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Table 90 Device Configuration Overlay Data structure
Word
Content
0
0002h
Data Structure revision
1
Multiword DMA modes supported
15-3
Reserved
2
1 = Multiword DMA mode 2 and below are supported
1
1 = Multiword DMA mode 1 and below are supported
0
1 = Multiword DMA mode 0 is supported
2
Ultra DMA modes supported
15-7
Reserved
6
1 = Ultra DMA mode 6 and below are supported
5
1 = Ultra DMA mode 5 and below are supported
4
1 = Ultra DMA mode 4 and below are supported
3
1 = Ultra DMA mode 3 and below are supported
2
1 = Ultra DMA mode 2 and below are supported
1
1 = Ultra DMA mode 1 and below are supported
0
1 = Ultra DMA mode 0 is supported
3-6
Maximum LBA address
7
Command set/feature set supported
15
0 = Reserved
14
0 = Write Read Verify is supported
13
0 = Reserved
12
1 = SMART Selective self-test is supported
11
1 = Forced Unit Access is supported
10
0 = Reserved
9
1 = Streaming feature set is supported
8
1 = 48-bit Addressing feature set supported
7
1 = Host Protected Area feature set supported
6
1 = Auto Acoustic Management is supported
5
1 = Read/Write DMA Queued commands supported
4
1 = Power-up in Standby feature set supported
3
1 = Security feature set supported
2
1 = SMART error log supported
1
1 = SMART self-test supported
0
1 = SMART feature set supported
8
Serial ATA command / feature sets supported
15-8
Reserved
7
1 = Supports NCQ Send Receive Queued
6
1 = Supports NCQ Non-Data
5
1 = Supports Auto Partial to Slumber
4
1 = Supports software settings preservation
3
Reserved
2
1 = Supports interface power management
1
1 = Supports non-zero buffer offset in DMA Setup FIS
0
1 = Supports native command queuing
9-20
Reserved
21
15-14
Reserved
13
1 = Support for WRITE UNCORRECTABLE is allowed
12
Reserved
11
1 = Support Free Fall
10
1 = Support Data Set Management
9
1 = Extended Power Conditions feature set supported
8-0
Reserved
22-254
Reserved
255
Integrity word <Note .>
15-8
Checksum
7-0
Signature (A5h)
143
Hard Disk Drive Specification