26
Barracuda ATA Family Product Manual, Rev. B
47
(Bits 7–0) Maximum sectors
per interrupt on Read multi-
ple and Write multiple (16)
8010
H
48
Reserved
0000
H
49
Standard Standby timer,
IORDY supported and may
be disabled
2F00
H
50
ATA-reserved
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
ST328040A = 55,704,096
ST327240A = 53,385,552
ST320430A = 40,079,088
ST313620A = 26,692,776
ST310220A = 20,005,650
ST36810A = 13,346,235
62
Retired
0000
H
63
Multiword DMA active and
modes supported (see note
following this table)
xx07
H
Word
Description
Value
Содержание Barracuda ATA Series
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