Seagate ST9750423AS, Product Manual

Page: 35 / 46

Momentus Product Manual, Rev. A 29
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 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 0FFFFFFFh. The
0FFFFFFFh value applies to all capacities over 137Gbytes
(see Section 3.2 and 3.3 for related information). ST9750422AS = 0FFFFFFFh
ST9750421AS = 0FFFFFFFh
ST9750420AS = 0FFFFFFFh
ST9750420ASG = 0FFFFFFFh
ST9640422AS = 0FFFFFFFh
ST9640421AS = 0FFFFFFFh
ST9640420AS = 0FFFFFFFh
ST9640420ASG = 0FFFFFFFh
ST9500424AS = 0FFFFFFFh
ST9500423AS = 0FFFFFFFh
ST9500423ASG = 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 ns)
0078
H
66 Recommended multiword DMA transfer cycle time per word
(120 ns) 0078
H
67 Minimum PIO cycle time without IORDY flow control (240 ns) 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 0508
H
77 ATA-reserved 0000
H
78 Serial ATA features supported 0048
H
79 Serial ATA features enabled 0040
H
80 Major version number 003E
H
81 Minor version number 0000
H
82 Command sets supported 306B
H
83 Command sets supported 4001
H
84 Command sets support extension 4000
H
85 Command sets enabled 30 xx
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)
xx 7F
H
Word Description Value