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Author Topic: Boxxdr Method For Installing Transistor Jtag  (Read 551 times)

syntaxerror329

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Boxxdr Method For Installing Transistor Jtag
« Reply #30 on: October 20, 2010, 12:55:00 AM »

QUOTE(JBoxMods @ Oct 19 2010, 07:47 PM) View Post

So has anything of this sort been established for xenon boards?  we just run the wiring to the corresponding places on the board, only replacing components right?


Yes, you are right. I keep forgetting to post a picture of a Xenon done with transistors.
Maybe you could do it and post one for me smile.gif
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AZImmortal

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Boxxdr Method For Installing Transistor Jtag
« Reply #31 on: October 22, 2010, 12:39:00 PM »

Did you use an smc.bin that was patched to use AUD_CLAMP?
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syntaxerror329

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Boxxdr Method For Installing Transistor Jtag
« Reply #32 on: October 22, 2010, 12:52:00 PM »

QUOTE(fanni @ Oct 22 2010, 12:55 PM) View Post

Finally just got round to wiring up my troublesome jasper

But it no longer boots into xellous for me?

Do I need to flash a different xellous via lpt to get it booting?

Great tut BTW

will stick some pics up of my instal once i get the bloody thing running lol

BTW I previously had it done the diode method but on odd occasions it would give strange green lights and not boot then the other day it just refused to boot at all so reflashed xellous over lpt and used that to flash my freeboot image over

Just wondering if maybe I have another issue somewhere else?


Check out the tutorial at > https://docs.google....mv5h_30dw33vpf4

Read step 6

You will need to download the "Patched SMC and XeLLous images for Zephyr, Jasper, & Falcon:" Links are in the tutorial.

You will also need to build a custom FreeBOOT as AZImmortal has suggested and replace your smc.bin with a patched smc.bin also found in the above suggested download.

Once you figure all this stuff out once it should be really easy for you.

Good luck!
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fanni

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Boxxdr Method For Installing Transistor Jtag
« Reply #33 on: October 24, 2010, 10:30:00 AM »

Right still got a bug with this console which is doing my head in now

Have had  the console running fine over hdmi but if the console is turned off for a while when i turn it back on i get no video output over hdmi but if i use the component leads it's fine?

Once i get it going again with the component leads i can turn off and it will then work with the hdmi lead until i turn it off for a bit and i'll have to repeat the process again to get the hdmi working

Once i had it boot as if it was all pixelated not in a 3rlod way but as if the screen resolution was way out everything was really blocky?

Think i may just flash my original 7371 on and start from scratch again

Unless someone else has any ideas
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haychis

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Boxxdr Method For Installing Transistor Jtag
« Reply #34 on: October 24, 2010, 07:02:00 PM »

I've done 3 xenons with this method and they haven't missed a beat. Something I have noticed though, is that it seems to boot up a little quicker ? Don't know if it's related or not .. i'm doing another xenon within the next week .. might post some pics ...
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fanni

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Boxxdr Method For Installing Transistor Jtag
« Reply #35 on: October 25, 2010, 01:09:00 AM »

If the console is plugged in with the component lead then it's stable and will boot everytime

Just get the problem over hdmi I get a solid green light and the green ring flashes as normal just no video unless I use component then hdmi
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MadBoxer

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Boxxdr Method For Installing Transistor Jtag
« Reply #36 on: November 04, 2010, 03:13:00 AM »

This method looks very promising. I have a 2 jaspers arriving next week that I'm going to try this on. after reading the posts, I have one concern.

I noticed a couple people on this forum say you should update existing jtag wiring using this method if you are having problems. Should I still do this if my boxes are working fine? I've only had 1 of 3 show strange green lights one time, but other than that, they are all flawless (never had e79 error). I dont understand everything in the Xbox 360 SMC I/O Config Utility pdf, but (Correct me if I'm wrong) it seems like the smc method dissconects the SMC when the 3.3v travels through it? Since the old wiring method doesn't do this, can this old wiring potentially damage the box over time? If so, am I correct that I should update all old wiring to prevent possible future damage?

I used this wiring method on my falcon:
http://boxxdr.com/boxxdr_jtag.jpg

I used the standard wiring for my other two xenons.
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syntaxerror329

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Boxxdr Method For Installing Transistor Jtag
« Reply #37 on: November 04, 2010, 08:17:00 AM »

QUOTE(MadBoxer @ Nov 4 2010, 05:13 AM) View Post

This method looks very promising. I have a 2 jaspers arriving next week that I'm going to try this on. after reading the posts, I have one concern.

I noticed a couple people on this forum say you should update existing jtag wiring using this method if you are having problems. Should I still do this if my boxes are working fine? I've only had 1 of 3 show strange green lights one time, but other than that, they are all flawless (never had e79 error). I dont understand everything in the Xbox 360 SMC I/O Config Utility pdf, but (Correct me if I'm wrong) it seems like the smc method dissconects the SMC when the 3.3v travels through it? Since the old wiring method doesn't do this, can this old wiring potentially damage the box over time? If so, am I correct that I should update all old wiring to prevent possible future damage?

I used this wiring method on my falcon:
http://boxxdr.com/boxxdr_jtag.jpg

I used the standard wiring for my other two xenons.


