Western Digital Ultrastar DC HC310 - Table 180 Serial ATA Log Page - Continued

203
Western Digital Hard Disk Drive OEM Specification
Offset
Type
Content
16..23
QWord
Current SATA Settings
Bit
Meaning
63
Set to one
62:11
Reserved
10
DEVICE SLEEP ENABLED bit
9
AUTOMATIC PARTIAL TO SLUMBER TRANSITIONS ENABLED bit
8
SOFTWARE SETTINGS PRESERVATION ENABLED bit
7
HARDWARE FEATURE CONTROL IS ENABLED bit
6
IN-ORDER DATA DELIVERY ENABLED bit
5
DEVICE INITIATED POWER MANAGEMENT ENABLED bit)
4
DMA SETUP AUTO-ACTIVATION ENABLED bit
3
NON-ZERO BUFFER OFFSETS ENABLED bit
2:0
CURRENT SERIAL ATA SIGNAL SPEED field
24..39
Reserved
40..41
Word
CURRENT HARDWARE FEATURE CONTROL IDENTIFIER field
42..43
Word
SUPPORTED HARDWARE FEATURE CONTROL IDENTIFIER field
44..47
Reserved
48..55
QWord
DEVSLP TIMING VARIABLES
Bit
Meaning
63
DEVSLP SUPPORTED
62:16
Reserved
15:8
DEVSLEEP EXIT TIMEOUT (DETO)
7:5
Reserved
4:0
MINIMUM DEVSLP ASSERTION TIME (MDAT)
56..63
QWord
TRANSITIONAL ENERGY REPORTING
Bit
Meaning
63
TER SUPPORTED
62:55
Reserved
54:53
IN-STATE DEVSLEEP POWER UNIT
52:48
TYPICAL IN-STATE DEVSLEEP POWER
47:46
OFF TO GOOD STS LATENCY TIME UNIT
45:40
OFF TO GOOD STS LATENCY
39:38
BETWEEN POWER CYCLES TIME UNIT
37:24
RECOMMENDED TIME BETWEEN POWER CYCLES
23:22
OFF TO GOOD STS TIME UNIT
21:16
OFF TO GOOD STS RECOUP COST
15:14
DEVSLEEP TO PHYRDY TIME UNIT
13:8
DEVSLEEP TO PHYRDY RECOUP COST
7:6
SLUMBER TO DEVSLEEP TIME UNIT
5:0
SLUMBER TO DEVSLEEP RECOUP COST
Table 180 Serial ATA log page - Continued -