08-28-2013, 01:52 PM | #1 |
root
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Paperwhite internal USB?
I know there has been minimal hacking of the hardware itself on the kpw, but does anyone know which if any of the contact pads are usb ports? I have found two sets which I think may be, but I am loathe to try them out without confirmation for fear of frying something.
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08-28-2013, 03:00 PM | #2 | |
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08-28-2013, 03:56 PM | #3 |
root
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Photos wouldn't really help. I'm asking if anyone has confirmed a location so far. I found a couple candidates, but pictures wouldn't do much except let others say,"Huh. Yep, looks like that might be a USB pinout! Why don't you try it and tell us how it goes?"
Besides, I'm at work and not next to my tools. |
08-28-2013, 04:52 PM | #4 | |
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The answer should be obvious for the need of photos - We can't try it because we don't have a way to tell what connection points you are looking at as possibles. Last edited by knc1; 08-28-2013 at 04:55 PM. |
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08-28-2013, 04:58 PM | #5 | |
root
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Since you seem to insist on a picture for some reason, here's one where one possible set happen to show up in. https://copy.com/MqdB1m3aPLBVSAF7 Note the four gold pads near the EInk display ribbon cable. They could easily be related to debugging the panel as QC before shipment, but hey. You never know. EDIT: They are used for something at some point of the manufacture process. I deduce this from the fact that there are very small pin-tip size scars on them in all three kpw's I've disassembled to date. Last edited by knauck; 08-28-2013 at 05:08 PM. |
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08-28-2013, 05:07 PM | #6 | |
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08-28-2013, 05:20 PM | #7 |
root
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lsusb gives me:
Code:
Bus 001 Device 001: ID 1d6b:0002 Bus 001 Device 002: ID 1949:9001 |
08-28-2013, 08:17 PM | #8 |
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08-29-2013, 09:43 AM | #9 | ||
root
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And for the record, someone can easily have discovered one without disclosing it to you or the rest of this forum, either because they didn't think anyone would care or because doing so just didn't occur to them at the moment. Hence this question remaining open, so that if someone did or does eventually find one, they may say so if they choose. |
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08-29-2013, 10:44 AM | #10 | ||
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Which is on one of either the SPI or I2C buses. You should be able to confirm using the appropriate utilities to 'walk' those buses. Quote:
The internal 'host' bus interface and the external 'OTG' bus interface. More details available in the Freescale manuals on the mx508 SoC. The internal USB bus appears on the 3G connector, on standardized pins for that hardware interface. Check the published documentation on that connector's pin-out for details. |
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