| IS917-5T538 ad de 94 eb 1×1 |
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Layout
IS917 1094_32 Xor 3c58_256
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Actions
Scan
Comments
Serg for forum 9364

Layout
IS917 1094_32 Xor 3c58_512
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3ff
Actions
Scan
Comments
by Arvika
MBR, FAT32 broken, need rebuild manually

Layout
IS917 1094_24 Xor 3c58_512
Mix
Input
Order 0/1
Join by Page
Parts 2
Page 0x800000
Cross Block
Field Block Number
Block 0x800000
Parts 2
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Mix 2/0x4000
Actions
Scan
Comments
Serg for forum 8261

Layout
IS917 1146_2_32 Xor f73c_128 Mod
Mix
Input
Order 0
Block Pair
Block 0x800000
Page 0x4000
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3ff
Actions
Scan
Comments
by Arvika
check conflicts

Layout
IS917 1122_32 Xor df3c_256_192 Mod
Mix
Input
Order 0
Block Pair
Block 0xc00000
Page 0x4000
Assembler
Block Number
Block Size 0x1800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x2e1
Actions
Scan
Comments
by Bolo

Layout
IS917 1122_32 Xor f73c_128 Mod
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Image Cut (0/0x18000/0x4000/0x8000/0x4000/0x8000/(0x8000/0x8000)*0x7c/0x4
000/0x8000/0x4000/0)*4
Banks 00 / 0x000 / 0x7ff
Actions
Scan
Comments
Serg for forum 11850

Layout
IS917 1100_32 Xor f73c_128
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Actions
Scan
Comments
Check Conflicts
Perfect Recovery
by Bolo

Layout
IS917 1122_32 Xor 3c58_512
Mix
Input
Order 0/1/2/3
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x1fff
Mix 4/0x4000
Actions
Scan
Comments
Serg for forum 9245
| IS917 2c 84 64 54 2×1 Ref |
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Layout
IS917 1122_32 Xor f73c_128 Mod
Mix
Input
Order 0/1
Block Pair
Block 0x800000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x4000
Image Cut 0x0/0x60000/(0x10000/0x20000)*2/(0x20000)*248/0x10000/0x20000/0
x10000/0x0
Banks 00 / 0x000 / 0x7ff
Mix 2 / 0x8000
Actions
Scan
Comments
Serg for forum 12033

Layout
IS917 1094_32 Xor f73c_128
Mix
Input
Order 0/1
Block Pair
Block 0x800000
Page 0x4000
Join by Page
Parts 2
Page 0x8000
Assembler
Block Number
Block Size 0x2000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Actions
Scan
Comments
Serg for forum 9380

Layout
IS917 1094_32 Xor f73c_128
Mix
Input
Order 0/1/2/3
Block Pair
Block 0x800000
Page 0x4000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x1fff
Mix 4 / 0x8000
Actions
Scan
Comments
Serg for forum 12004

Layout
IS917 1122_32 Xor 3c58_512
Mix
Input
Order 0/1
Block Pair
Block 0x800000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x4000
Banks 00 / 0x000 / 0xfff
Mix 2/0x8000
Actions
Scan
Comments
Serg for forum 9407

Layout
IS917 1122_32 Xor f73c_128 Mod
Mix
Input
Order 0/1/2/3
Block Pair
Block 0x800000
Page 0x4000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x1fff
Mix 4 / 0x8000
Actions
Scan
Comments
Serg for forum 12692
Image was not perfect

Layout
IS917 1094_32 Xor f73c_128 Mod
Mix
Input
Order 0/1
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Image Cut 0/(0x10000/0x8000/(0x8000/0x8000)*125/0x8000/0x10000)*4
Banks 00 / 0x000 / 0x1fff
Mix 2 / 0x4000
Actions
Scan
Comments
Serg for forum 11279

Layout
IS917 1100_32 Xor f73c_128 v2
Mix
Input
Order 2/3/0/1
Block Pair
Block 0x200000
Page 0x4000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3fff
Mix 4 / 0x8000
Actions
Scan
Comments
by Arvika
check conflicts
chip order can be other

Layout
IS917 1094_32 Xor f73c_128
Mix
Input
Order 1/0
Block Pair
Block 0x400000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0xfff
Mix 2/0x8000
Actions
Scan
Comments
Serg for forum 9219

Layout
IS917 1094_32 Xor 3c58_256
Mix
Input
Order 0/1
Block Pair
Block 0x200000
Page 0x2000
Block Pair
Block 0x200000000
Page 0x400000
Join by Page
Parts 2
Page 0x800000
Cross Block
Field Block Number
Block 0x400000
Parts 4
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x1fff
Mix 4/0x4000
Actions
Scan
Comments
Serg for forum 10017

