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TASK INFO:   
        | Flash device type | 
        :  SD  | 
     
    
        | Controller marking  | 
        :  noname CN Memory SD card 2GB  | 
     
    
        | Number of memory chips  | 
        :  1  | 
     
    
        | Number of parts  | 
        :  1  | 
     
    
        | Memory chip marking  | 
        :  TC58NVG4D2ETG  | 
     
    
        | Memory chip ID | 
        :  0x98D59432  | 
     
    
        | Capacity(Mb) | 
        :  2048   | 
     
     |  
 
 本帖最后由 ACE技术支持2 于 2017-1-18 17:15 编辑  
 
【ILLUSTRATIONS】 
 
 
Variant 1 Author: d43 [99] 
 
Results of preparation: 
 | Initial memory chips (1) 
 |   | Copy in preparation results 
 
 |   | Page size transformation 
 
 |   | Block Rotate (Block Size 2048,Marker Pos 518,Id 1234,Mask 0x0FF0,Small Block 16) 
 
 |  
  
Algorithm of analysis: 
 | Block Number Type 1 [0000] 
| Marker Pos | 514 |  | Block Size | 2048 |  | Start analize | 0 |  | Mask | 0x0FFF |  | ID | 1234 |  | Full Block | YES |  
  
 |  
  
【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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