Hitachi DK32EJ - Ultrastar Series 36.9 GB Hard Drive Reference Manual page 263

(100)b Abort
backgroun
d self-test
(101)b Foregroun
d
self-test
(110)b Foregroun
d extended
self-test
(111)b Reserved
The controller carries out the default self-diagnostics if the SelfTest (Self Test) bit of
the command is set to 1. In this case, the Parameter List Length field must be set to
0.
When the self-diagnostics are completed normally, the controller terminates the
command with the GOOD status.
command with a CHECK CONDITION status and sets the sense key to
"HARDWARE ERROR" .
The results of the self-diagnostics are not returned to the host computer responding
to the RECEIVE DIAGNOSTIC RESULTS command. (see 6.19)
When the SelfTest bit is set to 0, the controller carries out the diagnostics specified in
the diagnostic parameters (listed in Table 6-91).
If the DevOfL (SCSI Device Offline) bit is set to 1, the controller is allowed to have
a bad influence on operations to other logical unit on the controller.
If the DevOfL bit is set to 0, the information of operations to other logical unit on
the controller is preserved. The controller only supports DevOfL bit = 0.
The PF (Page Format) bit of 1 specifies that diagnostic parameters are defined in
page format. The PF bit of 0 specifies that diagnostic parameters are not defined in
page format (they are defined in vender unique format ).
SEND DIAGNOSTIC:(1Dh)
6 COMMAND DESCRIPTIONS
Table 6-90 Self-Test Code Field Values (cont'd)
The device server shall abort the current self-test
running in background mode. The Parameter List
Length field shall contain zero. This value is only valid
if a previous SEND DIAGNOSTIC command specified
a background self-test function and that self-test has
not completed. If either or these conditions is not met,
then the device server shall return a CHECK
CONDITION status with a sense key of ILLEGAL
REQUEST and an additional sense code of INVALID
FIELD IN CDB.
The device server shall start its short self-test in the
short foreground mode. The Parameter List Length field
shall contain zero.
The device server shall start its extended self-test in
the foreground mode. The Parameter List Length field
shall contain zero.
Otherwise, the controller terminates the
OEM MANUAL:K6602771
Revision: 2 / Date: 2002.12.19
Page: 263 / 313