|(hardware, standard, processor)||Socket 370 - (PGA370) A physical and
electrical specification for a motherboard processor
socket. Socket 370 uses a square SPGA ZIF socket with 370
pins, arranged 37x37 (sometimes described as 19x19).|
Intel originally designed Socket 370 for PPGA Celeron processors. Newer Socket 370 motherboards additionally support FC-PGA Celeron and Pentium III processors.
The difference between the two versions is electrical; some pins are used differently and voltage requirements have been changed from Intel's VRM 8.2 to VRM 8.4. In addition, Celeron processors require a 66 MHz front side bus (FSB), and Pentium III processors require a 100/133 MHz FSB.
Some older Socket 370 motherboards support VRM 8.4 and variable bus speeds, so adapters are available that convert the socket pinout to allow FC-PGA processors to work.
VIA's Cyrix III processor was designed to work with Socket 370 motherboards.
Intel Celeron Processor in PPGA form factor - Integration.
Pentium III Processors - Design Guidelines.