Can I use old DDR2 ram with a DDR3 motherboard?

Can I use old DDR2 ram with a DDR3 motherboard? ddr3 slot The socket H2 supports dual-channel DDR3 memory with data rates up to 1600 MHz, Direct Media Interface running at 5 GTs, and PCI Express and ddr3 vs ddr4 slot Can I put a DDR3 ram in DDR3L slot Helpful? Please support me on Patreon: https:www

ddr3 in ddr4 slot Is it DDR3 or DDR4? How many DRAM slots are available on the motherboard? Do modules have to be installed in pairs, triplets or quads? At what speed do you