Register <CP_BASEADR> in unit <LAN_IDE_CP> has a constant value of 11111111 during circuit operation. The register is replaced by logic. Register <SHUT_UP<1>> in unit <LAN_IDE_CP> has a constant value of 1 during circuit operation. The register is replaced by logic. Register <cp> in unit <LAN_IDE_CP> has a constant value of 0 during circuit operation. The register is replaced by logic. Input <IDE_WAIT> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved. Input <DS0> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved. Input <DS1> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved. Input <FCS> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved. Output <MTACK> is never assigned. Inout <A<15>> is never assigned. Input <Z3> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved. Input <CLK_EXT> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved. Output <OVR> is never assigned. Input <MTCR> is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved. Signal <LAN_INT_ENABLE> is assigned but never used. This unconnected signal will be trimmed during the optimization process. Signal <DTACK_S> is never used or assigned. This unconnected signal will be trimmed during the optimization process. Signal <AS_D> is never used or assigned. This unconnected signal will be trimmed during the optimization process.