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Add new info about configuration dump gen4 GTU and description of unknown command
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1 changed files with 19 additions and 2 deletions
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@ -1091,6 +1091,7 @@ CF <passwd> C6 // Dump configuration
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CF <passwd> CC // Factory test, returns 6666
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CF <passwd> CD <1b block number><16b block data> // Backdoor write 16b block
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CF <passwd> CE <1b block number> // Backdoor read 16b block
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CF <passwd> CF <1b param> // Unknown
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CF <passwd> F0 <30b configuration data> // Configure all params in one cmd
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CF <passwd> F1 <30b configuration data> // Configure all params in one cmd and fuse the configuration permanently
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CF <passwd> FE <4b new_password> // change password
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@ -1379,6 +1380,20 @@ Example: write block0 with factory data, default pwd
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hf 14a raw -s -c -t 1000 CF00000000CD00112233441C000011778185BA18000000
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```
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### Unknown command
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^[Top](#top) ^^[Gen4](#g4top)
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This command modifies one byte in configuration dump, but purpose one is unknown.
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```
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hf 14a raw -s -c -t 1000 CF<passwd>CF<1b param>
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```
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* `<param>`
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* `??`: ???
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Example:
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hf 14a raw -s -c -t 1000 CF00000000CF02
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### Change backdoor password
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^[Top](#top) ^^[Gen4](#g4top)
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@ -1405,8 +1420,10 @@ hf 14a raw -s -c -t 1000 CF<passwd>C6
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```
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Default configuration:
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```
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00000000000002000978009102DABC191010111213141516040008004F6B
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^^^^ ??
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00000000000002000978009102DABC191010111213141516040008006B024F6B
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^^^^ ??
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^^ cf cmd cf: ?? this byte set by cmd cf<pwd>cf<param>, factory value 0x02
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^^ cf cmd 6b: maximum read/write sectors, factory value 0x6b
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^^ cf cmd 6a: UL mode
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^^^^^^ cf cmd 35: ATQA/SAK
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cf cmd 34: ATS length & content
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