Here it comes, the component we've all been waiting for: the logic board! Here's what we've got for ICs:

Intel SR18A Core i5-4258U Processor

Micron D9PXV 4 Gb (512 MB) DDR3L SDRAM (total of 8 * 512 MB = 4 GB)

Cirrus 4208-CRZ Two-Channel Low Power HD Audio Codec

Intel DSL5520 Thunderbolt 2 Controller

Fairchild Semiconductor DD18BB 220A

Texas Instruments 58872D TI 37 CF61 E4

K03P0 2L4 62DP