In package 128-BFQFP, you will find the ICs.A package named Bulk contains integrated circuit.The way of mounting integrated circuit is Surface Mount.Basically, integrated circuit is a 10/100 Integrated Switch.In order to find similar integrated circuit systems, you should search for the family KS8995.In the case of Port Switch/Network Interface, it is appropriate for the ICs to be applied there.128-PQFP (14x20) packages the ICs complete.