If you are not getting any error's then you are probably just fine to leave things alone. Personnaly I updated all of my xbox's to use this new wiring. Both methods i think are electrically safe to use but the transistor method does disconnect once the payload is injected so it is by far the best. And of course using aud_clamp eliminated any ROL issues.
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MadBoxer

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Boxxdr Method For Installing Transistor Jtag
« Reply #38 on: November 06, 2010, 07:09:00 PM »

QUOTE(syntaxerror329 @ Nov 4 2010, 07:17 AM) View Post

If you are not getting any error's then you are probably just fine to leave things alone. Personnaly I updated all of my xbox's to use this new wiring. Both methods i think are electrically safe to use but the transistor method does disconnect once the payload is injected so it is by far the best. And of course using aud_clamp eliminated any ROL issues.


My two jaspers arrived today and I started the transistor jtag method. They ended up not having internal memory. YAH! I've never worked on small jaspers before (I hate large nands!) and I wanted to verify that they are 16mb like all other boards? Before dumping with nandpro I want to make sure the commands are the same as other 16mb nands "nandpro lpt: -r16 Filename.bin"
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syntaxerror329

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Boxxdr Method For Installing Transistor Jtag
« Reply #39 on: November 06, 2010, 07:23:00 PM »

QUOTE(MadBoxer @ Nov 6 2010, 09:09 PM) View Post

My two jaspers arrived today and I started the transistor jtag method. They ended up not having internal memory. YAH! I've never worked on small jaspers before (I hate large nands!) and I wanted to verify that they are 16mb like all other boards? Before dumping with nandpro I want to make sure the commands are the same as other 16mb nands "nandpro lpt: -r16 Filename.bin"


Yes, all the command are the same.
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MadBoxer

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Boxxdr Method For Installing Transistor Jtag
« Reply #40 on: November 08, 2010, 10:17:00 PM »

QUOTE(syntaxerror329 @ Aug 20 2010, 09:43 PM) View Post


[PARTS LIST]
2x 10K ohm ¼ watt resistors
2x 2N3904 Transistors
30AWG kynar wire
3/64’ Heat Shrink Tubing


Hey Boxxdr,
I just realized that I don't have any 10k ohm 1/4w resistors. I have "10k 1/2w" and "10k 1/8w" and my local radioshack is out of stock!  mad.gif  I got some off ebay for future jtags, but they are comming from hong kong and will take weeks for arrive.  I obviously know going up to 1/2w would work, but I ideally don't want to be that bulkly. Do you know is 1/8w would be able to handle this load?
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syntaxerror329

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Boxxdr Method For Installing Transistor Jtag
« Reply #41 on: November 09, 2010, 12:51:00 AM »

QUOTE(MadBoxer @ Nov 9 2010, 01:17 AM) View Post

Hey Boxxdr,
I just realized that I don't have any 10k ohm 1/4w resistors. I have "10k 1/2w" and "10k 1/8w" and my local radioshack is out of stock!  mad.gif  I got some off ebay for future jtags, but they are comming from hong kong and will take weeks for arrive.  I obviously know going up to 1/2w would work, but I ideally don't want to be that bulkly. Do you know is 1/8w would be able to handle this load?

1/8th should work perfect.
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syntaxerror329

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Boxxdr Method For Installing Transistor Jtag
« Reply #42 on: November 09, 2010, 08:45:00 PM »

QUOTE(WakenBlake @ Nov 9 2010, 10:29 PM) View Post

I'm a bit confused about wiring an xenon this way. Would it be the same as in the pictures in the first post?


Everything is the same except the wires that go to the AUD_CLAMP and the DB1F1 Alt now go to the J1F1 header.

So the wire that comes from the transistor closest to the GPU goes to J1F1-3
and the other goes to J1F1-4

Please take some pictures after you do this and post them here. If you need a host for your photos PM me and i can host them.
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MadBoxer

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Boxxdr Method For Installing Transistor Jtag
« Reply #43 on: November 10, 2010, 12:44:00 AM »

QUOTE(syntaxerror329 @ Nov 9 2010, 08:45 PM) View Post

Please take some pictures after you do this and post them here. If you need a host for your photos PM me and i can host them.


Just Finished the jaspers and the the transistors work great! I have a xenon that I'll probably update with the Transistor mod. I can send you photos if you want.
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MadBoxer

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Boxxdr Method For Installing Transistor Jtag
« Reply #44 on: November 13, 2010, 12:22:00 AM »

QUOTE(syntaxerror329 @ Nov 9 2010, 07:45 PM) View Post

Everything is the same except the wires that go to the AUD_CLAMP and the DB1F1 Alt now go to the J1F1 header.

So the wire that comes from the transistor closest to the GPU goes to J1F1-3
and the other goes to J1F1-4

Please take some pictures after you do this and post them here. If you need a host for your photos PM me and i can host them.


Boxxdr,
I went ahead and posted the photo on photobucket. This is a couple views of the Xenon board I just finished with the transistor method. Hopefully this will help clear up some of the confusion people are having. Feel free to host it on boxxdr.com and add it as an example in your tutorial if you want. All that I ask is that you give me credit for the photo example. I can also supply you with hi-res versions if you need it. You may also notice, I used 1/8w resistors and it works flawless! I like how clean it is with 1/8w ones.

IPB Image
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