Hitachi 7K320 Specifications - Page 115
Counter 000Bh Value
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7K320 (SATA) OEM Specification Byte 7 6 5 4 3 2 1 0 0 00h 1 00h 2 00h 3 00h 4 Counter 0001h Identifier 5 6 Counter 0001h Value 7 8 Counter 0009h Identifier 9 10 Counter 0009 Value 11 12 Counter 000Ah Identifier 13 14 Counter 000Ah Value 15 16 Counter 000Bh Identifier 17 18 Counter 000Bh Value 19 20 Counter 000Dh Identifier 21 22 Counter 000Dh Value 23 24 00h 25 00h 26 - 510 Reserved ( 00h ) 511 Data Structure Checksum Table 84 Phy Event Counter information The Data Structure Checksum (Byte 511) contains the 2's complement of the sum of the first 511 bytes in the data structure. The sum of all 512 bytes of the data structure will be zero when the checksum is correct. Page 115 of 176
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7K320 (SATA) OEM Specification
Page 115 of 176
Byte
7
6
5
4
3
2
1
0
0
00h
1
00h
2
00h
3
00h
4
5
Counter 0001h Identifier
6
7
Counter 0001h Value
8
9
Counter 0009h Identifier
10
11
Counter 0009 Value
12
13
Counter 000Ah Identifier
14
15
Counter 000Ah Value
16
17
Counter 000Bh Identifier
18
19
Counter 000Bh Value
20
21
Counter 000Dh Identifier
22
23
Counter 000Dh Value
24
00h
25
00h
26 - 510
Reserved ( 00h )
511
Data Structure Checksum
Table 84 Phy Event Counter information
The Data Structure Checksum (Byte 511) contains the 2’s complement of the sum of the first 511
bytes in the data structure.
The sum of all 512 bytes of the data structure will be zero when the
checksum is correct.