Small debricking guide for “noobs” - Page 12

smitelya · 02-02-2013, 02:31 PM

Quote:

Originally Posted by knc1

You **should not** have to "debrick" it - -
Just use the menu present on the serial port.
What is on screen in diag mode is also repeated on the serial port.

If there is a delay in getting the serial port hardware, then:
The diags mode is known to drain the battery faster than it charges - -

Open it up **NOW** and remove the battery to prevent it from over-discharging while waiting for the serial port hardware!

Thanks for explanation
additional question,to work via Kindle serial port i need to purchase cable like TTL-232RGVREG1V8-WE isn't it?

knc1 · 02-02-2013, 02:50 PM

Quote:

Originally Posted by smitelya

Thanks for explanation
additional question,to work via Kindle serial port i need to purchase cable like TTL-232RGVREG1V8-WE isn't it?

That is the one which I use, and that I recommend.

But anything will do - if it is 1.8 volt serial
Just be sure anything you find can be set to that level (most you find are either 3.3 or 5.0 volt).

smitelya · 02-07-2013, 04:00 AM

Quote:

Originally Posted by knc1

That is the one which I use, and that I recommend.

But anything will do - if it is 1.8 volt serial
Just be sure anything you find can be set to that level (most you find are either 3.3 or 5.0 volt).

Hi
Today i got a cable that you advised - TTL-232RGVREG1V8-WE
i connect it to Kindle board as following:
- TXD wire of the cable (ORANGE) to TXD foot on the board
- RXD wire of the cable (Yellow) to RXD foot on the board
- GND (Black) to GND

when cable is connected to PC its detects as COM4

in PuTTy i try to connect to device to via COM4,speed 9600,data bits 8,stop bits 1,parity none and flow control - none

as a result the window is opened but i dont see anything
i cannot write in terminal window

may be i miss something?
any advise

thanks

geekmaster · 02-07-2013, 06:51 AM

For some kindles, the GND connection on the serial port has been a problem.

Try an extra ground connection. For example, keep the USB cable connected between the Kindle and the host PC that has the serial adapter connected to it.

smitelya · 02-07-2013, 07:08 AM

Quote:

Originally Posted by geekmaster

For some kindles, the GND connection on the serial port has been a problem.

Try an extra ground connection. For example, keep the USB cable connected between the Kindle and the host PC that has the serial adapter connected to it.

already done without results

twobob · 02-07-2013, 08:36 AM

Devils advocate... Try another piece of software.
In the spirit of "Replace each piece you can to confirm it is not the issue"

My only thoughts.

Didn't I read hyperterminal could do the job somewhere? Should read up on this I suppose.
Anyways, In the event of bugger all else to test I would try that.

knc1 · 02-07-2013, 08:38 AM

Quote:

Originally Posted by smitelya

may be i miss something?
any advise

thanks

Reverse the two serial connections so that one device is receiving what the other device is sending:
Tx -> Rx
Rx <- Tx

smitelya · 02-07-2013, 09:16 AM

Quote:

Originally Posted by knc1

Reverse the two serial connections so that one device is receiving what the other device is sending:
Tx -> Rx
Rx <- Tx

now i can see something written on the screen but its seen like:

^""*#"kV+G:3*G&+/"'"'+G'"þ+b;'sS¢/~nn?R
7cãgÿþR**#b+Ã'*;Z'GG'GG'G
þ/â?#"o"æ6'cçc#"¯ãÿÇ
.R*"Ûb+''*cZ/'VGR+R)'Gþ7G3â/~nn×*'gÿþ>R**Ûb+Ã'*;Z'++V'GR+ZG/G
þ+b;/sSfo>&ægcç##ê»#ÿ?G^"2*+"kV+GG#*GG+'""'+G'"þ7OÇ3>.. W"*'gÿþR"*#b+Ã'*;Z'G+V'GG '+G
þ7G&â3"8&'cç
*Ï#ÿ?Ç.Ò"["3#Ç+Zc:G+V'GRGRG/Gþ>R*"Ûb+C''*;Z''*GG '"'G/þwO+sSo>.."J3cc'ÿÞ"j;"kV+Ç G#*GG/'GG'+Gbþ'â?#7"nn;R*'gÿþ^"2*#"kÃ*3Z'+/VGR+Z+G'G
bþ7G&âo.6f3#çc#"¿ãÿÇ^""*#bkÃ'*3Z'&G/""'+G'bþ7Ço>..W2*7gÿþR**#b+Ã*;Z'G+V'GG'+G
þ7Ç&â3&f>'#çcc*#ûÇ#û*2Rj#++Z#*GG'2G'Gbþw"O+3S7~n.7 "J'ÿþ^""*+"kV+GG#*G'.G+"'*'G'
bþ7G3&â3~&æ7#û#ÿß'

