Product manual

26 U8 Family Product Manual, Rev. B
48 Reserved 0000
H
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
ST317221A = 33,683,328
ST313021A = 25,434,228
ST38410A = 16,841,664
ST34313A = 8,452,080
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