LGA1151 board support ddr3 ?

Solution
DDR4 memory has default voltage of 1.2V, whereas DDR3L memory has 1.35V supply voltage. ... DDR3 and DDR3L are compatible and DDR3 modules will work with Intel “Skylake” processors, however, 1.5V memory voltage can damage integrated memory controller of the central processing unit, according to Intel.

more on that here...
http://www.kitguru.net/components/motherboard/anton-shilov/intel-prolonged-usage-of-ddr3-memory-at-default-voltages-can-damage-skylake/
DDR4 memory has default voltage of 1.2V, whereas DDR3L memory has 1.35V supply voltage. ... DDR3 and DDR3L are compatible and DDR3 modules will work with Intel “Skylake” processors, however, 1.5V memory voltage can damage integrated memory controller of the central processing unit, according to Intel.

more on that here...
http://www.kitguru.net/components/motherboard/anton-shilov/intel-prolonged-usage-of-ddr3-memory-at-default-voltages-can-damage-skylake/
 
Solution