Seagate ST340016A Product Manual page 38

Barracuda ata iv series ultra ata interface drives
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30
Barracuda ATA IV Family Product Manual, Rev. B
Word
Description
51
PIO data-transfer cycle
timing mode
52
Retired
53
Words 54–58, 64–70 and 88
are valid
54
Number of current logical
cylinders
55
Number of current logical
heads
56
Number of current logical
sectors per logical track
57–58
Current capacity in sectors
59
Number of sectors trans-
ferred during a Read Multiple
or Write Multiple command
60–61
Total number of user-addres-
sable LBA sectors available
(see Section 2.2.3 for related
information)
62
Retired
63
Multiword DMA active and
modes supported (see note
following this table)
64
Advanced PIO modes sup-
ported (modes 3 and 4 sup-
ported)
65
Minimum multiword DMA
transfer cycle time per word
(120 nsec)
66
Recommended multiword
DMA transfer cycle time per
word (120 nsec)
67
Minimum PIO cycle time
without IORDY flow control
(240 nsec)
Value
0200
H
0200
H
0007
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
ST380021A =156,301,488
ST360021A = 117,231,408
ST340016A = 78,165,360
ST320011A = 39,102,336
0000
H
xx 07
H
0003
H
0078
H
0078
H
00F0
H

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