Filter
Top Products
Interface
5-74 C141-E104-02EN
Status Meaning
0 Unclear status
1 Sleep status
2 Standby status
3 Active status or idle status (BSY bit = 0)
4 Off-line data collection being executed
5 to F Reserved
The host computer can issue the SMART Execute Off-line Immediate sub-
command (FR Register = D4h) and cause the device to execute a self test. When
the self test is completed, the device saves the SMART self test log to the disk
medium.
The host computer can issue the SMART Read Log Sector sub-command (FR
Register = D5h, SN Register = 06h) and can read the SMART self test log.
Table 5.11 SMART self test log data format
Byte Item
00, 01 Self test log data format version number
02 Self test log 1 Self test mode (SN Register Value)
03 Self test execution status
04, 05 Total power on time until the self test is
completed. [hours]
06 Self test error No.
07 to 0A Error LBA
0B to 19 Vendor unique
1A to 1F9 Self test log 2 to 21 (Each log data format is the same as that in
byte 02 to 19.)
1FA, 1FB Vendor unique
1FC Self test index
1FD, 1FE Reserved
1FF Check sum
• Self test log 1 to 21
When executes self test, the self test index value is incremented and the self
test execution result is recorded in the self log test area specified by this
value. When the self test index exceeds 21, it returns to 01.
• Self test index
Indicates the latest self test log number. If the self test has not been executed,
00h is displayed.