Seagate Medalist ST3636A Product Manual page 63

Command Set
Technical Reference Manual
Word : Description:
(hex)
bits 15-8
63
bits 7-3
bit 2
bit 1
bit 0
bits 15-8
64
bits 7-2
bit 1
bit 0
65
Minimum multiword DMA transfer cycle time per word (ns)
66 Recommended multiword DMA transfer cycle time (ns)
67 Minimum PIO transfer cycle time without flow control (ns)
68
Minimum PIO transfer cycle time with IORDY flow control (ns)
69-79
Reserved
Major Version number (0000
80
version)
bits 15
bits 14-6 0 = (reserved for future ATA specifications)
bit 5
bit 4
bit 3
bit 2
bit 1
Minor version number
81
FFFF
H
000A -FFFE
H
0009
H
0008
H
0007
H
0006
H
0005
H
0004
H
0003
H
0002
H
0001
H
0000
H
01 hex = Multiword DMA transfer mode active
reserved for future Multiword DMA transfer modes**
1 = Multiword DMA transfer Mode 2 supported
0 = Multiword DMA transfer Mode 2 NOT supported
1 = Multiword DMA transfer Mode 1 supported
0 = Multiword DMA transfer Mode 1 NOT supported
1 = Multiword DMA transfer Mode 0 supported
0 = Multiword DMA transfer Mode 0 NOT supported
Reserved
reserved for future Advanced PIO Modes***
1 = PIO Mode 4 supported
0 = PIO Mode 4 not supported
1 = PIO Mode 3 supported
0 = PIO Mode 3 not supported
or FFFF
H
0 = (reserved)
0 = (reserved for ATA-5)
1 = supports ATA-4
1 = supports ATA-3
1 = supports ATA-2
1 = supports ATA-1
device does not support version
(reserved)
H
ATA-2 X3T10 948D revision 3
ATA-2 X3T10 2008D revision 0
ATA-2 X3T10 948D revision 2k
ATA-3 X3T10 2008D revision 1
ATA-2 X3T10 948D prior to revision 2k
(reserved)
ATA-1 X3T9.2 781D prior to revision 4
(reserved)
ATA-1 X3T9.2 781D prior to revision 4
device does not support version
Chapter 7
= device does not report
H
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