Seagate BARRACUDA ST31000524AS User Manual
Page 36
36
Barracuda SATA Product Manual, Rev. A
Serial ATA (SATA) Interface
56
Number of current logical sectors per logical track
xxxx
H
57–58
Current capacity in sectors
xxxx
H
59
Number of sectors transferred during a Read Multiple
or Write Multiple command
xxxx
H
60–61
Total number of user-addressable LBA sectors avail-
able
(see Section 2.1 for related information)
*Note: The maximum value allowed in this field is:
0FFFFFFFh (268,435,455 sectors, 137GB). Drives
with capacities over 137GB will have 0FFFFFFFh in
this field and the actual number of user-addressable
LBAs specified in words 100-103. This is required for
drives that support the 48-bit addressing feature.
0FFFFFFFh*
62
Retired
0000
H
63
Multiword DMA active and modes supported
(see note following this table)
xx07
H
64
Advanced PIO modes supported (modes 3 and 4
supported)
0003
H
65
Minimum multiword DMA transfer cycle time per
word (120 nsec)
0078
H
66
Recommended multiword DMA transfer cycle time
per word
(120 nsec)
0078
H
67
Minimum PIO cycle time without IORDY flow control
(240 nsec)
00F0
H
68
Minimum PIO cycle time with IORDY flow control (120
nsec)
0078
H
69–74
ATA-reserved
0000
H
75
Queue depth
001F
H
76
Serial ATA capabilities
xxxx
H
77
Reserved for future Serial ATA definition
xxxx
H
78
Serial ATA features supported
xxxx
H
79
Serial ATA features enabled
xxxx
H
80
Major version number
003E
H
81
Minor version number
0028
H
82
Command sets supported
364B
H
83
Command sets supported
7C03
H
84
Command sets support extension
(see note following this table)
4003
H
See Word 108-111 note.
(4003H = 0100000000000011 binary)
85
Command sets enabled
30
xx
H
86
Command sets enabled
0001
H
Word
Description
Value