Seagate ST9250317AS - Momentus 5400 FDE 250 GB Hard Drive Product Manual page 40

Word Description
48 Reserved
49 Standard Standby timer, IORDY supported and may be dis-
abled
50 ATA-reserved
51 PIO data-transfer cycle timing mode
52 Retired
53 Words 54–58, 64–70 and 88 are valid
54 Number of current logical cylinders
55 Number of current logical heads
56 Number of current logical sectors per logical track
57–58 Current capacity in sectors
59 Number of sectors transferred during a Read Multiple or
Write Multiple command
60–61 Total number of user-addressable LBA sectors. This field
contains a value that is one greater than the total number of
user-addressable sectors. The maximum value that shall be
placed in this field is 0FFFFFFh. The 0FFFFFFFh value
applies to all capacities over 137 Gbytes (see Section 2.2
and 2.3 for related information).
62 Retired
63 Multiword DMA active and modes supported
(see note following this table)
64 Advanced PIO modes supported (modes 3 and 4 supported)
65 Minimum multiword DMA transfer cycle time per word
(120 nsec)
66 Recommended multiword DMA transfer cycle time per word
(120 nsec)
67 Minimum PIO cycle time without IORDY flow control
(240 nsec)
68 Minimum PIO cycle time with IORDY flow control (120 nsec)
69–74 ATA-reserved
75 Queue depth
76 Serial ATA capabilities
77 ATA-reserved
78 Serial ATA features supported
79 Serial ATA features enabled
80 Major version number
81 Minor version number
82 Command sets supported
34
Value
0000
H
2F00
H
0000
H
0200
H
0200
H
0007
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
ST9500327AS = 0FFFFFFFh
ST9320327AS = 0FFFFFFFh
ST9250317AS = 0FFFFFFFh
ST9160317AS = 0FFFFFFFh
ST9120317AS = 234,441,648
ST980314AS = 156,301,488
0000
H
xx07
H
0003
H
0078
H
0078
H
00F0
H
0078
H
0000
H
0000
H
0508
H
0000
H
0048
H
0040
H
003E
H
0000
H
306B
H
Momentus 5400 FDE.4 SATA Product Manual, Rev. B