Layout
IS917 1094_32 Xor 3c58_256
Mix
Input
Order 0/1/2/3
Block Pair
Block 0x200000
Page 0x2000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3fff
Mix 4/0x4000
Actions
Scan
Comments
Serg for forum 9100
Layout
IS917 1094_32 Xor 3c58_256
Mix
Input
Order 0/1/2/3
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x200000
Bank Space 0x40000
Banks 00 / 0x000 / 0x7fff
Mix 4/0x2000
Actions
Scan
Comments
by Serg

Layout
IS917 1094_32 Xor 3c58_256
Mix
Input
Order 2/3/0/1
Block Pair
Block 0x200000
Page 0x2000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3fff
Mix 4/0x4000
Actions
Scan
Comments
Serg for forum 10115
Dump order can be other
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Layout
IS917 1100_32 Xor f73c_256 Mod v2
Mix
Input
Order 0
Block Pair
Block 0x82c000000
Page 0x400000
Cross Block
Field Block Number
Block 0x400000
Parts 2
Step 1
Assembler
Block Number
Block Size 0x400000
Bank Space 0x40000
Banks 00 / 0x000 / 0x4160
Mix 2 / 0x4000
Actions
Scan
Comments
by Serg & Bolo
Check Conflicts !
Perfect Recovery !
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Layout
IS917 1100_32 Xor f73c_256 Mod v2
Mix
Input
Order 0
Block Pair
Block 0x400000
Page 0x4000
Block Pair
Block 0x800000000
Page 0x800000
Cross Block
Field Block Number
Block 0x800000
Parts 2
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x1fff
Mix 2 / 0x8000
Actions
Scan
Comments
Serg for forum 10877

Layout
IS917 1122_32 Xor df3c_256_192 Mod
Mix
Input
Order 0
Cut Bad Bytes
Block Pair
Block 0x600000
Page 0x4000
Assembler
Block Number
Block Size 0xc00000
Bank Space 0x4000
Banks 00 / 0x000 / 0x4ff
Actions
Scan
Comments
by Arvika
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Layout
IS917 1142_32 Xor df3c_256
Mix
Input
Order 0/1
Block Pair
Block 0x600000
Page 0x4000
Join by Page
Parts 2
Page 0xc00000
Cross Block
Field Block Number
Block 0xc00000
Parts 2
Assembler
Block Number
Block Size 0xc00000
Bank Space 0x4000
Banks 00 / 0x000 / 0xb4a
Mix 2/0x8000
Actions
Scan
Comments
Serg for forum 9525
Developer notes:
Cross block used because
number of blocks in dump is odd
and Cross Bank do not work
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Layout
IS917 1122_32 Xor df3c_256_192 Mod
Mix
Input
Order 0/1
Software Bad Bytes
Block 384
Group 2
Block Insert
Block 0x600000
At 0xb4b
Block Pair
Block 0x600000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0xc00000
Bank Space 0x4000
Banks 00 / 0x000 / 0xb4a
Mix 2/0x8000
Actions
Scan
Comments
Serg for forum 10780
Use Block Insert because
dump have odd (0xb4b) number of 0x600000 blocks

Layout
IS917 1094_32 Xor f73c_128 Mod
Mix
Input
Order 0/1
Block Pair
Block 0x200000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Image Cut 0/(0x20000/0x10000/(0x10000/0x10000)*61/0x10000/0x20000)*4
Banks 00 / 0x000 / 0xfff
Mix 2 / 0x8000
Actions
Scan
Comments
Serg for forum 10773

Layout
IS917 1100_32 Xor f73c_128
Mix
Input
Order 0
Block Pair
Block 0x400000
Page 0x4000
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3ff
Actions
Scan
Comments
Serg for forum 8238
Layout
IS917 1094_32 Xor 3c58_256
Mix
Input
Order 0
Block Pair
Block 0x400000
Page 0x4000
Assembler
Block Number
Block Size 0x800000
Banks 00 / 0x000 / 0x3ff
Actions
Scan
Comments
by Arvika
check conflicts

Layout
IS917 1100_32 Xor f73c_128
Mix
Input
Order 0
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Actions
Scan
Comments
Serg for forum 9633

Layout
IS917 1094_32 Xor f73c_128 Mod
Mix
Input
Order 0
Block Pair
Block 0x400000
Page 0x4000
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3ff
Actions
Scan
Comments
Serg for forum 10768

Layout
IS917 1094_32 Xor f73c_128 Mod
Mix
Input
Order 0/1/2/3
Block Pair
Block 0x400000
Page 0x4000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0xfff
Mix 4/0x8000
Actions
Scan
Comments
by Arvika
MBR, FAT erased. Dirs aligned.
Save image, scan by any soft

