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XboxHacker BBS > Research & Technical XboxHacking (Xbox 360) > Software (TECHNICAL) (Moderators: SiliconIce, Arakon, Redline99) > jasper 512mb => 16mb
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Author Topic: jasper 512mb => 16mb  (Read 2743 times)
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« on: December 16, 2009, 06:14:20 PM »
hi,
i want to change my nand from 512mb to 16mb with xbr (of course i also will change resistors)
please tell me where is kv and config in 512mb nand? in which blocks?

thanks in advance
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MRA
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« Reply #1 on: December 16, 2009, 07:56:50 PM »
The KV is at exactly the same location as in 16MB nandimages, so just use the same command to dump the rawkv.bin from the 512MB nand (if you use -r512 or -r16 command doesn´t make any difference). But the config seems to be somewhere else. No matter if I dump the config with nandpro, 360 Flash Tool or bincrypt I just get FFFFFFF...
Maybe someone else might have some more info on this.
« Last Edit: December 16, 2009, 08:21:50 PM by MRA » Logged
Neptune
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« Reply #2 on: December 21, 2009, 11:57:24 PM »
RawConfig is located at "ef7 2" for 256/512...It should be anyway. Tuxuser found it and posted that location on IRC. It seemed to work for me.

Correct command would be "nandpro lpt: rawconfig.bin ef7 2"
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http://www.vegasgamerepair.com/ - Vegas Game Repair
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« Reply #3 on: December 26, 2009, 06:24:22 AM »
thanks  Neptune
this locations also works for me.
now we must wait for xbr without no slowdowns...
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preaching
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« Reply #4 on: January 05, 2010, 10:38:50 AM »
Help me please,
I have Jasper 256, change nandchip 256 with nandchip 16 and change resistors for smallblock.
I extract from my orig.bin (256) KV.bin (from 1 1) and config.bin (from ef7 2).
I insert in xbr3a.bin(16) my kv (to 1 1) and my config (to 3de 2).
I flash new nandchip 16mb by LPT.
My console start but video no, and no ring green.
Please help me, where is my error?

Excuse my english.
« Last Edit: January 05, 2010, 10:44:53 AM by preaching » Logged
TRYMYZ
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« Reply #5 on: January 05, 2010, 10:47:53 AM »
If you flash a pre-built version of Xell specifically for the 16MB Jasper does the box boot up?  This would verify that your 16 MB nand is soldered properly and working. 
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preaching
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« Reply #6 on: January 05, 2010, 01:04:50 PM »
Quote from: TRYMYZ on January 05, 2010, 10:47:53 AM
If you flash a pre-built version of Xell specifically for the 16MB Jasper does the box boot up?  This would verify that your 16 MB nand is soldered properly and working. 

I flash Xbreboot for nand 16MB flashconfig=00023010.
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TRYMYZ
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« Reply #7 on: January 05, 2010, 01:48:19 PM »
Thats definitely the proper flashconfig for the 16MB Jasper.  I would flash jasper_6723_hack.bin to your box and see if that boots.  The reason I recommened trying this is because it does not rely on the KV or config.  If that works you know your nand is operating properly.  Then you can start looking at the KV you extracted from your original image.  Were there any bad blocks from your original nand?
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preaching
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« Reply #8 on: January 07, 2010, 08:49:43 AM »
I reflash console and start, with error 79  Huh.
I reflash nand and console is OK, dashboard OK, Xell OK  Grin.
TNX.
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