Samsung 3.5" hard disk drives Manuel D’Utilisation
DISK DRIVE OPERATION
SpinPoint V40 Product Manual
59
Table 6-6 IDENTIFY DEVICE information (continued)
Word Content
Description
Capabilities
Capabilities
15-14 Reserved
13
1=Standby timer values as specified in this standard are supported
0=Standby timer values shall be managed by the device
12 Reserved
11 1=IORDY
11 1=IORDY
supported
0=IORDY may be supported
10
1=IORDY may be disabled
9
Shall be set to one.
8
Shall be set to one.
49 0B00h
7-0 Retired
50 0000h
Reserved
51
0200h
PIO data transfer cycle timing mode
52
0200h
DMA data transfer cycle timing mode
15-3 Reserved
2
1=the fields reported in word 88 are valid
1
1=the fields reported in words 64-70 are valid
53 0007h
0
1=the fields reported in words 54-58 are valid
54
XXXXh Number of current logical cylinders
55
XXXXh Number of current logical heads
56
XXXXh Number of current logical sectors per track
57-58 XXXXh
Current capacity in sectors
Word 57 specifies the low world of the capacity
Current Multiple setting. Bit assignments
Word 57 specifies the low world of the capacity
Current Multiple setting. Bit assignments
15-9 Reserved
8
1=Multiple sector setting is valid
59 0XXXh
7-0
xxh=Current setting for number of sectors
60-61 XXXXh
Total number of user addressable sectors (LBA mode only)
Word 57 specifies the low world of the capacity
Word 57 specifies the low world of the capacity
62 0000h
Reserved
Multiword DMA Transfer Capability
Multiword DMA Transfer Capability
15-8
Multiword DMA transfer mode active
63 XX07h
7-0
(=7) Multiword DMA transfer modes supported (support mode 0 , 1 and 2)
Flow Control PIO Transfer modes supported
15-8 Reserved
64 0003h
7-0
(=3) Advanced PIO modes supported (‘11b’ = PIO Mode 3 and 4 Supported)
Minimum Multiword DMA transfer cycle time per word
65 0078h
15-0
Cycle time in nanoseconds (120ns, 16.6MB/S)
Manufacturer’s recommended Multiword DMA transfer cycle time
66 0078h
15-0
Cycle time in nanoseconds (120ns, 16.6MB/S)
Minimum PIO transfer cycle time without flow control
67 0078h
15-0
Cycle time in nanoseconds (120ns, 16.6MB/S)
Minimum PIO transfer cycle time with IORDY flow control
68 0078h
15-0
Cycle time in nanoseconds (120ns, 16.6MB/S)
69-79 0000h
Reserved
Major version number
Major version number
80 001Eh
15-0
(=1Eh) ATA-1, ATA-2, ATA-3 and ATA/ATAPI-4
Minor version number
81 0017h
15-0
(=17h) ATA/ATAPI-4 X3T13 1153D revision 17