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Full Version: How To Check Blown Efuse?
Scenyx Entertainment Community > Xbox360 Forums > Xbox 360 Hacking Forums > Technical IBM CPU, ATI Xenos GPU and Serial Buses Forum
NinJa9000
Is there any way to check for the blown eFuses? I'm not thinking about dashboard versions but a way to check through reading the NAND or something like that. Perhaps getting a certain error when trying to use JTAG?


Best regards
No_Name
If you have your CPU key to decrypt the NAND you can see when the LDV changes.
NinJa9000
Ok. Thanks man.

In this case it doesnīt help much because I donī have the CPU key and canīt get it. I have access to af lot of banned boxes with dash 8955 and I wanted to test if the eFuses is blown in all of them. Just to see, if there were a case of a dash 8955 without a blown eFuse. I know it is properly a waste of time but I would like to know for sure.
No_Name
QUOTE(NinJa9000 @ Jan 29 2010, 12:13 PM) *

Ok. Thanks man.

In this case it doesnīt help much because I donī have the CPU key and canīt get it. I have access to af lot of banned boxes with dash 8955 and I wanted to test if the eFuses is blown in all of them. Just to see, if there were a case of a dash 8955 without a blown eFuse. I know it is properly a waste of time but I would like to know for sure.

If they are all updated to an 8XXX dash then the Efuse is blown on them all.
NinJa9000
Yes I know that. But I also know that it is due to a software update and software is not always 100% reliable. Thatīs why I am looking for another way to test it without seeing at the software version. Or one who can explain to me why it is 100% sure they are blown when using 8955. smile.gif Iīm nok looking for a magic way to fix it. biggrin.gif
Joka Macer
Yes ninja, it will be a good information!!!

will get a parameter, I think if get more information about it. It is more easy to find more or a new solution.


Regards

Joka Macer
RRODXbox
QUOTE(NinJa9000 @ Jan 30 2010, 06:19 PM) *

Yes I know that. But I also know that it is due to a software update and software is not always 100% reliable. Thatīs why I am looking for another way to test it without seeing at the software version. Or one who can explain to me why it is 100% sure they are blown when using 8955. smile.gif Iīm nok looking for a magic way to fix it. biggrin.gif


Trust me, if the dash somehow got updated to 8xxx without blowing an efuse, the console would not boot.

I don't pretend to be an expert on the workings of the kernel but I do know there is a "is eFuse blown?" check in the update process. Much like the check that causes E80 if you update Blades dash to NXE with r6t3 removed,
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