The SPARC T5-4 server does not support older versions of the StorageTek 8 Gb FC PCI-Express HBA that run at 5 Gbytes with a x4 channel. The SPARC T5-4 server supports cards that run at 2.5 Gbytes with a x8 channel. Note that the bandwidth and performance are the same for both types of HBAs.
If you have already installed the StorageTek 8 Gb FC PCI-Express HBA, you can check the version by using the fcinfo(1M) command. Or, if the fcinfo(1M) command does not return data about the HBA, you can use the prtconf(1M) command to check the speed and channel width of the HBA.
You can check the HBA using one of the following methods: