I/O compatibility status for the blade. The possible values and their meanings are as follows: unknown: This indicates a communication error for the blade. ok: This is the normal (good) case where the blade and the corresponding I/O modules it is internally wired to have no compatibility issues. noIOMs: This means there are no I/O modules in any of the corresponding I/O module bays this blade is internally wired to. attention: This indicates that one or more of the corresponding I/O modules are in communication error. mismatch: This indicates one of the following cases: Fabric types are incompatible An unknown I/O module type An unknown fabric type on the blade