PC3000 军达成数据恢复论坛

标题: 【USB Flash】PS2251 50-F [打印本页]

作者: 发贴22号 时间: 2011-11-9 08:48:46 标题: 【USB Flash】PS2251 50-F

本帖最后由 82628688 于 2017-1-22 14:36 编辑

【ILLUSTRATIONS】

Variant 1 Author: GreyDKang [139]

Results of preparation:

Initial memory chips (1)

Parts of memory chips (2)

Page XOR transformation (ID_XOR 38)

Page size transformation

Split by block (Block Size 3072)

Join by block for pairs (Block Size 16)

Join by block for pairs (Block Size 32)

Algorithm of analysis:

Block Number Type 1 [0000]

Marker Pos	514
Block Size	12288
Start analize	0
Mask	0x0FFF
ID	1234
Full Block	NO

【Page size transformation】
Page size 8576
Sector size 562
Structure
0-512;1024-50;
512-512;1024-50;
1074-512;1024-4;2098-46;
1586-512;1024-4;2098-46;
2144-512;1024-4;3168-46;
2656-512;1024-4;3168-46;
3214-512;1024-4;4238-46;
3726-512;1024-4;4238-46;
4284-512;1024-4;5308-46;
4796-512;1024-4;5308-46;
5354-512;1024-4;6378-46;
5866-512;1024-4;6378-46;
6424-512;1024-4;7448-46;
6936-512;1024-4;7448-46;
7494-512;1024-4;8518-46;
8006-512;1024-4;8518-46;

【Solution file】

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