Seagate ST31000640AS ユーザーズマニュアル

ページ / 46
Barracuda 7200.11 Serial ATA Product Manual, Rev. C
29
60–61
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 
(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.
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
0000
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
0000
H
82
Command sets supported
364B
H
83
Command sets supported
7C03
H
84
Command sets support extension
4003
H
85
Command sets enabled
30xx
H
86
Command sets enabled
0001
H
87
Command sets enable  extension
4000
H
88
Ultra DMA support and current mode (see note following this table)
xx3F
H
89
Security erase time
0000
H
90
Enhanced security erase time
0000
H
92
Master password revision code
FFFE
H
93
Hardware reset value (see description following this table)
xxxx
H
95–99
ATA-reserved
0000
H
100–103
Total number of user-addressable LBA sectors available (see Section 
2.1 for related information). These words are required for drives that 
support the 48-bit addressing feature. Maximum value: 
0000FFFFFFFFFFFFh.
ST31000340AS =1,953,525,168
 
ST31000640AS =1,953,525,168
 
ST3750330AS =  1,465,149,168
 
ST3750630AS =  1,465,149,168
 
ST3500320AS =     976,773,168
 
ST3500620AS =     976,773,168
 
ST3500820AS =     976,773,168
104–127
ATA-reserved
0000
H
Word
Description
Value