Seagate ST1000VX000 SV35 Series SATA Product Manual - Page 40

Description, Value

Page 40 highlights

Word 53 54 55 56 57-58 59 60-61 62 63 64 65 66 67 68 69-74 75 76 77 78 79 80 81 82 Description Value Words 54-58, 64-70 and 88 are valid Number of current logical cylinders Number of current logical heads Number of current logical sectors per logical track Current capacity in sectors Number of sectors transferred during a Read Multiple or Write Multiple command 0007H xxxxH xxxxH xxxxH xxxxH xxxxH Total number of user-addressable LBA sectors available (see Section 2.2 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* Retired Multiword DMA active and modes supported (see note following this table) 0000H xx07H Advanced PIO modes supported (modes 3 and 4 supported) 0003H Minimum multiword DMA transfer cycle time per word (120 nsec) 0078H Recommended multiword DMA transfer cycle time per word (120 nsec) 0078H Minimum PIO cycle time without IORDY flow control (240 nsec) 00F0H Minimum PIO cycle time with IORDY flow control (120 nsec) 0078H ATA-reserved 0000H Queue depth 0000H Serial ATA capabilities xxxxH Reserved for future Serial ATA definition xxxxH Serial ATA features supported xxxxH Serial ATA features enabled xxxxH Major version number 003EH Minor version number 0000H Command sets supported 364BH 34 SV35 Series SATA Product Manual, Rev. B

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34
SV35 Series SATA Product Manual, Rev. B
53
Words 54–58, 64–70 and 88 are valid
0007
H
54
Number of current logical
cylinders
xxxx
H
55
Number of current logical heads
xxxx
H
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 available
(see Section 2.2 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)
xx
07
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
Word
Description
Value