Product manual

30 Barracuda ATA V Product Manual, Rev. E
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 com-
mand
xxxx
H
60–61 Total number of user-addressable LBA
sectors available
(see Section 2.2 for related information)
ST3120023A = 234,441,648
ST380023A = 156,301,488
ST360015A = 117,231,408
ST340017A = 78,165,360
ST330013A = 58,633,344
62 Retired 0000
H
63 Multiword DMA active and modes sup-
ported (see note following this table)
xx07
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
Word Description Value