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Table 16
Identify Device Data log (continued)
8..15
16..23
24..31
32..39
Seagate Exos X18 SATA Product Manual, Rev. D
Current Settings (QWord)
63
Shall be set to one
62:19
Reserved
18
successful ncq command sense data enabled
17
dlc enabled
16
dsn enabled
15
epc enabled
14
Reserved
13
volatile write cache enabled
12
Reserved
11
reverting to defaults enabled
10
sense data enabled
9
Reserved
8
non-volatile write cache
7
read look-ahead
6
smart enabled
5
Reserved
4
Reserved
3
puis enabled
2
apm enabled
1
free-fall enabled
0
wrv enabled
Feature Settings (QWord)
63
Contents of the QWord are valid
62:18
Reserved
17:16
power source
15:8
apm level
7:0
wrv mode
DMA Host Interface Sector Times (QWord)
63
Contents of the QWord are valid
62:16
Reserved
15:0
dma sector time
PIO Host Interface Sector Times (QWord)
63
Contents of the QWord are valid
62:16
Reserved
15:0
pio sector time
Serial ATA (SATA) interface
1
0
0
0
0
1
0
1
0
0
1
0
1
1
1
0
0
0
0
0
0
1
0
0
0
0
1
0
0
1
0
0
46
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