User's Guide
Chapter 3 Emulated DLT7000 SCSI Commands
Overview of Command and Status Processing
114 Quantum DX-Series Software Interface Guide
• Unexpected disconnect 
The status code is contained in bits 1 through 5 of the status byte. Bits 0, 6, 
and 7 are reserved. 
Table 75 describes the status codes returned by the 
drive.
Table 75 Status 
Codes
Note: In contrast to the BUSY status condition, the DRIVE NOT 
READY Sense Key is returned as part of the Sense data 
following a REQUEST SENSE command and indicates that a 
media access command has been issued and the medium is not 
ready to be accessed. For example, the medium is not installed, 
the medium has been unloaded, and the drive is currently 
initializing the medium to prepare it for access).
Status Code Definition Meaning
00h GOOD The drive successfully completed the command.
02h CHECK 
CONDITION
A Contingent Allegiance condition occurred.
08h BUSY The drive cannot service the command at the moment, 
and its Command Descriptor Block has been discarded. 
The initiator can retry the command at a later time. 
10h INTERMEDIATE 
GOOD
This status is returned instead of a GOOD status for 
commands issued with the LINK bit set. Following the 
return of this status, the drive proceeds to the 
COMMAND phase for the transfer of the next linked 
command.










