Hitachi travelstar hds723020bla642 用户手册
7K200 SATA OEM Specification
113/173
Byte
7
6 5 4 3 2 1 0
0
00h
1
00h
2
00h
3
00h
4
5
5
Counter 0001h Identifier
6
7
7
Counter 0001h Value
8
9
9
Counter 0009h Identifier
10
11
11
Counter 0009 Value
12
13
13
Counter 000Ah Identifier
14
15
15
Counter 000Ah Value
16
17
17
Counter 000Bh Identifier
18
19
19
Counter 000Bh Value
20
21
21
Counter 000Dh Identifier
22
23
23
Counter 000Dh Value
24 00h
25 00h
26 - 510
25 00h
26 - 510
Reserved ( 00h )
511
Data Structure Checksum
Table 82 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.
checksum is correct.