Comptia A+ 1101 Motherboard Connectors & Expansion Slots

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6 Terms

1
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Conventional PCI (Peripheral Component Interconnect)

- parallel communication
- many expansion options
- 32-bit and 64-bit (support different widths, as well as different voltages)

<p><span>- parallel communication</span><br><span>- many expansion options</span><br><span>- 32-bit and 64-bit (support different widths, as well as different voltages)</span></p>
2
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PCIe (PCI Express)

- replaces the PCI standard
- communicates serially using unidirectional serial lanes
- more lanes support more data
- may have x1, x2, x4, x16, or x32 full-duplex lanes

<p><span>- replaces the PCI standard</span><br><span>- communicates serially using unidirectional serial lanes</span><br><span>- more lanes support more data</span><br><span>- may have x1, x2, x4, x16, or x32 full-duplex lanes</span></p>
3
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24-pin Motherboard Connector

- provides power from the power supply to the motherboard
- provides +3.3V, +/-5V, and +/-12V
- some cables are 20-pin with a 4-pin attachment

<p><span>- provides power from the power supply to the motherboard</span><br><span>- provides +3.3V, +/-5V, and +/-12V</span><br><span>- some cables are 20-pin with a 4-pin attachment</span></p>
4
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4-pin ATX Connector

- provides additional power to the CPU
- provides +12V power

<p><span>- provides additional power to the CPU</span><br><span>- provides +12V power</span></p>
5
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SATA Drive Interface

- connects hard drives and solid state drives to the motherboard

<p><span>- connects hard drives and solid state drives to the motherboard</span></p>
6
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M.2 Connector

  • Compact Form Factor: Replaces older mSATA and Mini PCIe interfaces.

  • High-Speed Interfaces Supported:

    • NVMe/PCIe (for ultra-fast SSDs)

    • SATA (slower but still solid-state)

    • USB & Wi-Fi/BT modules

<ul><li><p class=""><strong>Compact Form Factor:</strong> Replaces older mSATA and Mini PCIe interfaces.</p></li><li><p class=""><strong>High-Speed Interfaces Supported:</strong></p><ul><li><p class=""><strong>NVMe/PCIe</strong> (for ultra-fast SSDs)</p></li><li><p class=""><strong>SATA</strong> (slower but still solid-state)</p></li><li><p class=""><strong>USB &amp; Wi-Fi/BT modules</strong></p></li></ul></li></ul><p></p>