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Packet Return Status
3-7
3
Table 3-2. Packet Status Codes (cont’d)
CODE
MEANING NOTES
$0A SCSI bus reset received (A1 pointing to packet list). (Refer to the
SCSI Bus Reset Packet section in Chapter 7.)
2
$0B Command error (bad command code, bad timing, or command
door was closed when a command was received) = 00. Custom
SCSI sequence: controller level not equal to "147 local level", or
interrupt not on. Format: format with defects on a con- troller type
not supported. Controller reset: controller not SCSI type. Space
(tape): undefined mode. Mode select (tape): undefined controller
type. Mode sense (tape): undefined controller type.
2
$0C Size error (invalid format code). 2
$0D Bad ID in packet or local ID. 2
$0E Error in attach (not previously attached, bad device LUN,
unsupported controller).
2
$0F Busy error (device has a command pending). 2
$10 There is disagreement between initiator and TARGET regarding
the number of bytes that are to be transferred.
2
$11 Received a BERR* while in DMA mode. 2
$12 Selection time-out. TARGET does not respond. 2
$13 SCSI protocol violation. Controller reset: controller not SCSI. 2
$14 Script mismatch. CHECK STATUS. If SCSI status within
command table (offset $14 for initiator role) is zero, then assume
script mismatch, otherwise use SCSI packet status.
2
$15 Script mismatch. The TARGET sequence of operation did not
match the script.
2
$16 Illegal SCSI state machine transition. 2
$17 Command has been received (TARGET role). Disconnect allowed. 2
$18 Script complete in TARGET role. 2
$19 Script complete and new command loaded (TARGET role linked
command).
2
$1A TARGET module called. TARGET role not supported. 2