In package 128-BFQFP, you will find the ICs.It is used as integrated circuit system of the Bulk package.Mounting is done using the Surface Mount method.There are a variety of integrated circuits for this type of 10/100 Integrated Switch.You can find similar integrated circuit systems by searching for the KSZ8995 family.Port Switch/Network Interface is a suitable integrated circuit for the ICs.Packaged by 128-PQFP (14x20), the ICs complete is available.