Samsung 100737108-A 用户手册
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=the fields reported in words 54-58 are valid (Obsolete)
54
XXXXh
Number of current logical cylinders (Obsolete)
55
XXXXh
Number of current logical heads (Obsolete)
56
XXXXh
Number of current logical sectors per track (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 word
15-0
Cycle time in nanoseconds (120ns, 16.6MB/S)
66
0078h
Manufacturer’s recommended Multiword DMA transfer cycle 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 flow 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 definition
78
004Ch
Serial ATA feature supported
15-7
Reserved
6
Supports software settings preservation
5
Reserved
4
Supports in-order data 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