You usually define that via your driver's choice (especially on UNIX/Linux).

The SCSI INQUIRE command will in fact tell you that. However, you usually do 
not get the result in binary/hex form so that a SCSI manual will be able to 
help you. Although NW can issue these commands (cdiinq -f device_name, issued 
locally at the SN), it will unfortunately convert the result in a readable text 
and omit a lot of details.

I think there was an HP Tape Test Tool which can provide you that info (at 
least for Windows) but i do not remember exactly its capabilities. And of 
course you should not run this tool as long as NW still controls the drive.

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