Seagate Barracuda ATA II Family Product Manual page 33

26 Barracuda ATA II Family Product Manual, Rev. B
Word Description
50 ATA-reserved
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
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)
Value
0000
H
0200
H
0200
H
0007
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
ST330630A = 59,777,640
ST320420A = 39,851,760
ST315320A = 29,888,820
ST310210A = 19,925,880
0000
H
xx 07
H
0003
H
0078
H
0078
H