IXP4XXB-266.bsdl   ==  B0 step, 266MHz IXP4xx device
IXP4XXB-400.bsdl ==  B0 step, 400MHz IXP4xx device
IXP4XXB-533.bsdl == B0 step, 533MHz IXP4xx or IXC1100 device

the "IXP4XX" file is needed by each of the above files.

If you have any further questions contact your Intel Field Applications Engineer.

Thank you,

Intel Network Processor Division
