ERROR INFORMATION EXAMPLE 2:
When the device is enabled and the Security feature is set, if the 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
:
04h
Sector count
= bit 3 is invalid: 03hCylinder low
= word 7 is invalid: 07hCylinder high
Signature (A5h)7-0
Checksum 15-8
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 contain the value A5h. Bits 15–8 of this word contain the data structure check-
sum. The data structure checksum is 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 is added with unsigned arithmetic, and overflow
is ignored. The sum of all bytes is zero when the checksum is correct.
Travelstar 60GH & 40GN hard disk drive specifications
114
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