Seagate BARRACUDA XT ST33000651AS - Manual (Page 32)

32 Barracuda XT SATA Product Manual, Rev. D
SATA Interface www.seagate.com
48 Reserved 0000
H
49
Standard Standby timer, IORDY supported and may be dis-
abled
2F00
H
50 ATA-reserved 0000
H
51 PIO data-transfer cycle timing mode 0200
H
52 Retired 0200
H
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 2.1 for related information)
*Note: The maximum value allowed in this field is:
0FFFFFFFh (268,435,455 sectors, 137Gb). Drives with
capacities over 137Gb 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 sup-
ported)
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 001F
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
Word Description Value