Spinpoint M8-DVR OEM Product Manual REV 1.0
51

Word
Content
Description
2 1=the fields reported in word 88 are valid
1 1=the fields reported in words 64-70 are valid
0 1=th e fields reported in words 54-58 are valid (O bsolete)
54
XXXXh
Number of current logical cylinders (Obsolete)
55
XXXXh
Number of current logical heads (Obso lete)
56
XXXXh
Number of current logical sectors per t rack (Obsolete)
57-58
XXXXh
Current capacity in sectors, Word 57 specifies the low world of the capacity (Obsolete)

59
0XXXh
Current Multiple setting. Bit assignments
15-9 Reserved
8 1=Multiple sector setting is valid
7-0 xxh=Current setting for number of sectors
60-61
XXXXh
Total number of user addressable sectors (LBA mode only)
62
0000h
Obsolete

63
XX07h
Multiword DMA Transfer Capability
15-8 Multiword DMA transfer mode select
7-0 Multiword DMA transfer modes supported (support mode 0 , 1 and 2)

64

0003h
Flow Control PIO Transfer modes supported
15-8 Reserved
7-0 PIO modes supported (‘11b’ = PIO Mode 3 and 4 Supported)
65
0078h
Minimum Multiword DMA transfer cycle time per wo rd
15-0 Cycle time in nanoseconds (120ns, 16.6MB/S)
66
0078h
Manufacturer’s recommended Multiword DMA transfer c ycle time
15-0 Cycle time in nanoseconds (120ns, 16.6MB/S)
67
0078h
Minimum PIO transfer cycle time without flow control
15-0 Cycle time in nanoseconds (120ns, 16.6MB/S)
68
0078h
Minimum PIO transfer cycle time with IORDY f low
control
15-0 Cycle time in nanoseconds (120ns,
16.6MB/S)
69-79
0000h
Reserved
71-74
0000h
Reserved
75
001fh
Queue depth
15-5 Reserved
4-0 Maximum queue depth-1

76

1F06h
Serial ATA capabilities
15-11 Reserved
10 Supports Phy event counters
9 Supports receipt of host-initiated interface power management requests
8 Supports native command queuing
7-1 Supports Serial ATA signaling speed (3:6Gbps, 2:3Gbps, 1:1.5Gbps)
0 Reserved (cleared to 0)
77
0000h
Reserved for future Serial ATA definitio n

78

004Ch
Serial ATA feature
supported
15-7
Reserved
6 Supports software settings preservation
5 Reserved
4 Supports in-order d ata delivery
3 Supports device supports initiating interface power management
2 Supports DMA Setup Auto-Activate optimization
1 Supports non-zero buffer offsets in DMA Setup FIS
0 Reserved (set to 0)

79

0040h
Serial ATA feature enabled
15-7
Reserved
6 Software settings preservation enabled
5 Reserved
4 In-order data delivery enabled