5.3 Host Commands
C141-E262
5-67
•
Status
Bits 0 to 3: Indicates the drive status when received error commands according
to the following table.
Bits 4 to 7: Vendor unique
Status Meaning
0 Unclear
status
1 Sleep
status
2 Standby
status
3
Active status (BSY bit = 0)
4
Off-line data collection being executed
5 to F
Reserved
Table 5.19 Data format of SMART Comprehensive Error Log
Byte(hex)
First sector
Next sector
00
SMART Error Logging 01h
Reserved
01
Index Pointer Latest Error Data Structure
Reserved
02 to 5B
1
st
Error Log Data Structure
Error Log Data Structure 5n+1
5C to B5
2
nd
Error Log Data Structure2
Error Log Data Structure 5n+2
B6 to 10F
3
rd
Error Log Data Structure3
Error Log Data Structure 5n+3
110 to 169
4
th
Error Log Data Structure4
Error Log Data Structure 5n+4
16A to 1C3
5
th
Error Log Data Structure5
Error Log Data Structure 5n+5
1C4 to 1C5
Total number of drive errors
Reserved
1C6 to 1FE
Reserved
Reserved
1FF
Check sum
Check sum
"n" indicates sector number in the Error Log. The first sector is 0.
•
SMART Self-Test
The host computer can issue the SMART Execute Off-line Immediate sub-
command (Features field = 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
(Features field = D5h, Sector Number field = 06h, Sector Count field = 01h) and
can read the SMART self-test log.
Summary of Contents for MHY2040BH
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