Layout
IS917 1094_32 Xor f73c_128
Mix
Input
Order 0
Block Pair
Block 0x800000
Page 0x4000
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3ff
Actions
Scan
Comments
Serg for forum 9878
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Layout
IS917 1094_32 Xor 3c58_512
Mix
Input
Order 1/0
Block Pair
Block 0x800000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x1000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Mix 2/0x8000
Actions
Scan
Comments
Serg for forum 8732
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Layout
IS917 1094_32 Xor 3c58_512
Mix
Input
Order 0/1
Join by Page
Parts 2
Page 0x800000
Cross Block
Field Block Number
Block 0x800000
Parts 2
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0xfff
Mix 2/0x4000
Actions
Scan
Comments
by Arvika
check conflicts

Layout
IS917 1094_32 Xor f73c_128
Mix
Input
Order 1/0
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0xfff
Mix 2 / 0x4000
Actions
Scan
Comments
Serg for forum 11516

Layout
IS917 1072_32 Xor f73c_128
Mix
Input
Order 0/1/2/3
Block Pair
Block 0x200000
Page 0x2000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x1fff
Mix 4 / 0x4000
Actions
Scan
Comments
Serg for forum 11181
Layout
IS917 1146_2_32 Xor f73c_256 Mod
Mix
Input
Order 0/1
Block Pair
Block 0x1000000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x2000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Mix 2/0x8000
Actions
Scan
Comments
Serg for forum 10586

Layout
IS917 1146_2_32 Xor f73c_128
Mix
Input
Order 0/1
Block Pair
Block 0x1000000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x2000000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Mix 2/0x8000
Actions
Scan
Comments
by Arvika
check conflicts

Layout
IS917 1072_32 Xor 3c58_256
Mix
Input
Order 0/1/2/3
Block Pair
Block 0x200000
Page 0x2000
Join by Page
Parts 4
Page 0x400000
Cross Block
Field Block Number
Block 0x400000
Parts 4
Assembler
Block Number
Block Size 0x400000
Bank Space 0x4000
Banks 00 / 0x000 / 0x3fff
Mix 4/0x4000
Actions
Scan
Comments
Serg for forum 8575
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Layout
IS917 1094_32 Xor f73c_128 Mod
Mix
Input
Order 0
Block Pair
Block 0x400000
Page 0x4000
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Image Cut (0/0x10000/0x8000/(0x8000/0x8000)*125/0x8000/0x10000/0)*4
Banks 00 / 0x000 / 0x7ff
Actions
Scan
Comments
Serg for forum 11249
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Layout
IS917 1094_32 Xor f73c_128
Mix
Input
Order 0/1
Block Pair
Block 0x400000
Page 0x4000
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0xfff
Mix 2 / 0x8000
Actions
Scan
Comments
Serg for forum 10700

Layout
IS917 1100_32 Xor f73c_128 Mod
Mix
Input
Order 0/1/2/3
Block Pair
Block 0x400000
Page 0x4000
Cross Dump
Field Block Number
Parts 4
Step 1
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x9ff
Mix 4 / 0x8000
Actions
Scan
Comments
by Arvika
check conflicts

Layout
IS917 1122_32 Xor 3c58_512
Mix
Input
Order 0/1
Cross Dump
Field Block Number
Parts 2
Step 1
Assembler
Block Number
Block Size 0x800000
Bank Space 0x4000
Banks 00 / 0x000 / 0x7ff
Mix 2 / 0x4000
Actions
Scan
Comments
Serg for forum 11171
常见问题解答
IS917主控的ID 94 EB和2C 64 64 3C分别代表什么?
IS917主控的ID 94 EB和2C 64 64 3C是闪存颗粒的识别码(Flash ID)。94 EB通常对应某款1×1 nm工艺的闪存,而2C 64 64 3C是另一款闪存的ID。这些ID在数据恢复中用于确定闪存的类型、容量和通道配置,从而匹配正确的提取算法和布局参数,是Flash Extractor工具进行底层数据读取的关键依据。
IS917的Xor 3c58_256和Xor 3c58_512有什么区别?
Xor 3c58_256和Xor 3c58_512是IS917主控的XOR(异或)算法变体,区别在于XOR操作的数据块大小。256表示按256字节块进行异或处理,512则按512字节块处理。这种差异源于闪存页大小或ECC配置不同。在数据恢复时,必须选择正确的XOR值,否则读取的数据会因解扰错误而无法重组,导致恢复失败。
IS917的MBR和FAT32损坏时如何手动重建?
当IS917设备的MBR和FAT32损坏时,手动重建需先用Flash Extractor提取完整的原始镜像,然后分析分区表起始位置和FAT表结构。由于FAT32的根目录和簇链信息可能残留,可通过搜索文件签名(如JPEG头)定位数据区,再根据FAT表项重建目录和文件分配。建议使用工具中的Assembler功能,按Block Number和Bank Space参数重新组织数据,最后修复引导扇区。