Advanced Interface Module (AIM) socket
This is an 100 pin internal socket. It is provide for plug in the Advance interface module card. Purpose of AIM card is concentrate in the data compression,encryption, decryption and so on without help of external requirement
HOST PCI Bridge
It act as a bridge between system bus ,CPU bus , PCI bus. Network modules and interface boards are connected in PCI bus.
Communicating between the CPU board and interface boards. in 2600 series, PCI bus provides for this communications between these two boards