https://www.win-raid.com/t3413f16-GUIDE-Coffee-Lake-CPUs-on-Skylake-and-Kaby-Lake-motherboards.html mights intrest a few peeps
That could prove interesting and useful at some point when I need to upgrade from my 6700k, atm I see no need to, only the gtx970 gfx card is on my list to upgrade now I have a 4k TV. Oh and more memory, 16Gb isn't enough.
Well, for a given degree of 'working': Quad core Coffee-lake chips only unless you start selectively masking pins, and you need to drop the TDP limit because you're not providing enough power (fewer VSS/VCC pins available).