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PostPosted: Tue Jun 02, 2009 4:01 pm 
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I managed to brick my LS1 recently, and before I go out and drop money on a new cable I wonder if I can repurpose one I have here by rewiring or something.

One end is a male DB25 connector, and the other is a 2x6 header connector. The pinout is as follows:

DB25 --- <resisistor> --- cable conductor
2 ------100ohm ---- 3
3 ------100ohm ---- 9
4 ------100ohm ---- 7
13 ------100ohm ---- 5
Pins 18-25 are bridged together, connected to conductor 6

The resistors are identical, brown-black-black-black-brown. If I can put the end into a new connector that can hit the proper pins on the 2x8 board header, is this a cable I can use?


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PostPosted: Wed Jun 03, 2009 2:55 am 
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Is it Wiggler compatible?

What kind of unit (brand or chipset) is it?

good reference :
http://buffalo.nas-central.org/index.ph ... Connection

http://buffalo.nas-central.org/wiki/Bui ... _Interface

_________________
LS1 (foonas, nfs, Tranmission & p910nd print server, Firefly for my Roku)
LS-HG500 (Lenny)
Various LS-Pros v1,v2 (unbricked w/ serial & jtag)
KuroPro, LS2 & KuroHG (foonas)
Working on davysweather.dyndns.org lately...

=> wooohooo!
wooohooo!
Unknown command 'wooohooo!' - try 'help'


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PostPosted: Wed Jun 03, 2009 4:03 pm 
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NO. your LS1 operates at 3.3 volts and your computer port does not. you need a buffered cable. A passive cable won't work. In addition, the pinout of the JTAG on the LS! is not the same as that on your passive cable.

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My completely scratch built 832 push-pull tube amplifier with Padauk frame. It matches my custom mini-ITX machine.


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PostPosted: Tue Jun 16, 2009 2:03 pm 
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How about this one?

http://www.sparkfun.com/commerce/produc ... cts_id=275

It looks like it'd need to be repinned on account of being ARM/TI compatible, but otherwise?


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PostPosted: Tue Jun 16, 2009 2:45 pm 
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I'm thinking that this might be identical the the unit I use for LS1/HG boxes.

http://cgi.ebay.com/JTAG10-Parallel-Por ... 7C294%3A50

ie., I searched for JTAG10 and this is what I found. I didn't try searching for wiggler, but it may show some as well.

What is your location?

(the link I gave is for the US)

_________________
LS1 (foonas, nfs, Tranmission & p910nd print server, Firefly for my Roku)
LS-HG500 (Lenny)
Various LS-Pros v1,v2 (unbricked w/ serial & jtag)
KuroPro, LS2 & KuroHG (foonas)
Working on davysweather.dyndns.org lately...

=> wooohooo!
wooohooo!
Unknown command 'wooohooo!' - try 'help'


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PostPosted: Tue Jun 16, 2009 4:12 pm 
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Yup, that's it. uses a 74hc244 buffer chip and is a buffered wiggler clone. That one should work for pretty much all your jtag needs.

_________________
My completely scratch built 832 push-pull tube amplifier with Padauk frame. It matches my custom mini-ITX machine.


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PostPosted: Tue Jun 16, 2009 4:52 pm 
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Sorry kuroguy, when you say 'that's it' do you mean the sparkfun link I posted or the ebay link from davy_gravy?

I'm in Boston, in the US.


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PostPosted: Tue Jun 16, 2009 5:44 pm 
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The one from davy_gravy is a JTAG cable I have used successfully with both LinkStation and TeraStation JTAG programming.


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PostPosted: Tue Jun 16, 2009 7:39 pm 
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I found the below searching for 'wiggler', seems a bit cheaper. Also says it uses 3.0-3.6V. What do you think?


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PostPosted: Tue Jun 16, 2009 7:47 pm 
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patrickjmc wrote:
Sorry kuroguy, when you say 'that's it' do you mean the sparkfun link I posted or the ebay link from davy_gravy?

I'm in Boston, in the US.


Yes, the jtag10 is the one to use. I have one and it works well. I only prefer the one I designed because it has the correct 16 pin headerand is easier to connect.

So, JTAG10 is the ticket.

_________________
My completely scratch built 832 push-pull tube amplifier with Padauk frame. It matches my custom mini-ITX machine.


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PostPosted: Tue Jun 16, 2009 8:20 pm 
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Erm, when I said 'the below' I meant to insert this link:

http://cgi.ebay.com/Macraigor-Wiggler-A ... .m20.l1116


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PostPosted: Tue Jun 16, 2009 8:53 pm 
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LISTEN UP.

The JTAG connector on the PPC boxes is a 16 pin IDE connector. the connector on the LS2 is a 14 pin IDE connector. the connector on the Kuro Pro is a 20 pin IDE header. The connector on the LS Pro V1 is a 10 pin IDE header. They all have different pinouts. I'm sure there are other header configurations and pinouts for other boxes too.

The point here is if you buy a cable with a specific connector (say ARM standard), it won't work with the PPC, MIPS, or even the LS Pro V1. It is possible (and even likely) that it won't work with other boxes too.

What you want is a cable like the JTAG10 with separate flying leads that can be connected to any pin header in any configuration needed.

Also, since these devices run at 3.3 volts, you need a buffered cable to make sure the data levels are translated correctly. Look for a cable with either a 74hc244 or similar buffer chip. THE JTAG10 cable fits this bill too.

So, basically, just buy the JTAG10 cable and stop asking whether or not a specific cable will work because if the connector is wired wrong, and it likely is wrong, it wont work.

Sorry if I was abrupt with my post. I just want to put this issue to bed once and for all.

_________________
My completely scratch built 832 push-pull tube amplifier with Padauk frame. It matches my custom mini-ITX machine.


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PostPosted: Tue Jun 16, 2009 9:46 pm 
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Oh. Okay then, thanks.


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PostPosted: Mon Aug 17, 2009 9:41 pm 
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Okay, I finally found myself a Wiggler:
Image

But I have a question. The connector is 2x10, which is bigger than the header on the board. Do I just align both pin1s?


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PostPosted: Mon Aug 17, 2009 9:59 pm 
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EDIT yet again:



Did your adapter come w/ documentation? You could check that against the pinouts listed in our docs online.

That's the safest way.

=====================

EDIT: can you post a scan of the header-side of your board? How many holes are there on that wiggler connector? 2 x 8 ?
There are also 2 x 8 pins on the JTAG header. The Serial header is 1 x 4.

_________________
LS1 (foonas, nfs, Tranmission & p910nd print server, Firefly for my Roku)
LS-HG500 (Lenny)
Various LS-Pros v1,v2 (unbricked w/ serial & jtag)
KuroPro, LS2 & KuroHG (foonas)
Working on davysweather.dyndns.org lately...

=> wooohooo!
wooohooo!
Unknown command 'wooohooo!' - try 'help'


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