MSI H55M-E21 manual CPU Central Processing Unit, Introduction to LGA 1156 CPU

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Hardware Setup

CPU (Central Processing Unit)

When you are installing the CPU, make sure to install the cooler to prevent overheating. If you do not have the CPU cooler, consult your dealer before turning on the computer. For the latest information about CPU, please visit http://www.msi.com/index. php?func=cpuform2

Important

Overheating

Overheating will seriously damage the CPU and system. Always make sure the cooling fan can work properly to protect the CPU from overheating. Make sure that you apply an even layer of thermal paste (or thermal tape) between the CPU and the heatsink to enhance heat dissipation.

Replacing the CPU

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.

Overclocking

This mainboard is designed to support overclocking. However, please make sure your components are able to tolerate such abnormal setting, while doing overclocking. Any attempt to operate beyond product specifications is not recommended. We do not guar- antee the damages or risks caused by inadequate operation or beyond product speci- fications.

Introduction to LGA 1156 CPU

The pin-pad side of LGA 1156 CPU.

The surface of LGA 1156 CPU. Remem- ber to apply some thermal paste 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 H55M-E32/ H55M-E23/ H55M-E21 series MS-7636 v3.x MainboardRevision History Preface FCC-B Radio Frequency Interference Statement Weee Waste Electrical and Electronic Equipment Statement Español Türkçe Contents Appendix a Realtek Audio Page Getting Started Mainboard Specifications Processor SupportChapter Mainboard Layout Packing Checklist Page Hardware Setup Quick Components Guide Screw Holes CPU Central Processing Unit Introduction to LGA 1156 CPUCPU & Cooler Installation Alignment KeyAlignment Key Mainboard Hook Dual -Channel mode Population Rule MemoryInstalling Memory Modules ATX 4-pin Power Connector JPWR2 Power SupplyATX 24-pin Power Connector JPWR1 Back Panel LANLAN Chassis Intrusion Connector JCI1 ConnectorsSerial ATA Connector SATA1~6 Serial Port Connector JCOM1 Fan Power Connectors CPUFAN,SYSFAN1~2Front Panel Connectors JFP1, JFP2 Front USB Connector JUSB1 / JUSB2 / JUSB3Pdif -Out Connector JSP1 Front Panel Audio Connector JAUD1TPM Module connector JTPM1 Parallel Port Header JLPT1Jumper Clear Cmos Jumper JBAT1Slots Pcie Peripheral Component Interconnect Express SlotPCI Peripheral Component Interconnect Slot PCI Interrupt Request RoutingPage Bios Setup Entering Setup Press DEL to enter SetupGeneral Help F1 Control KeysGetting Help Main Menu Chapter Standard Cmos Features System doesn’t stop for any detected error Advanced Bios Features TCG/TPM Support Integrated Peripherals EPP Power Management Setup Hhmmss Monitor Green Power Bios Setting Password Cell Menu Page Chapter MEMORY-Z MS-7636 Dram Timing Mode Page MS-7636 Boot FlashChapter Page Overclocking Profile Load Fail -Safe/ Optimized Defaults Realtek Audio Installing the Realtek HD Audio Driver Installation for WindowsSoftware Configuration Software panel overviewAuto popup dialog