26
Barracuda ATA II 100 Family Product Manual, Rev. A
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 trans-
ferred during a Read Multiple
or Write Multiple command
xxxx
H
60–61
Total number of user-addres-
sable LBA sectors available
ST330631A = 59,777,640
ST320424A = 39,851,760
ST315324A = 29,888,820
ST310216A = 19,925,880
62
Retired
0000
H
63
Multiword DMA active and
modes supported (see note
following this table)
xx07
H
64
Advanced PIO modes sup-
ported (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
Word
Description
Value