It can be seen that the ICs has been enclosed within the package 128-BFQFP.The package Bulk contains integrated circuit.A mounting method of Surface Mount is used.Various integrated circuits use this type of 10/100 Integrated Switch.You can find similar integrated circuit systems by searching for the KS8995 family.It is appropriate for the ICs to be applied in Port Switch/Network Interface.It is packaged by 128-PQFP (14x20) and is in good working order.