In a Pin Grid Array (PGA), where are the pins located?

In a Pin Grid Array (PGA), the pins are located on the processor itself. This design allows the CPU to connect directly to the socket on the motherboard. In a PGA package, numerous pins protrude from the bottom of the processor, fitting into corresponding holes in the socket. This configuration facilitates electrical connections between the CPU and the motherboard, enabling communication with other components of the computer.

This arrangement differs from other packaging technologies, such as Ball Grid Arrays (BGAs), where solder balls are used instead of pins and are typically soldered directly to the motherboard. Understanding the positioning and function of the pins in a PGA is crucial for those involved in hardware installation and maintenance, as proper alignment and insertion into the socket are essential to ensure the processor functions correctly.