| FC8708 3 89 d7 94 3e 1×1 |
Layout
AU6990 1078
Mix
Input
Order 0
Block Cut
Block 0x16000/0x2000/0x68000/0x0
Assembler
Block Number
Block Size 0x7e000
Bank Space (0x400)*4/0x1000
Actions
Scan
Find Bank Size
Comments
by Vlad forum 4779
perfect recovery
| FC8708-3 98 dc 84 a5 1×1 ref |
Layout
AU6988 1056
Mix
Input
Order 0
Block Cut
Block 0x800/0x800
Assembler
Block Number
Block Size 0x20000
Bank Space 0x400
Banks 00 / 0x000 / 0x1ff
Actions
Scan
Comments
Serg for forum 6143
Not sure about bank space
And bank size
| FC8708-4 89 d7 d5 3e 1×2 |
Layout
AU6990 1078
Mix
Input
Order 0/1
Join by Dump
Parts 2
Assembler
Block Number
Block Size 0x80000
Bank Space 0x400
Actions
Scan
Find Bank Size
Comments
Serg for forum 8703
| FC8708 2c 68 04 46 1×1 |
Layout
AU6990 1078
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x100000
Bank Space 0x400
Banks
00 / 0x000 / 0x1d6
01 / 0x000 / 0x1dc
02 / 0x000 / 0x1d6
03 / 0x000 / 0x1d6
Actions
Scan
Comments
Vlad for forum 4407
100% recovery
| FC8708 2c 88 04 4b 1×1 |
Layout
AU6990 1078
Mix
Input
Order 0
Block Cut
Block 0x1E4000/0x6000/0x2000/0x14000
Assembler
Block Number
Block Size 0x1e6000
Bank Space 0x400
Banks 00..03 / 0x000 / 0x3f7
Actions
Scan
Comments
by Arvika
| FC8708 98 d3 94 ba 1×1 |
Layout
AU6990 1078
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x80000
Bank Space 0x200
Actions
Scan
Find Bank Size
Comments
by Vlad forum 5072
some files were broken
| FC8708 98 d7 94 32 1×1 ref |
Layout
AU6990 1078 Xor 6771_256_v2
Mix
Input
Order 0
Block Cut
Block 0x1400/0xc00
Block Cut
Block 0x94c00/0xb400
Assembler
Block Number
Block Size 0x94c00
Bank Space 0x400
Actions
Scan
Find Bank Size
Comments
by Vlad forum 5108
perfect recovery after
Sector Mutate for blocks
Sector In 43200/8640/216000/8640/190080/8640/138240/8640/8640/8640/120960/86
40/146880/8640/43200/8640/120960/8640
Sector Out 1028160/77760
Sector Mutate for pages
Sector In 1078/2156/1078/1078/3234/16
Sector Out 5390/3250
| FC8708 ec d7 94 7a 1×1 |
Layout
AU6990 1078 Xor 6771_256_v2
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x100000
Bank Space 0x400
Banks 0..3 / 0x000 / 0x3ba
Actions
Scan
Comments
Serg for order 908
| FC8708 ec d7 94 7a 1×1 v2 |
Layout
AU6990 1078
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x100000
Bank Space 0x400
Actions
Scan
Find Bank Size
Comments
By Arvika
Very good recovery
| FC8708 ec d7 d5 29 1×4 |
Layout
AU6990 1078
Mix
Input
Order 0/1/2/3
Join by Dump
Parts 4
Assembler
Block Number
Block Size 0x80000
Bank Space 0x400
Actions
Scan
Find Bank Size
Comments
by HDDRCVR
perfect recovery after bank size correction
常见问题解答
FC8708在数据恢复中代表什么？
FC8708是Flash Extractor工具中用于识别和解析特定闪存芯片型号的代码。文章中的FC8708-3和FC8708-3（第二个）对应不同版本的芯片布局，如AU6990和AU6988控制器。这些代码帮助恢复工程师定位闪存的Bank、Block和页大小等参数，从而正确提取数据。
如何根据FC8708的布局参数进行数据恢复？
根据文章，FC8708的布局参数包括Mix Input Order、Block Cut、Assembler Block Number和Bank Space等。例如，AU6990的Block Cut为0x16000/0x2000/0x68000/0x0，Bank Space为(0x400)*4/0x1000。恢复时需按这些参数扫描和组装块，并执行Scan Find Bank Size操作，以确定正确的数据映射。
FC8708-3与FC8708-3的差异对恢复有何影响？
文章显示两个FC8708-3版本分别对应AU6990和AU6988控制器，它们的布局参数不同（如Block Size分别为0x7e000和0x20000，Bank Space分别为(0x400)*4/0x1000和0x400）。这些差异影响恢复时的块切割和银行映射方式，需要分别采用对应参数进行扫描，否则可能导致数据错位或恢复失败。评论中提到的’perfect recovery’和’Not sure about bank’也反映了不同版本的成功率差异。