Seagate ULTRA ATA ST320423A User Manual
Page 34
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)
xx07
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