Specifications:

bottom board of BGA adapter, assigned for FPGA/CPLD devices Lattice MachXO3 in BGA324 package
supported from PG4UW software version 3.25n,
s/n from 3986-00074 are supported from PG4UW software version 3.76
made in Slovakia
Ord. no.        70-3986
Connection to BGA-Top-X        8x50 + 2x50 sockets for B-T-B connector, pitch 0.8mm
Bottom        2x24 pins, square, 0.6x0.6mm, rows spacing 600mil