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SC3500 User Guide Ver 1.3 March 8, 2005 Page 7 of 28

3.3 SCSI Commands

3.3.1 Test Unit Ready Command – 00h

Test Unit Ready CDB

The TEST UNIT READY command provides a means to check if the logical unit is

ready. This is not a request for a self-test. If the logical unit would accept an appropriate

medium-access command without returning CHECK CONDITION status, this command

shall return a GOOD status. If the logical unit cannot become operational or is in a state

such that an initiator action is required to make the unit ready, the target shall return

CHECK CONDITION status with a sense key of NOT READY.

3.3.2 Rezero Unit Command – 01h

Rezero Unit CDB

The REZERO UNIT command requests that the target set the logical unit to a specific

state. This is implemented on the SC3500 as a NOP command and has no effect other

than to verify the CDB.

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Memtech SC3500 Guida Utente Pagina 7