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Author Topic: JTag USB  (Read 2605 times)
W3BMASTER
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« on: January 15, 2010, 12:06:49 PM »

I was thinking, would it be possaible to use one of these on a JTag so you can use a USB connection to your PC ??


http://images.esellerpro.com/2242/I/101/63/USB2RJ45.jpg
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Arakon
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« Reply #1 on: January 15, 2010, 12:15:56 PM »

to do what? for one, is that even a jtag adapter? that looks very much like an USB network card.
second, if it was jtag, it'd mean you'd have to permanently have it hooked up to your PC and always send the SMC code via the PC every single time you turn on the console.
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W3BMASTER
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« Reply #2 on: January 15, 2010, 12:50:19 PM »

to do what? for one, is that even a jtag adapter? that looks very much like an USB network card.
second, if it was jtag, it'd mean you'd have to permanently have it hooked up to your PC and always send the SMC code via the PC every single time you turn on the console.


Its a ethernet to USB cable, Cant u use that to replace the LTP ?

I thought you can remove the LTP after you dump and flash the nand
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neonpolaris
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« Reply #3 on: January 15, 2010, 01:23:25 PM »

Wow, this whole thread is fail.

Yes, the LPT can be removed after flashing, but not the JTAG. FLASHING YOUR NAND AND JTAGING ARE NOT THE SAME THING.

No, ethernet and LPT are NOT the same.  Any other random-ass devices you want to suggest?
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W3BMASTER
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« Reply #4 on: January 15, 2010, 03:36:46 PM »

Wow, this whole thread is fail.

Yes, the LPT can be removed after flashing, but not the JTAG. FLASHING YOUR NAND AND JTAGING ARE NOT THE SAME THING.

No, ethernet and LPT are NOT the same.  Any other random-ass devices you want to suggest?

Nobody ever said anything about Flashing the Nand and JTaging are the same Huh I think you just cant read Huh

You can connect ethernet to your LTP from your motherbord, So i was thinking maby you could connect ethernet straight to USB....

So i think the fail was on your part.....
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Arakon
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« Reply #5 on: January 15, 2010, 04:07:03 PM »

It's not ethernet, it's just an RJ45 SOCKET.
And you said in your first post that you want to connect jtag to USB. jtag needs no PC connection at all.
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neonpolaris
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« Reply #6 on: January 15, 2010, 05:03:59 PM »

I was thinking, would it be possaible to use one of these on a JTag so you can use a USB connection to your PC ??

Ok, so by "on a JTag", I guess you meant "on a JTAG'ed box".

I was thinking, would it be possaible to use one of these on a JTag so you can use a USB connection to your PC ??

And by "use a USB connection to your PC" you mean "use this as a USB interface to flash your NAND".

Please, understand the confusion with your statement.

You can connect ethernet to your LTP from your motherbord, So i was thinking maby you could connect ethernet straight to USB....

I've never seen ethernet connected to an LPT port before.  The closest thing I've seen is serial adapted to an RJ45 for a long run. But it's still serial, not ethernet.

Either way, no, that device is going to be useless for this application.  There is a PIC based USB solution that you could use for reading and writing your NAND.  It would work for you since you don't need an LPT port for it.  Schematics and source are posted in these forums, but I think you'd still have to built it yourself.
« Last Edit: January 15, 2010, 07:59:11 PM by neonpolaris » Logged

B1N4RY
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« Reply #7 on: January 15, 2010, 10:21:40 PM »

Ethernet is a serial-based protocol, and LPT is a parallel interface. There are no ways on earth that you can interconnect those two together *easily*
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Blackaddr
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« Reply #8 on: January 15, 2010, 11:15:07 PM »

Actually while LPT is a parallel port, we are using a serial protocol (SPI) to talk to the flash controller.
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wes11ph
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« Reply #9 on: January 16, 2010, 03:55:47 AM »

what is he thinking?
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tex1ntux
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« Reply #10 on: January 16, 2010, 04:41:48 AM »

It seems t3h Webmaster has confused the RJ45 to DB25 flash reading/writing setup with the ability to flash over ethernet.

It's really not that far of a stretch if you have absolutely no technical knowledge whatsoever. 
Maybe he works in management?
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wes11ph
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« Reply #11 on: January 16, 2010, 05:09:29 AM »

It seems t3h Webmaster has confused the RJ45 to DB25 flash reading/writing setup with the ability to flash over ethernet.

It's really not that far of a stretch if you have absolutely no technical knowledge whatsoever. 
Maybe he works in management?

LOL Shocked
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neonpolaris
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« Reply #12 on: January 20, 2010, 11:32:04 AM »

I see, it's setups like this that are responsible for his confusion.
http://hackingjungle.com/viewtopic.php?f=36&t=141

Sorry for being so snippy w3bmaster, I just had no idea where that idea came from.  It seems like people use cat5 for just about anything these days.  I've seen people run serial, audio, even VIDEO(not over IP) over cat5.  It just means that they're using the cable for something other than it's original purpose, a network card will not be useful for any of those implementations.  Only network.

Something I wonder about though, one of cat5 cable's biggest strengths is the twisted pairs used to remove/reduce interference to/from other pairs.  But if you use twisted pairs for two signals that are not opposite of each other, would you be *more* likely to introduce interference between them, or just no better (or worse) than straight wires?
« Last Edit: January 20, 2010, 11:40:15 AM by neonpolaris » Logged

Blackaddr
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« Reply #13 on: January 20, 2010, 01:44:39 PM »

Who says CAT5 should only be used for ethernet?  It's just a standardized cable.  I use it as my primary hobby/hacking wire because you've got a nice ready assortment of colours.
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Do not take anything I say as gospel, use your own judgement, make your own decisions.

Please pay attention to which sub-forums are for Research and Technical discussion. The following are NOT for help with and troubleshooting existing hacks.
- Hardware (Technical)
- DVD-ROM Drive and Media
- Hard Disk
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neonpolaris
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« Reply #14 on: January 20, 2010, 09:14:44 PM »

I never said that cat5 should only be for ethernet.  I always have spools of it, so I end up using the wires out of it in little projects all the time.  I do think that a smaller gauge would be easier to handle for soldering the jtag and lpt connections here though.  Just my opinion.
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littlestevie360
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« Reply #15 on: January 20, 2010, 09:22:50 PM »

I never said that cat5 should only be for ethernet.  I always have spools of it, so I end up using the wires out of it in little projects all the time.  I do think that a smaller gauge would be easier to handle for soldering the jtag and lpt connections here though.  Just my opinion.
for the lpt jtag i use 30AWG but using CAT5 could potentially be easier handling wise
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B1N4RY
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« Reply #16 on: January 20, 2010, 10:11:25 PM »

Who says CAT5 should only be used for ethernet?  It's just a standardized cable.  I use it as my primary hobby/hacking wire because you've got a nice ready assortment of colours.

I know that.
However, I have seen that EXACT device before; it's a USB NIC
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wes11ph
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« Reply #17 on: January 21, 2010, 10:59:57 PM »

I was thinking, would it be possaible to use one of these on a JTag so you can use a USB connection to your PC ??


http://images.esellerpro.com/2242/I/101/63/USB2RJ45.jpg

i'm assuming that you only want to use the ports right? even though you use it, still it will not work.
and if you use the whole circuit?.still it will not work too.

better use the usb jtag flasher.
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