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jtag nand on 360
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eggman14
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_ 		30. July 2010 @ 01:51 _ Link to this message    Send private message to this user   
i have looked around a bit and assume you cant do the following but no one says why.

if you bridge out the efuses with wire or solder then why could i not use a good nand dump on more than one console as they become offline when they are jtag?
i probably sound stupid but am interested to know why and if anyone has tried it.

thanks in advance for any positive replies

eggman
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miketrev
AfterDawn Addict

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_ 		30. July 2010 @ 04:20 _ Link to this message    Send private message to this user   
The Efuses contain the actual CPU key, so bridging them wont work sorry. You can do a NAND dump on any dash revison, but because the efuses are blown the JTAG hack will not work


AFAIK.
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eggman14
Member
_ 		30. July 2010 @ 11:19 _ Link to this message    Send private message to this user   
Originally posted by miketrev:
 The Efuses contain the actual CPU key, so bridging them wont work sorry. You can do a NAND dump on any dash revison, but because the efuses are blown the JTAG hack will not work


AFAIK.
thanks for the reply so efuses are not a physical fuse but an eprom or flash memory that destroys itself when written with unsigned code?
to downgrade cant an official dash update be hacked?
im just asking questions to get a better understanding of the process.

thanks again for the info
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miketrev
AfterDawn Addict

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_ 		1. August 2010 @ 16:42 _ Link to this message    Send private message to this user   
Originally posted by eggman14:
 thanks for the reply so efuses are not a physical fuse but an eprom or flash memory that destroys itself when written with unsigned code?
Not exactly.

Originally posted by eggman14:
 to downgrade cant an official dash update be hacked?
No

Originally posted by eggman14:
 im just asking questions to get a better understanding of the process.
If you want to learn the technical aspects, Here is a good place to start.
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To get instant assistance with Flashing / JTAG / Homebrew from experts for free! click me (Im not one of the said experts BTW)

Make poverty history, cheaper drugs NOW!

This message has been edited since posting. Last time this message was edited on 1. August 2010 @ 16:44
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eggman14
Member
_ 		2. August 2010 @ 12:49 _ Link to this message    Send private message to this user   
thanks miketrev i have read a bit and realised it is way more technical than i can comprehend but i am still learning bits from it.
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