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Serial ATA (SATA) interface
Table 14 Identify Device Data log (continued)
8..15
Current Settings (QWord)
63
Shall be set to one
1
62:19
Reserved
0
18
successful ncq command sense data enabled
1
17
dlc enabled
0
16
dsn enabled
0
15
epc enabled
1
14
Reserved
0
13
volatile write cache enabled
1
12
Reserved
0
11
reverting to defaults enabled
0
10
sense data enabled
0
9
Reserved
0
8
non-volatile write cache
1
7
read look-ahead
1
6
smart enabled
1
5
Reserved
0
4
Reserved
0
3
puis enabled
0
2
apm enabled
0
1
free-fall enabled
0
0
wrv enabled
0
16..23
Feature Settings (QWord)
63
Contents of the QWord are valid
1
62:18
Reserved
0
17:16
power source
0
15:8
apm level
0
7:0
wrv mode
0
24..31
DMA Host Interface Sector Times (QWord)
63
Contents of the QWord are valid
1
62:16
Reserved
0
15:0
dma sector time
0
32..39
PIO Host Interface Sector Times (QWord)
63
Contents of the QWord are valid
1
62:16
Reserved
0
15:0
pio sector time
0
Seagate Exos X24 SATA Product Manual, Rev. C
48