3.4 – Motherboards: Motherboard Connectors
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Questions and Answers

What is the standard size for the motherboard power connector used today?

  • 24-pin (correct)
  • 18-pin
  • 22-pin
  • 20-pin

What voltage does the main motherboard power connector provide?

  • 5.5 volts
  • 12 volts
  • 5 volts
  • 3.3 volts plus or minus 5 volts and plus or minus 12 volts (correct)

What feature ensures the connector can only be inserted one way into the motherboard?

  • Magnetic attachment
  • Keyed pins (correct)
  • Color coding
  • Locking mechanism

Which connector typically provides 12 volts power specifically for the CPU?

<p>4-pin ATX connector (B)</p> Signup and view all the answers

What designation does 'ATX' refer to in the context of motherboards?

<p>Advanced Technology Extended (B)</p> Signup and view all the answers

What should be done before connecting the power supply to the motherboard?

<p>Disconnect from all power sources (C)</p> Signup and view all the answers

What helps secure the connection between the power supply and the motherboard?

<p>Locking tab or clip (B)</p> Signup and view all the answers

How can a 24-pin connector be used with a motherboard that has a 20-pin connector?

<p>By plugging it directly into the 20-pin connector (A)</p> Signup and view all the answers

What is the main purpose of SATA connectors on a motherboard?

<p>To connect hard drives and SSDs. (C)</p> Signup and view all the answers

What does the eSATA connection provide?

<p>Connection for external storage devices. (C)</p> Signup and view all the answers

What are pin headers on a motherboard primarily used for?

<p>Connecting various external devices and buttons. (B)</p> Signup and view all the answers

Which component might you connect to an M.2 connector on a motherboard?

<p>SSDs. (D)</p> Signup and view all the answers

How are the labels on the pin headers of a motherboard helpful?

<p>They specify the functionality of each pin connection. (B)</p> Signup and view all the answers

What is typically required to install an SSD into an M.2 connector?

<p>A screwdriver to secure it. (B)</p> Signup and view all the answers

Which of the following describes a common feature of pin headers related to fan controls?

<p>They connect and control the operational status of cooling fans. (B)</p> Signup and view all the answers

In addition to SATA connections, what is another feature often present on motherboards for connecting storage devices?

<p>eSATA connectors. (D)</p> Signup and view all the answers

What is an advantage of using an SSD with an M.2 connector?

<p>It allows for faster data transfer rates. (C)</p> Signup and view all the answers

What can be inferred about the labeling of connectors on computer cases?

<p>They indicate the function of each corresponding pin on the motherboard. (C)</p> Signup and view all the answers

Flashcards

Motherboard Power Connector

A connector on the motherboard that receives power directly from the power supply, supplying 3.3V, 5V, and 12V to the motherboard. It was originally 20-pin but now is typically 24-pin.

Keyed Connector

A type of connector that ensures a secure connection by using keys to prevent incorrect insertion. These keys are present on both the connector and the motherboard, matching in shape.

24-pin Connector

A 24-pin connector on the motherboard, typically found at the bottom, that receives power from the power supply.

ATX 12 Volt CPU Connector

A 4-pin connector that provides extra power for the CPU, usually located near the CPU socket.

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ATX

Advanced Technology Extended, a family of motherboards.

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Connector Lock

A locking mechanism on the motherboard connector, ensuring secure connection.

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Pins

Electrical connections on a connector that allow for the transmission of power.

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CPU Socket

A motherboard socket where the CPU is installed.

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eSATA

A type of connector providing external Serial ATA connectivity for high-speed data transfer.

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Pin Headers

Groups of pins on a motherboard that connect to various components, such as power, USB, or case buttons.

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Trusted Platform Module (TPM)

A module responsible for secure boot-up and data storage, often found on motherboards.

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M.2 Connector

A standard for connecting SSDs directly to the motherboard, offering faster data transfer speeds.

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Case Connectors

Connectors on the computer case that link to the motherboard for buttons, LEDs, and other case functions.

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Reset Switch Connector

A connector used for connecting the reset button on your computer case to the motherboard.

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Fan Header

A connection that provides power and control for cooling fans on your computer.

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Legacy USB Connector

Connectors on the motherboard for connecting USB devices, typically used for legacy USB connections.

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USB 3.0 Connector

Connectors on the motherboard for connecting USB 3.0 devices, offering faster data transfer speeds.

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Study Notes

Motherboard Connectors

  • 24-pin ATX Power Connector: Provides main motherboard power (3.3V ±5V and ±12V). Replaced the older 20-pin connector. Some power supplies are modular, allowing for 20-pin and 24-pin options. Pins have keys for correct orientation.

  • 4-pin ATX 12V CPU Power Connector: Provides 12V power for the CPU. Located near the CPU socket. Identified by "CPU," "P4," or "ATX 12V" markings. Also uses keyed pins for correct insertion.

  • SATA Connectors: Connect hard drives and SSDs. Colored connectors indicate SATA (Serial ATA) type. Used for internal storage. External drives can also be connected.

  • eSATA Connectors: External Serial ATA connectors. Allows for external storage devices. May require an expansion card, depending on the motherboard design.

  • Pin Headers: Groups of pins on the motherboard edge. Often used for power, USB connectivity, or case button connections. May have labels ("AAFP" for audio, various USB types).

  • TPM Connector: Trusted Platform Module connection. Often a header providing for security connection.

  • USB Connectors (Various Types): Includes legacy USB, USB 3.0, and newer types.

  • Cooling Fan Connectors: Provide power and control for cooling fans.

  • Case Connectors: Connect on/off, reset, and status light buttons. Have labeled connectors.

  • M.2 Connectors: Newer, smaller connectors for high-speed SSDs. SSD is directly inserted and secured.

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Description

Test your knowledge about various motherboard connectors with this quiz. Explore the importance of the 24-pin ATX power connector, CPU power connectors, SATA, and eSATA connectors, as well as pin headers. Understand their functions and identify their key features.

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