A computer motherboard (also called the mainboard or system board) is the central printed circuit board (PCB) in a computer. It connects and allows communication between many of the crucial components of a system, including:
Key Components on a Motherboard:
- CPU Socket – Holds the processor (CPU) and connects it to the rest of the system.
- RAM Slots (DIMM slots) – For installing memory (RAM).
- Chipset – Controls communication between CPU, RAM, storage, and peripherals.
- Storage Connectors – SATA or M.2 slots for SSDs and HDDs.
- Expansion Slots (PCIe) – For graphics cards, sound cards, network cards, etc.
- Power Connectors – To supply power from the PSU (Power Supply Unit).
- USB Ports & Headers – Internal and external USB connections.
- Audio and Network Ports – On the rear I/O panel.
- BIOS/UEFI Chip – Manages basic hardware initialization and boot process.
- Cooling Fan Headers – For CPU and case fan connections.
Common Motherboard Sizes (Form Factors):
- ATX – Standard full-sized board.
- Micro-ATX – Smaller, fewer expansion slots.
- Mini-ITX – Very compact, limited slots and features.
If you're building or upgrading a PC, choosing the right motherboard depends on your CPU, desired features, and case size. Want help picking one? Let me know your specs or needs!
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