A Motherboard (sometimes alternatively known as the mainboard, system board, planar board or logic board, or colloquially, a mobo) is the main printed circuit board (PCB) found in computers and other expandable systems. It holds and allows communication between many of the crucial electronic components. Here are complementary connectors of motherboards.

Show device-specific * / Apple / Dell / ECS / HP / HPE pinouts only (please note that filtering may not be accurate) or follow to 32 OLD hardware pinouts.
  • 10 pin IDC male connector drawing
    Intel High Definition Audio connector Intel HD Audio analog front panel dongles can support up to two analog audio jacks, each of which signals user connection, or disconnection.
  • 2 pin single row male connector drawing2 pin motherboard fan  connector drawing
    Motherboard 2-pin fan connector 
  • 3 pin IDC male connector drawing3 pin motherboard fan  connector drawing
    Motherboard 3 pin CPU or Case Cooling fan connector 
  • 4 pin motherboard fan  connector drawing4 pin fan cable connector drawing
    Motherboard 4 pin CPU PWM fan connector For 4-Wire Pulse Width Modulation (PWM) Controlled Fans
  • 4 pin single row male connector drawing
    PC Speaker connector 
  • 10 pin IDC female connector drawing10 pin IDC male connector drawing
    RS232 serial motherboard header connector RS232 serial is also called COM port
  • 10 pin IDC keyed male connector drawing10 pin IDC keyed female connector drawing
    USB 2.0/1.1 Header 
  • 20 pin ICC female connector drawing
    USB 3.0 Header USB 3.0 is the successor of USB 2.0. USB 3 reduces the time required for data transmission, reduces power consumption, and is backward compatible with USB 2.0
  • 20 pin ICC female connector drawing10 pin IDC keyed male connector drawing
    USB 3.0 Header to USB 2.0 Header USB 3.0 contains normal USB 2.0 connections. This is commonly for PC cases that have ports that don't match the Available headers. Converting from 3.0 -> 2.0 is flawless, but converting from 2.0 -> 3.0 will make your 3.0 ports active, but will only function at 2.0 speeds.
  • 10 pin IDC male connector drawing
    USB header internal connector Used for card-edge bracket additinal USB ports and internal cardreaders. This is very old and does not match most modern mother board usb headers.

Apple Pinouts

Dell Pinouts

ECS Pinouts

HP Pinouts

HPE Pinouts

  • 10 pin MiniFit Jr 5557-10 female connector drawing8 pin MiniFit Jr 5557-8 female connector drawing
    HPE Hard Drive Backplane Power Cable 661361-001 Cable used to connect an extra bay on HPE Generation 8 servers (ML350p G8 for example). Cable part of cable kit 667266-001 containing Hard Drive Power Cable, short SAS cable and dual connectors graphics power cable.

 
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