Motherboard slot

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Define all slots of motherboard, or all port of computer

Here’s a comprehensive list and definition of all common motherboard slots and computer ports, categorized by type:

🔧 Motherboard Slots (Internal)

These are used to install components inside the computer:

1. CPU Socket

  • Holds the processor (CPU).
  • Types: LGA (Intel), AM (AMD), etc.

2. RAM Slots (DIMM slots)

  • Hold memory (RAM) modules.
  • Usually 2–8 slots.

3. PCI Express (PCIe) Slots

  • For expansion cards like GPUs, SSDs, sound cards.
  • Types:
    • PCIe x1 (smallest)
    • PCIe x4
    • PCIe x8
    • PCIe x16 (used for graphics cards)

4. M.2 Slot

  • For NVMe or SATA SSDs.
  • Small, fast storage interface.

5. SATA Ports

  • Connect 2.5" SSDs, HDDs, or optical drives.
  • Slower than M.2 (uses SATA III typically).

6. Power Connectors

  • 24-pin ATX connector (main power).
  • 4/8-pin CPU power connector.

7. Chipset & CMOS Battery

  • Chipset: Manages data flow between CPU, memory, and peripherals.
  • CMOS battery: Powers BIOS settings memory.

8. Fan Headers

  • 3-pin or 4-pin connectors for CPU and case fans.

9. Front Panel Header (F_PANEL)

  • Connects to power button, reset switch, power LED, HDD LED.

10. USB Headers

  • For front panel USB ports (USB 2.0, 3.0, 3.2 Gen 1/2).

11. Audio Header

  • Connects front panel audio (headphone/mic).

12. Thunderbolt Header (Optional)

  • Supports Thunderbolt cards if motherboard and case support it.

🔌 Computer Ports (External)

These are accessible from the outside of the case:

Data Ports

  1. USB Ports

    • USB 2.0 (black): basic devices.
    • USB 3.0 / 3.1 Gen 1 (blue): faster data.
    • USB 3.2 Gen 2 (red or teal): even faster.
    • USB-C: reversible, used for data, video, power.

  2. Thunderbolt (USB-C-shaped)

    • Ultra-fast, supports daisy-chaining, video, and data.

  3. Ethernet (RJ-45) Port

    • For wired internet/network connection.

  4. Audio Jacks (3.5mm)

    • Line-out (speakers/headphones), mic-in, line-in.
    • Color-coded: green (out), pink (mic), blue (in).

  5. Optical Audio (S/PDIF)

    • Digital audio output for high-fidelity systems.

  6. PS/2 Ports

    • Legacy ports for keyboard (purple) and mouse (green).

Video Output Ports

These come from either the motherboard (if CPU has integrated graphics) or a GPU:

  1. HDMI

    • Audio + video, common for monitors/TVs.

  2. DisplayPort

    • Higher resolutions and refresh rates than HDMI (often used by gamers and professionals).

  3. VGA (Legacy)

    • Analog video, now outdated.

  4. DVI (Digital Visual Interface)

    • Older digital video format, now uncommon.

Power Connectors (External)

  • AC Power Port (on PSU): For connecting power cable to wall outlet.



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