MSI MS-7255 manual Alignment Key

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Hardware Setup

Important

1.Confirm if your CPU cooler is firmly installed before turning on your system.

2.Do not touch the CPU socket pins to avoid damaging.

3.The availability of the CPU land side cover depends on your CPU packing.

5.Lift the load lever up and open the load plate.

6.After confirming the CPU direction for correct mating, put down the CPU in the socket housing frame. Be sure to grasp on the edge of the CPU base. Note that the align- ment keys are matched.

alignment

key

7.Visually inspect if the CPU is seated well into the socket. If not, take out the CPU with pure vertical motion and reinstall.

8.Cover the load plate onto the package.

2-5

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Contents P4M890M2 / P4M900M2 Series MS-7255 v2.X MainboardCopyright Notice TrademarksRevision History 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 StartedSata Mainboard SpecificationsIDE Connectors Getting Started FloppySlots 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 Ddrii Installing Ddrii ModulesMemory Power Supply ATX 24-Pin Power Connector JPWR2ATX 12V Power Connector JPWR1 JPWR2Back Panel LANMS-7255 Mainboard Audio Port Connectors Connectors Floppy Disk Drive Connector FDD1ATA133 Hard Disk Connectors IDE1 & IDE2 FDD1Serial ATA Connectors SATA1, SATA2 SATA1 SATA2Fan Power Connectors CPUFAN1, PWRFAN1, SYSFAN1 Chassis Intrusion Switch Connector JCASE1CPUFAN1 PWRFAN1 JCASE1PDIF-Out Connector JSPDIFOUT1 2pin / 3pin optional Serial Port Connector JcomAux Line-In Connector JCD1 Front Panel Connectors JFP1/JFP2 JFP2 JFP1Front Panel Audio Connector JAUD1 JAUD1USB 2.0 Bracket Front USB Connectors JUSB1, JUSB2JUSB1/2 JBAT1 JumpersClear Cmos Jumper JBAT1 PCI Peripheral Component Interconnect Slots SlotsPCI Peripheral Component Interconnect Express Slots PCI Interrupt Request Routing Bios Setup Bios SetupEntering Setup Press DEL to enter SetupControl Keys Getting HelpGeneral Help F1 Main MenuMain Menu Bios Setup Load Optimized Defaults Bios Setting PasswordSave Changes and Exit Exit Without SavingStandard Cmos Features Advanced Bios Features System Bios Cacheable CPU FeatureExecute Disable Bit Chipset FeatureBios Setup Boot Device Priority 1st / 2nd / 3rd Boot DeviceHard Disk Drives 1st / 2nd DriveIntegrated Peripherals Bios Setup PCI IDE BusMaster RAID modeDevices Configuration Parallel Port ModePower Management Features Acpi FunctionAcpi Standby Suspend Time OutBios Setup Power Button Mode Restore on AC/Power LossWakeup Event Setup Resume On RTC AlarmPCI Latency Timer IRQ Resources SetupPNP/PCI Resource Management Primary Graphics AdapterMonitor Chassis IntrusionAdjust CPU FSB Frequency Adjusted CPU FrequencyFrequency/Voltage Control Spread SpectrumBios Setup Adjusted DDR Memory Frequency Adjust Pcie FrequencyAdjust AGP/PCI Frequency Auto Disable PCI ClockLoad Optimized Defaults Bios Setting Password VIA VT8237A / VT8237S Sata RAID Introduction RAID Basics RAID LevelCapacity Benefits 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 ArrayDestroy the Mirroring Relationship Choose Replacement Drive and RebuildContinue to boot Install Driver in Windows OS † New Windows OS 2000/XP/NT4 Installation† Existing Windows XP Driver Installation † Confirming Windows XP Driver InstallationUsing VIA RAID Tool MS-7255 Mainboard VIA VT8237A / VT8237S Sata RAID Introduction Realtek ALC883 / ALC888 Audio Click Realtek HD Audio Driver Installing the Realtek HD Audio DriverInstallation for Windows 2000/XP 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 keyAdjust Volume Playback multi-streaming and click OK to save the setupMixer Multi-Stream FunctionRealtek ALC883 / ALC888 Audio Tool MS-7255 Mainboard Playback controlUte Realtek ALC883 / ALC888 Audio Recording control Speaker Configuration Audio I/ORealtek ALC883 / ALC888 Audio Connector Settings Disable front panel jack detection optionOutput Source PdifOutput Sampling Rate Realtek ALC883 / ALC888 Audio Test Speakers Microphone 3D Audio Demo Information Hardware Setup Connecting the SpeakersChannel Mode for Stereo-Speaker Output 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.