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26 U Series CE Family Product Manual, Rev. A
50 Device-specific standby
timer value
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 trans-
ferred during a Read Multiple
or Write Multiple command
xxxx
H
60–61 Total number of user-addres-
sable LBA sectors available
(see Section 2.2.3 for related
information)
ST380020ACE = 160,045,200
ST360020ACE = 120,033,900
ST340810ACE = 80,022,600
ST320410ACE = 40,011,300
62 Retired 0000
H
63 Multiword DMA active and
modes supported (see note
following this table)
xx
07
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
Word Description Value