Ricoh B089 - Page 846

B692/B694 18 SM
1. A copy job writes data to the HDD as far as cluster 32 [A].
2. When the copy job is finished, the data overwrite starts at cluster 32 [B] can
continues to overwrite each cluster twice with random data and once with a “0”.
1
0
1
1
1
2
1
3
1
4
15
1
6
6
5
4
3
2
1
2
3
2
4
2
5
2
6
2
7
2
8
2
2
2
1
2
0
1
9
1
8
1
7
.
.
.
.
3
2
3
1
3
0
2
9
7
9
8
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
17 18 19 20
21 22 23 24
25 26 27 28
29 30 31 32
B692D903A.WMF
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
17 18 19 20
21 22 23 24
25 26 27 28
9
8
1
0
1
1
1
2
1
3
1
4
15
1
6
7
6
5
4
3
2
1
2
3
2
4
2
5
2
6
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7
2
8
2
2
2
1
2
0
1
9
1
8
1
7
.
.
.
.
3
2
3
1
3
0
2
9
29 30 31 32
B692D904A.WMF
HDD Data Original Data
[A]
[B]