage Mode Long Duration Power LimitShort Duration Power Limit Dram Timing Configuration Load XMP SettingDram Reference Clock Dram Configuration Dram TweakerRAS# to CAS# Delay tRCD Dram FrequencyRAS to RAS Delay tRRD Command Rate CRWrite Recovery Time tWR Write to Read Delay tWTRTRDRDDR TCKETRDRD TRDRDDDFivr Configuration Fivr Switch Frequency Signature Command Tri StateMRC Fast Boot Fivr Switch Frequency OffsetVoltage Configuration Dram Voltage CPU Integrated VR FaultsCPU Integrated VR Efficiency Mode CPU Override VoltagePCH 1.05V Voltage Advanced Screen CPU Configuration No-Execute Memory Protection Package C State SupportCPU Thermal Throttling Intel Virtualization TechnologyChipset Configuration Onboard HD Audio Restore on AC/Power LossRender Standby Front PanelSata Aggressive Link Power Management Storage ConfigurationSata Mode Selection Sata ControllersIntel Rapid Start Technology Intel Smart Connect Technology Super IO Configuration Acpi Configuration USB Keyboard/Remote Power On RTC Alarm Power OnUSB Mouse Power On USB 3.0 Controller USB ConfigurationUSB Controller Legacy USB SupportTools Uefi Download Server Network ConfigurationInternet Setting Dehumidifier FunctionSave User Default Dehumidifier CPU Fan SettingLoad User Default Chassis Fan 2 Setting CPU Fan 1 & 2 SettingChassis Fan 1 Setting Over Temperature ProtectionBoot From Onboard LAN Boot ScreenFast Boot Setup Prompt TimeoutFull Screen Logo Boot Failure GuardBoot Failure Guard Count AddOn ROM DisplayLaunch Storage OpROM Policy Launch PXE OpROM PolicyLaunch Video OpROM Policy Secure Boot Supervisor PasswordUser Password Security ScreenExit Screen Contact Information