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Old 09-09-2012, 08:36 AM   #46
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Oooh. Field effect. never considered that one what with my background in spinning rust it seemed counter intuitive but now you say it... hmm..
For example:
http://www.micropac.com/pdf/products/65017.pdf

A better part for this specific purpose could probably be found, but that one should be a typical example.
That one would do the job of being the "USB Downloader Switch" when a cer-magnet was brought close to case back.

Similar parts can be found in low voltage, "brushless", DC fans as the "commutator" part.

So if the machine has internal switch or switch pads that need to be closed to enable the USB / Serial Downloader mode - it could be hardware retro-fitted with a sensor from a salvaged fan.

Its operating power could come from one of the switched lines that get turned off after the SoC re-sets and re-starts.

- - - -

A PS on getting it open: "Heat Guns" (hot air guns) are now a common item on the re-work bench - that is what is used to place/re-place the SMT parts.
So using one to get the "hot glue" to release is not that far fetched an idea.
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Old 09-09-2012, 09:12 AM   #47
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so... 0.76 an hour...

And no-one has thought to simply offer a $100 reward for the info?

seems like a no-brainer on the right forum...
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Old 09-09-2012, 09:34 AM   #48
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so... 0.76 an hour...

And no-one has thought to simply offer a $100 reward for the info?

seems like a no-brainer on the right forum...
One of the things that now works with the V-9.1 upgrade is the Babelfish links (they only work if you are logged in - gotta fix that).

Scroll to very bottom of page to find the links.
So, yes, you could make the offer on minimodding.com and people could read it in Chinese.
BUT...
China has access to minimodding.com blocked in their firewall.
(But I get a lot of page requests from "China Proxy" servers anyway.)

Because most of those devices are built in China and China feels that disclosing how they work is revealing "trade secrets".

Last edited by knc1; 09-09-2012 at 09:36 AM.
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Old 09-09-2012, 09:39 AM   #49
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Last edited by knc1; 09-09-2012 at 02:11 PM.
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Old 09-09-2012, 10:44 AM   #50
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So, now that my paperwhite is on order, which of the "no keys" is the magic key?
Also questions 0a and 0b (which could be answered only in October): is Kindle Paperwhite built with Freescale i.MX CPU? Is it the same CPU model which KT is built with?

Because "USB downloader" mode is a feature of Freescale CPUs.
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Old 09-09-2012, 10:57 AM   #51
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Also questions 0a and 0b (which could be answered only in October): is Kindle Paperwhite built with Freescale i.MX CPU? Is it the same CPU model which KT is built with?

Because "USB downloader" mode is a feature of Freescale CPUs.
You must have skipped the last two pages of posts.
Try that "view unread posts" icon.
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Old 09-09-2012, 11:18 AM   #52
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You must have skipped the last two pages of posts.
Try that "view unread posts" icon.
Do you have any facts/links about KP's CPU? I didn't find any in this thread, but I'd like to read them ASAP. Because obvious speculations are so obvious and boring (and pointless if KP has non-Freescale CPU)...
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Old 09-09-2012, 11:39 AM   #53
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Do you have any facts/links about KP's CPU? I didn't find any in this thread, but I'd like to read them ASAP. Because obvious speculations are so obvious and boring (and pointless if KP has non-Freescale CPU)...
You will just have to wait or get Amazon to send you an early evaluation unit, then you can tell us.

Think of all the bragging rights points you will win, doing it that way.
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Old 09-09-2012, 12:08 PM   #54
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Speculation is boring? Hmm. mmmokay.

I rather enjoy speculating about things but fair enough. Then "No," I have no facts.

Apologies
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Old 09-09-2012, 12:08 PM   #55
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Oooh. Field effect. never considered that one what with my background in spinning rust it seemed counter intuitive but now you say it... hmm..
And three days ago:
Quote:
Originally Posted by gizmodo.com
Amazon has also built, basically, an iPad Smart Cover for the Paperwhite. It uses a magnet to automatically wake it from sleep when the case is opened. And for what it's worth, it looks a lot nicer than the one that came with the touch last year.
Where one Hall Effect sensor exists, there could be two.
(Or, two purposes for the one that is in there.)
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Old 09-09-2012, 12:46 PM   #56
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Perhaps the DX(G) might have a magnetic sensor too?
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Old 09-09-2012, 12:48 PM   #57
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*rather hopefully waves his about near large monitor speaker *
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Old 09-09-2012, 12:50 PM   #58
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*rather hopefully waves his about near large monitor speaker *
Try Acid Rock or Heavy Metal on it.
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Old 09-09-2012, 12:52 PM   #59
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hmm you make a good point. Would it be a modulated magnetic field.. I am thinking not but err.. I've been wrong before.

*looks up "In C"* - that MUST contain a wide variety of permutations given it's cyclical composition

EDIT: Don't have any acid rock, but the topsoil in my garden is tragic, perhaps I could find one
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Old 09-09-2012, 12:58 PM   #60
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hmm you make a good point. Would it be a modulated magnetic field.. I am thinking not but err.. I've been wrong before.

*looks up "In C"* - that MUST contain a wide variety of permutations given it's cyclical composition

EDIT: Don't have any acid rock, but the topsoil in my garden is tragic, perhaps I could find one
Once you find a suitable acid rock, then you need to figure out where to apply it on the DX, and how high to drop it from.
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