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Old 07-23-2014, 02:07 AM   #1291
knc1
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Quote:
Originally Posted by ethanova View Post
Well I keep it pretty well charged and it looked fine when I turned it on to play with it so I don't know how much sense that makes.
It makes a lot of sense when you consider that the terminal voltage does not indicate storage capacity.

Did you keep it "pretty well charged" all of the time it was "laying around" ?

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Originally Posted by ethanova View Post
How would I test it in diags mode?
Simple, see if it runs.
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Old 07-23-2014, 10:37 PM   #1292
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Well, I always caught it before it fully died and charged it back up. Only once or twice did I actually get a low battery message.

Guess I should rephrase, how do I get it in diags mode?
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Old 01-19-2015, 02:54 PM   #1293
mugurd
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Hi All,
I have been reading forum for few hours. I am little bit confused and overwhelmed with the amount of information. I have a PW. It shows YKNR splash screen. I have tried to wall charge the device for a day. I thought the device is bricked. I have Lİnux Mint 17 Debian release as host. I have downloaded and compiled imx_usb. I have seen mx50_usb_work.conf. I have also seen posts yifanlu's fastboot.I have downloaded,
http://ixtab.tk/kindle-touch-images/PaperWhite/
I am a little bit lost at this point.
Quote:
Jan 19 20:44:42 mm-dl kernel: [133492.383982] usb 2-1.1: New USB device found, idVendor=1949, idProduct=0004
Jan 19 20:44:42 mm-dl kernel: [133492.383990] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Jan 19 20:44:42 mm-dl kernel: [133492.383994] usb 2-1.1: Product: Amazon Kindle
Jan 19 20:44:42 mm-dl kernel: [133492.383997] usb 2-1.1: Manufacturer: Amazon
Jan 19 20:44:42 mm-dl kernel: [133492.384001] usb 2-1.1: SerialNumber: B024XXXXXXXX
My first question is:
1-Is mx50_usb_work.conf same for Paperwhite?
KindleTouch
hid,1024,0x70000000,256M,0xF8000000,128K

2- Should I use fastboot and uboot.bin or should imx_usb + diags_kernel.img used?

Thanks for all
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Old 01-19-2015, 03:21 PM   #1294
NiLuJe
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@mugurd: Unless you have the holy grail and can boot your PW in USB downloader mode, you're on the wrong track. You'll most likley have to open it up and do the recovery over serial instead. (That's if you haven't got the Rescue Pack installed).
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Old 01-19-2015, 04:10 PM   #1295
mugurd
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Thanks NiLuJE.
I thought I would be able to upload a new image via imx_usb or fastboot. But I think I have misinterpreted and missed that I should be in USB downloader mode. Can you kindly point me to opening and recovery over serial, since I have not installed Rescue Pack when Kindle was working? Should I do things said in knc1's post
Quote:
Quote:
Quote:
Originally Posted by DaveH52 View Post
Ok so I'm a real noob! I've connected an FTDI USB-TTL 3v3 to the serial port. What baud rate, number of bits, parity, etc., should I be setting my terminal program to in order to communicate with the serial port of a PW1?
Actually, the wrong adapter - should be the 1v8 (1.8 volt).

But other people have reported using the 3.3 volt interface levels.
And if any of those other people have destroyed their Kindle interface, they have been ashamed to admit it.

115200,8,N,1 no flow control (neither hardware nor software).
. Thanks again.
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Old 01-23-2015, 06:48 PM   #1296
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Hi,
I have a Kindle 4 (NT) Black, that is bricked. I've tried charging it for a day or more, but i am not able to make the Kindle enter in fastboot mode. I've tried with MfgTools in Windows 7, with imx_usb_loader in Linux and with Kubric, but the results are always the same: the device (that was recognized as Freescale Semiconductor Inc [15a2:0052] in linux) is disconnected, but nothing is connected.
Is there something that i may do to save my Kindle or should i buy a new one already?
Thanks
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