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Word Description Contents
61 LBA sectors available (continued)
0060
H
(ST33240A)
007C
H
(ST32531A)
62 ATA-obsolete 0000
H
63
Multiword DMA active and modes supported
(see note following this table)
0
x
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 (383 nsec)
017F
H
68
Minimum PIO cycle time with IORDY flow
control
(120 nsec)
0078
H
69–127 ATA-reserved 0000
H
128–159 Seagate-reserved
xxxx
H
160–255 ATA-reserved 0000
H
Note.
The following DMA mode settings are used in word 63 of the
Identify Drive command:
Word Bit Description (if bit is set to 1)
63 0 Multiword DMA mode 0 available
63 1 Multiword DMA mode 1 available
63 2 Multiword DMA mode 2 available
63 8 Multiword DMA mode 0 currently active
63 9 Multiword DMA mode 1 currently active
63 10 Multiword DMA mode 2 currently active
Medalist 3240 and Medalist 2531 Product Manual, Rev. A 27