ERROR INFORMATION EXAMPLE 2:
If the device has enabled the Security feature set and if a user attempts to disable that feature, the device
aborts that command and returns an error reason code as below.
= now Security feature set is enabled
: 04hSector count
= bit 3 is invalid
: 03hCylinder low
= word 7 is invalid
: 07hCylinder high
Signature (A5h)7-0
Checksum15-8
Integrity word. See note below. 255
Reserved8-254
1 = SMART feature set supported0
1 = SMART self-test supported1
1 = SMART error log supported2
1 = Security feature set supported3
Reserved6-4
1 = Host Protected Area feature set supported7
Reserved15-8
Command set/feature set supported7
Maximum LBA address3-6
1 = Ultra DMA mode 0 is supported0
1 = Ultra DMA mode 1 and below are supported1
1 = Ultra DMA mode 2 and below are supported2
1 = Ultra DMA mode 3 and below are supported3
1 = Ultra DMA mode 4 and below are supported4
1 = Ultra DMA mode 5 and below are supported5
Reserved15-6
Ultra DMA modes supported2
1 = Multiword DMA mode 0 is supported0
1 = Multiword DMA mode 1 and below are supported1
1 = Multiword DMA mode 2 and below are supported2
Reserved15-3
Multiword DMA modes supported1
Data Structure revision0001h0
ContentWord
Figure 78. Device Configuration Overlay Data structure
Note: Bits 7:0 of this word shall contain the value A5h. Bits 15:8 of this word shall contain the data
structure checksum. The data structure checksum shall be the two's complement of the sum of all byte in
words 0 through 254 and the byte consisting of bits 7:0 of word 255. Each byte shall be added with
unsigned arithmetic, and overflow shall be ignored. The sum of all bytes is zero when the checksum is
correct.
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
116
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