38 Constellation.2 Serial ATA Product Manual, Rev. B
60–61 Total number of user-addressable LBA sectors available
(see Section 3.2 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 0000H
63 Multiword DMA active and mod es supported (see note following this
table) xx07H
64 Advanced PIO modes support ed (modes 3 and 4 supported) 0003H
65 Minimum multiword DMA transfer cycle time per word (120 nsec) 0078H
66 Recommended multiword DMA tran sfer cycle time per word (120
nsec) 0078H
67 Minimum PIO cycle time without IORDY flow control (240 nsec) 00F0H
68 Minimum PIO cycle time with IORDY flow control (120 nsec) 0078H
69–74 ATA-reserved 0000H
75 Queue depth 0000H
76 Serial ATA capabilities xxxxH
77 Reserved for future Serial ATA definition xxxxH
78 Serial ATA features supported xxxxH
79 Serial ATA features enabled xxxxH
80 Major version nu mber 003EH
81 Minor version nu mber 0000H
82 Command sets supported 364BH
83 Command sets supported 7C03H
84 Command sets support extension (see note following this table) 4003H See Word 108-111 note.
(4003H = 0100000000000011
binary)
85 Command sets enabled 30xxH
86 Command sets enabled 0001H
87 Command sets enable exte nsion 4000H
88 Ultra DMA support and curre nt mode (see note following this table) xx3FH
89 Security erase time 0000H
90 Enhanced security era se time 0000 H
92 Master password revision code FFFEH
93 Hardware reset value xxxxH
95–99 ATA-reserved 0000H
100–103 Total number of user-addressable LBA sectors available (see Sec-
tion 3.2 for related information). These words are required for drives
that support the 48-bit addressing feature. Maximum value:
0000FFFFFFFFFFFFh.
1000GB models = 1,953,525,168
500GB models = 976,773,168
250GB models = 488,397,168
104–107 ATA-reserved 0000H
Word Description Value