MSI MS-7255 manual CPU Central Processing Unit, Introduction to LGA 775 CPU

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Hardware Setup

CPU (Central Processing Unit)

This mainboard supports Intel® Pentium 4 processor in LGA 775 package. When you are installing the CPU, make sure to install the cooler to prevent overheating. If you do not have the CPU cooler, contact your dealer to purchase and install them before turning on the computer.

For the latest information about CPU, please visit http://www.msi.com.tw/program/ products/mainboard/mbd/pro_mbd_cpu_support.php.

Important

1.Overheating will seriously damage the CPU and system. Always make sure the cooling fan can work properly to protect the CPU from overheating.

2.Make sure that you apply an even layer of heat sink paste (or thermal tape) between the CPU and the heatsink to enhance heat dissipation.

3.While replacing the CPU, always turn off the ATX power supply or unplug the power supply’s power cord from the grounded outlet first to ensure the safety of CPU.

Introduction to LGA 775 CPU

The pin-pad side of LGA 775 CPU.

The surface of LGA 775 CPU. Remember to apply some silicone heat transfer compound on it for better heat dispersion.

Alignment Key

Alignment Key

Yellow triangle is the Pin 1 indicator

Yellow triangle is the Pin 1 indicator

 

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Contents P4M890M2 / P4M900M2 Series MS-7255 v2.X MainboardRevision History Copyright NoticeTrademarks Technical SupportSafety Instructions Micro-Star International MS-7255 FCC-B Radio Frequency Interference StatementWeee Waste Electrical and Electronic Equipment Statement Page Vii Contents Appendix a VIA VT8237A/8237S Sata RAID Introduction Getting Started Getting StartedMainboard Specifications IDESata Slots ConnectorsGetting Started Floppy Form FactorMainboard Layout MM1DI MM2DIPacking Checklist PC AlertTM Hardware Setup Hardware SetupQuick Components Guide PWRFAN1 JCOM2 JPWR1 CPU CPUFAN1 JCASE1 JSPDIFOUT1 JPWR2CPU Central Processing Unit Introduction to LGA 775 CPUCPU & Cooler Installation Alignment Key Locking switch Installing Ddrii Modules MemoryDdrii ATX 12V Power Connector JPWR1 Power SupplyATX 24-Pin Power Connector JPWR2 JPWR2Back Panel LANMS-7255 Mainboard Audio Port Connectors ATA133 Hard Disk Connectors IDE1 & IDE2 ConnectorsFloppy Disk Drive Connector FDD1 FDD1Serial ATA Connectors SATA1, SATA2 SATA1 SATA2CPUFAN1 PWRFAN1 Fan Power Connectors CPUFAN1, PWRFAN1, SYSFAN1Chassis Intrusion Switch Connector JCASE1 JCASE1Serial Port Connector Jcom Aux Line-In Connector JCD1PDIF-Out Connector JSPDIFOUT1 2pin / 3pin optional Front Panel Connectors JFP1/JFP2 JFP2 JFP1Front Panel Audio Connector JAUD1 JAUD1Front USB Connectors JUSB1, JUSB2 JUSB1/2USB 2.0 Bracket Jumpers Clear Cmos Jumper JBAT1JBAT1 Slots PCI Peripheral Component Interconnect Express SlotsPCI Peripheral Component Interconnect Slots PCI Interrupt Request Routing Bios Setup Bios SetupEntering Setup Press DEL to enter SetupGeneral Help F1 Control KeysGetting Help Main MenuMain Menu Save Changes and Exit Bios Setup Load Optimized DefaultsBios Setting Password Exit Without SavingStandard Cmos Features Advanced Bios Features Execute Disable Bit System Bios CacheableCPU Feature Chipset FeatureHard Disk Drives Bios Setup Boot Device Priority1st / 2nd / 3rd Boot Device 1st / 2nd DriveIntegrated Peripherals Devices Configuration Bios Setup PCI IDE BusMasterRAID mode Parallel Port ModeAcpi Standby Power Management FeaturesAcpi Function Suspend Time OutWakeup Event Setup Bios Setup Power Button ModeRestore on AC/Power Loss Resume On RTC AlarmPNP/PCI Resource Management PCI Latency TimerIRQ Resources Setup Primary Graphics AdapterMonitor Chassis IntrusionFrequency/Voltage Control Adjust CPU FSB FrequencyAdjusted CPU Frequency Spread SpectrumAdjust AGP/PCI Frequency Bios Setup Adjusted DDR Memory FrequencyAdjust Pcie Frequency Auto Disable PCI ClockLoad Optimized Defaults Bios Setting Password VIA VT8237A / VT8237S Sata RAID Introduction Capacity Benefits RAID BasicsRAID Level RAID 0 StripingBios Configuration VIA VT8237A / VT8237S Sata RAID IntroductionCreate Disk Array VIA VT8237A / VT8237S Sata RAID Introduction Delete Disk Array Create and Delete Spare Hard Drive View Serial Number of Hard DriveDuplicate Critical RAID 1 Array Rebuild Broken RAID 1 ArrayChoose Replacement Drive and Rebuild Continue to bootDestroy the Mirroring Relationship † Existing Windows XP Driver Installation Install Driver in Windows OS† New Windows OS 2000/XP/NT4 Installation † Confirming Windows XP Driver InstallationUsing VIA RAID Tool MS-7255 Mainboard VIA VT8237A / VT8237S Sata RAID Introduction Realtek ALC883 / ALC888 Audio Installing the Realtek HD Audio Driver Installation for Windows 2000/XPClick Realtek HD Audio Driver Realtek ALC883 / ALC888 Audio Software Configuration Sound Effect Environment SimulationMS-7255 Mainboard Equalizer Selection LoadKaraoke Mode Raise the key Remove the human voice Lower the keyMixer Adjust VolumePlayback multi-streaming and click OK to save the setup Multi-Stream FunctionRealtek ALC883 / ALC888 Audio MS-7255 Mainboard Playback control UteTool Realtek ALC883 / ALC888 Audio Recording control Speaker Configuration Audio I/ORealtek ALC883 / ALC888 Audio Connector Settings Disable front panel jack detection optionPdif Output Sampling RateOutput Source Realtek ALC883 / ALC888 Audio Test Speakers Microphone 3D Audio Demo Information Channel Mode for Stereo-Speaker Output Hardware SetupConnecting the Speakers Back PanelChannel Analog Audio Output Description Line Out Front channels
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MS-7255 specifications

