Seagate Barracuda 7200.12 ST3320418AS Product Manual page 36

Word Description
Total number of user-addressable LBA sectors available
(see Section 2.1 for related information)
*Note: The maximum value allowed in this field is: 0FFFFFFFh
60–61
(268,435,455 sectors, 137 Gbytes). Drives with capacities over 137
Gbytes 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.
62 Retired
Multiword DMA active and modes supported
63
(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)
Recommended multiword DMA transfer cycle time per word
66
(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 Reserved for future Serial ATA definition
78 Serial ATA features supported
79 Serial ATA features enabled
80 Major version number
81 Minor version number
82 Command sets supported
83 Command sets supported
Command sets support extension
84
(see note following this table)
85 Command sets enabled
86 Command sets enabled
87 Command sets enable extension
88 Ultra DMA support and current mode (see note following this table)
89 Security erase time
90 Enhanced security erase time
92 Master password revision code
93 Hardware reset value
95–99 ATA-reserved
Total number of user-addressable LBA sectors available (see Section
2.1 for related information). These words are required for drives that
100–103
support the 48-bit addressing feature. Maximum value:
0000FFFFFFFFFFFFh.
30 Barracuda 7200.12 Serial ATA Product Manual, Rev. B
Value
0FFFFFFFh*
0000
H
xx07
H
0003
H
0078
H
0078
H
00F0
H
0078
H
0000
H
0000
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
003E
H
0000
H
364B
H
7C03
H
4003 See Word 108-111 note.
H
(4003H = 0100000000000011
binary)
30xx
H
0001
H
4000
H
xx3F
H
0000
H
0000
H
FFFE
H
xxxx
H
0000
H
ST31000528AS = 1,953,525,168
ST3750528AS = 1,465,149,168
ST3500418AS = 976,773,168
ST3500410AS = 976,773,168
ST3320418AS = 625,142,448
ST3250318AS = 488,397,168
ST3160318AS = 312,581,808