Processors

Intel coffee lake pin configuration is different from kaby lake and skylake

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Intel confirmed during its brief event on Coffee Lake processors that the new chips will use a very different pin configuration from that of previous generations of processors, so they will not be backward compatible with 100 or 200 series motherboards.

Intel Coffee Lake chips bring a different pin configuration from Kaby Lake and Skylake on the LGA 1151 socket

According to engineer and industry analyst David Schor, the reason Coffee Lake processors are not compatible with older LGA 1151 series motherboards with sockets is basically a change in the number of pins.

Compared to other chips, Coffee Lake processors have 391 VSS (voltage grounded) type pins, 14 more pins than Kaby Lake, 146 VCC (power), 18 more than Kaby Lake, and about 25 pins than they are reserved, in front of the 46 of the Kaby Lake.

Pin Configuration on Intel LGA 1151 Socket - Coffee Lake vs Kaby Lake

LGA 1151 socket pinout - Intel Coffee Lake

LGA 1151 socket pinout - Intel Kaby Lake

Although Intel caused some confusion at first by not giving too much detail about the pin configuration of the eighth generation Intel Core processors, the company didn't even bother to rename this new socket version with some type name LGA 1151 V2 for let users know that they won't be able to use the new socket on older chips.

For now, all that is known is that all motherboards still carry sockets named LGA 1151, which might lead some to think that Intel's sixth and seventh generation processors may run on the new motherboards, but As already seen, the new 300 series motherboards will only have support for the new 8th generation Intel Coffee Lake processors.

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