The MSI MS-7255, also known as the MSI K8N Neo4, is a versatile motherboard that has gained attention for its robust features, compatibility, and performance capabilities. Designed to support AMD's Socket 939 processors, the MS-7255 caters to users looking for a reliable platform for both gaming and everyday computing tasks.

One of the standout features of the MSI MS-7255 is its support for high-performance memory. With four DDR DIMM slots, the motherboard can accommodate up to 4GB of DDR400 RAM, allowing for fast data processing and multitasking capabilities. This memory configuration can significantly enhance overall system responsiveness, making it ideal for power users and gamers who demand excellent performance.

The MS-7255 is also equipped with NVIDIA's nForce 4 chipset, which brings significant advantages in terms of connectivity and performance. This chipset supports PCI Express, offering users the ability to install next-generation graphics cards that utilize the PCIe x16 interface, paving the way for superior graphics performance in gaming and graphic-intensive applications.

In terms of storage, the MSI MS-7255 features an impressive array of SATA ports. With up to four SATA II 3.0 Gb/s connectors, users can easily set up RAID configurations for improved data redundancy or performance. This flexibility is particularly appealing to gamers and content creators looking for faster load times and better system performance.

The motherboard also includes integrated 8-channel audio, courtesy of Realtek, providing users with high-quality sound output without the need for additional audio cards. This feature enhances the multimedia experience, making it suitable for movies, music, and gaming environments.

Connectivity options abound with the MSI MS-7255, featuring built-in Ethernet and multiple USB ports for peripheral connections. These ports enrich the user experience, allowing easy access to a range of external devices, from printers to game controllers.

In terms of user-friendly features, the MS-7255 boasts a well-designed BIOS, allowing users to easily tweak system settings for optimal performance. The board's layout also facilitates ease of installation and accessibility to components, which is a crucial factor for DIY builders.

Overall, the MSI MS-7255 is a compelling choice for users seeking a reliable, feature-rich motherboard. Its blend of performance, connectivity, and audio capabilities make it a worthy consideration for anyone looking to build a powerful and efficient system. With its ability to support the demands of both gamers and general users alike, the MS-7255 proves to be an enduring option in the motherboard market.