Seagate ST1000VX000 SV35 Series PATA 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 76-79 80 81 82 83 84 85 Description 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 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. Retired Multiword DMA active and modes supported (see note following this table) Advanced PIO modes supported (modes 3 and 4 supported) Minimum multiword DMA transfer cycle time per word (120 nsec) Recommended multiword DMA transfer cycle time per word (120 nsec) Minimum PIO cycle time without IORDY flow control (240 nsec) Minimum PIO cycle time with IORDY flow control (120 nsec) ATA-reserved Queue depth SATA-reserved Major version number Minor version number Command sets supported Command sets supported Command sets support extension Command sets enabled Value 0007H xxxxH xxxxH xxxxH xxxxH xxxxH 0FFFFFFFh* 0000H xx07H 0003H 0078H 0078H 00F0H 0078H 0000H 0000H xxxxH 007EH 0000H 346BH 7D01H 4003H 34xxH 34 SV35 Series Product Manual, Rev. B

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34
SV35 Series 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 Multi-
ple 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
76–79
SATA-reserved
xxxx
H
80
Major version number
007E
H
81
Minor version number
0000
H
82
Command sets supported
346B
H
83
Command sets supported
7D01
H
84
Command sets support extension
4003
H
85
Command sets enabled
34
xx
H
Word
Description
Value