Seagate ULTRA ATA ST310212A, Product Manual

Page: 34 / 42

26 U10 Family Product Manual, Rev. A
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 ST320423A = 40,011,300
ST315323A = 30,008,475
ST310212A = 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
65 Minimum multiword DMA
transfer cycle time per word
(120 nsec)
0078
H
Word Description Value