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Chapter 3: Computer Assembly Step by Step 5Figure 3-3Thermal Compound on the CPUFigure 3-4 shows the heat sink/fan assembly. It is a two-part cooling device. The heat sinkdraws heat away from the CPU, and the fan moves the heat away from the heat sink. Theheat sink/fan assembly usually has a three-pin power connector.Figure 3-4Heat Sink/Fan Assembly on the MotherboardFollow these instructions for CPU and heat sink/fan assembly installation:How ToStep 1.Step 2.Align the CPU so that the Connection 1 indicator is lined up with Pin 1 on theCPU socket. Doing this ensures that the orientation notches on the CPU arealigned with the orientation keys on the CPU socket.Place the CPU gently into the socket.
6 IT Essentials: PC Hardware and Software Companion GuideStep 3.Step 4.Step 5.Step 6.Step 7.Step 8.Close the CPU load plate and secure it in place by closing the load lever andmoving it under the load lever retention tab.Carefully apply a small amount of thermal compound to the CPU, and spread itevenly. Follow the application instructions provided by the manufacturer.Align the heat sink/fan assembly retainers with the holes on the motherboard.Place the heat sink/fan assembly onto the CPU socket, being careful not to pinchthe CPU fan wires.Tighten the heat sink/fan assembly retainers to secure the assembly in place.Connect the heat sink/fan assembly power cable to the header on the motherboard.How ToInstall the RAMLike the CPU and the heat sink/fan assembly, random-access memory (RAM) is installedin the motherboard before the motherboard is secured in the computer case. Before youinstall a memory module, consult the motherboard documentation or website of the manufacturerto ensure that the RAM is compatible with the motherboard.RAM provides temporary data storage for the CPU while the computer is operating. RAMis volatile memory, which means that its contents are lost when the computer is shut down.Typically, more RAM enhances your computer’s performance.Follow these steps for RAM installation:Step 1.Step 2.Align the notches on the RAM module to the keys in the slot, and press downuntil the side tabs click into place.Make sure that the side tabs have locked the RAM module. Visually check forexposed contacts.Repeat these steps for additional RAM modules.Install the MotherboardThe motherboard is now ready to install in the computer case. Plastic and metal standoffsare used to mount the motherboard and to prevent it from touching the metal portions of thecase. You should install only the standoffs that align with the holes in the motherboard.Installing any additional standoffs may prevent the motherboard from being seated properlyin the computer case.
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vAbout the Technical ReviewersDavid
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ixIdentify the Names, Purposes, and
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CHAPTER 1Introduction to the Person
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CHAPTER 7Fundamental Printers and S
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CHAPTER 13Advanced Laptops and Port
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GlossaryThis glossary defines many
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ase station 3AppleTalk A protocol s
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desktop computer 7crosstalk Interfe
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dynamic routing 9Domain Name System
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floppy data cable 11FFast Ethernet
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