26 U Series 5 Family Product Manual, Rev. B
49 Standard Standby timer,
IORDY supported and may
be disabled
2F00
H
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)
ST340823A = 78,165,360
ST330621A = 58,633,344
ST320413A = 39,102,336
ST315311A = 30,008,475
ST310211A = 20,005,650
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
Word Description Value
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