Seagate ST34321A Product Manual - Page 35

Read Multiple or Write Multiple command

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Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B 27 Word Description Contents 59 Number of sectors transferred during a Read Multiple or Write Multiple command xxxxH Total number of user-addressable LBA sectors available: 60-61 16,809,660 (ST38641A) 12,706,470 (ST36531A) 8,404,830 (ST34321A) 6,303,024 (ST33221A) 4,124,736 (ST32110A) 7EBCH 0100H (ST38641A) E2A6H 00C1H (ST36531A) 3F5EH 0080H (ST34321A) 2D30H 0060H (ST33221A) F040H 003EH (ST32110A) 62 Retired 0000H 63 Multiword DMA active and modes supported (see note following this table) xx07H 64 Advanced PIO modes supported (modes 3 and 4 supported) 0003H 65 Minimum multiword DMA transfer cycle time per word (120 nsec) 0078H 66 Recommended multiword DMA transfer cycle time per word (120 nsec) 0078H 67 Minimum PIO cycle time without IORDY flow control (240 nsec) 00F0H 68 Minimum PIO cycle time with IORDY flow control (120 nsec) 0078H 69-74 ATA-reserved 0000H 75 Queue depth 0000H 76-79 ATA-reserved 0000H 80 Major version number 001EH 81 Minor version number 0000H 82 Command sets supported 3069H 83 Command sets supported 4001H continued

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Word
Description
Contents
59
Number of sectors transferred during a
Read Multiple or Write Multiple command
xxxx
H
60–61
Total number of user-addressable
LBA sectors available:
16,809,660 (ST38641A)
12,706,470 (ST36531A)
8,404,830
(ST34321A)
6,303,024
(ST33221A)
4,124,736
(ST32110A)
7EBC
H
0100
H
(ST38641A)
E2A6
H
00C1
H
(ST36531A)
3F5E
H
0080
H
(ST34321A)
2D30
H
0060
H
(ST33221A)
F040
H
003E
H
(ST32110A)
62
Retired
0000
H
63
Multiword DMA active and modes
supported (see note following this table)
xx
07
H
64
Advanced PIO modes supported
(modes 3 and 4 supported)
0003
H
65
Minimum multiword DMA transfer cycle
time per word (120 nsec)
0078
H
66
Recommended multiword DMA transfer
cycle time per word (120 nsec)
0078
H
67
Minimum PIO cycle time without
IORDY flow control (240 nsec)
00F0
H
68
Minimum PIO cycle time with IORDY
flow control (120 nsec)
0078
H
69–74
ATA-reserved
0000
H
75
Queue depth
0000
H
76–79
ATA-reserved
0000
H
80
Major version number
001E
H
81
Minor version number
0000
H
82
Command sets supported
3069
H
83
Command sets supported
4001
H
continued
Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B
27