IBM G52-72361X2 Bios Setup Max Cpuid Value Limit, Hardware Prefetcher, Hyper-Threading Technology

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BIOS Setup

Max CPUID Value Limit

When CPUID instruction is executed, newer CPU may return a value greater than 3 which causes certain problem with specific operating systems. Ena- bling "Max CPUID Value Limit" will limit the returned value to 3 and less to get rid of the problem. The problem is not seen with Windows series operating sys- tems so the default is set to disabled for it.

Virtualization Technology (Only for the CPU with Dual Core) Virtualization Technology will allow a platform to run multiple operating sys- tems and applications in independent partitions. With virtualization, one compu- ter system can function as multiple “virtual” systems. With enhancements to Intel’s various platforms, Intel Virtualization Technology can improve the ro- bustness and performance of today’s software-only solutions .Settings: [Enabled], [Disabled].

Execute Disable Bit

Execute-Disable Bit capability is a robust hardware feature, detectable using the CPUID instruction, that protects against malicious software executing code on IA-32 systems.Settings: [Enabled], [Disabled].

Hardware Prefetcher

This item allows you to to enable/disable the hardware prefetcher, or in other words – hardware prefetch mechanism.Settings: [Enabled], [Disabled].

Adjacent Cache Line Prefetch

This item allows you to enable/disable the adjacent cache line prefetch mode. When disabled, only one 64 byte line from the 128 byte sector is prefetched (which contains the requested data). When enabled – both lines are prefetched no matter whether they have or have not the requested data. Setting options: [Enabled], [Disabled].

Hyper-Threading Technology

The processor uses Hyper-Threading technology to increase transaction rates and reduces end-user response times. The technology treats the two cores inside the processor as two logical processors that can execute instructions simultaneously. In this way, the system performance is highly improved. If you disable the function, the processor will use only one core to execute the instructions. Please disable this item if your operating system doesn’t sup- port HT Function, or unreliability and instability may occur.

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Contents MS-7236 V2.X Mainboard 945P Neo3 SeriesTrademarks Copyright NoticeRevision History Technical SupportSafety Instructions FCC-B Radio Frequency Interference Statement Micro-Star International MS-7236Weee Waste Electrical and Electronic Equipment Statement Page Vii Contents Front USB Connectors JUSB1 / JUSB2 Getting Started MS-7236 Mainboard Mainboard SpecificationsGetting Started Connectors Back panelMS-7236 V2.X ATX Mainboard Mainboard LayoutMSI mainboard MSI Driver/Utility CD Packing ChecklistOptional Core Center Right-wing PC hardware status during real time operation Left-wing Current system statusHardware Setup 945P Neo3 Series MS-7236 V2.X ATX Mainboard Quick Components GuideCentral Processing Unit CPU Hardware SetupIntroduction to LGA 775 CPU CPU & Cooler Installation Lift the load lever up and open the load plate Locking switch Memory Module Population Rules MemoryVolt Notch Installing DDR II ModulesATX 24-Pin Power Connector ATX1 Power SupplyATX 12V Power Connector PWRCONN1 Mouse/Keyboard Connector Back panel provides the following connectorsSerial Port Connector COM Port Back PanelLAN RJ-45 Jack 1000Mbps is optional USB ConnectorsRJ-45 LAN Jack Surround-Out Audio Port ConnectorsParallel Port Connector LPT1 Floppy Disk Drive Connector FDD1 ConnectorsFan Power Connectors CPUFAN1/SYSFAN1/PWRFAN1 IDE1 blue Hard Disk Connector IDE1Serial ATA cable Serial Ataii Connectors controlled by Intel ICH7 SATA1~SATA4Front Panel Connectors JFP1 / JFP2 CD-In Connector JCD1Front Panel Audio Connector JAUD1 Front USB Connectors JUSB1 / JUSB2Pin Definition Chassis Intrusion Switch Connector JCI1 Serial Port Connector JCOM1IrDA Infrared Module Header JIR1 JSPD1 Clear Cmos Jumper JBAT1 JumperPCI Express Slots SlotsPCI Peripheral Component Interconnect Slots PCI Interrupt Request RoutingBios Setup Bios SetupPress DEL to enter Setup Entering SetupGetting Help Control KeysGeneral Help F1 Main MenuMain Menu Load Fail-Safe Defaults Bios Setup PNP/PCI ConfigurationsLoad Optimized Defaults Bios Setting PasswordSystem Date Mmddyy Standard Cmos FeaturesSystem Time Hhmmss Primary/Secondary/Third IDE Master/SlaveBios Version Bios Setup System InformationCPU Type System Memory SizePIO Mode MS-7236 Mainboard LBA/Large ModeDMA Mode Block Multi-Sector TransferHalt On Bios Setup Floppy aQuick Boot Advanced Bios FeaturesCPU Configuration Hardware Prefetcher Bios Setup Max Cpuid Value LimitAdjacent Cache Line Prefetch Hyper-Threading TechnologyFull Screen Logo Display Boot Up Num-Lock LEDIoapic Function MPS ConfurationBoot Device Priority Configure Dram Timing by SPD Advanced Chipset FeaturesDram Frequency Initate Graphic Adapter Bios Setup Memory HolePEG Force USB Functions Integrated PeripheralsUSB 2.0 Controller USB Keyboard Legacy SupportIDE Configuration Bios Setup Onboard LAN ControllerSata Devices Configuration Onboard LAN Option ROMIO Devices Configuration MS-7236 Mainboard ATA/IDE ConfigurationSerial Port2 Mode Onboard Floppy ControllerDisabled 3BC/IRQ7 278/IRQ5 378/IRQ7 Parallel Port Mode Bios Setup Parallel Port AddressStandard Parallel Port Enhanced Parallel PortAcpi Function Power Management SetupPower Button Mode Bios Setup Acpi Standby StateRestore on AC Power Loss Wakeup Event SetupResume On RTC Alarm Specific Key for PowerOnMS-7236 Mainboard USB Device WakeUp From S3 Resume By PS/2 KeyboardClear Nvram PCI/PNP Resource ManagementPlug & Play O/S IRQ Resources Setup MS-7236 Mainboard PCI Latency TimerPCI Slot1~4 IRQ Preference AvailableBios Setup DMA Resources Setup CPU Fan Failure Warning MonitorChassis Intrusion Smart Fan TargetBios Setup Smart Fan Tolerance Adjust NB Voltage Adjust DDR VoltageCell Menu Adjust PCI Express Frequency Adjust CPU FSB FrequencySpread Spectrum CPU Dynamic OverClockingAdjust PCI Frequency Auto Disable PCI ClockLoad Fail-Safe/Optimized Defaults Bios Setting Password Realtek ALC850 Audio Installation for Windows 98SE/ME/2000/XP Installing the Audio DriverClick Realtek AC97 Audio Drivers Realtek ALC850 Audio Software Configuration Sound Effect Raise the key Remove Human voice Lower the key Speaker Configuration MS-7236 Mainboard 3D Audio Demo General Spdif Connecting the Speakers Hardware SetupChannel Mode for Stereo-Speaker Output Back PanelChannel Analog Audio Output MS-7236 Mainboard Channel Mode for 6-Speaker Output Back Side Surround Out Side channels