keyboard doesn't respond to write in terminal window
i have windows 8 pro 64 bit
all regional setting are setted for English

what the problem now?

knc1 · 02-07-2013, 09:23 AM

1) Check your terminal configuration, should be: 115200, 8N1
See: https://www.mobileread.com/forums/sho...40&postcount=4

2) check your ground connection.

twobob · 02-07-2013, 09:27 AM

Quote:

Originally Posted by smitelya

now i can see something written on the screen but its seen like:

^""*#"kV+G:3*G&+/"'"'+G'"þ+b;'sS¢/~nn?R
7cãgÿþR**#b+Ã'*;Z'GG'GG'G
þ/â?#"o"æ6'cçc#"¯ãÿÇ
.R*"Ûb+''*cZ/'VGR+R)'Gþ7G3â/~nn×*'gÿþ>R**Ûb+Ã'*;Z'++V'GR+ZG/G
þ+b;/sSfo>&ægcç##ê»#ÿ?G^"2*+"kV+GG#*GG+'""'+G'"þ7OÇ3>.. W"*'gÿþR"*#b+Ã'*;Z'G+V'GG '+G
þ7G&â3"8&'cç
*Ï#ÿ?Ç.Ò"["3#Ç+Zc:G+V'GRGRG/Gþ>R*"Ûb+C''*;Z''*GG '"'G/þwO+sSo>.."J3cc'ÿÞ"j;"kV+Ç G#*GG/'GG'+Gbþ'â?#7"nn;R*'gÿþ^"2*#"kÃ*3Z'+/VGR+Z+G'G
bþ7G&âo.6f3#çc#"¿ãÿÇ^""*#bkÃ'*3Z'&G/""'+G'bþ7Ço>..W2*7gÿþR**#b+Ã*;Z'G+V'GG'+G
þ7Ç&â3&f>'#çcc*#ûÇ#û*2Rj#++Z#*GG'2G'Gbþw"O+3S7~n.7 "J'ÿþ^""*+"kV+GG#*G'.G+"'*'G'
bþ7G3&â3~&æ7#û#ÿß'

keyboard doesn't respond to write in terminal window
i have windows 8 pro 64 bit
all regional setting are setted for English

what the problem now?

speed looks wrong?

smitelya · 02-07-2013, 09:54 AM

Quote:

Originally Posted by knc1

1) Check your terminal configuration, should be: 115200, 8N1
.

thanks you advice helped me
now with connected usb and after long pressing of power button i see in terminal following:
U-Boot 2009.08-lab126 (Oct 30 2012 - 18:26:28)

CPU: Freescale i.MX50 family 1.1V at 800 MHz
mx50 pll1: 800MHz
mx50 pll2: 400MHz
mx50 pll3: 216MHz
ipg clock : 66666666Hz
ipg per clock : 66666666Hz
uart clock : 24000000Hz
cspi clock : 54000000Hz
ahb clock : 133333333Hz
axi_a clock : 400000000Hz
axi_b clock : 200000000Hz
weim_clock : 100000000Hz
ddr clock : 266666666Hz
esdhc1 clock : 80000000Hz
esdhc2 clock : 80000000Hz
esdhc3 clock : 80000000Hz
esdhc4 clock : 80000000Hz
MMC: FSL_ESDHC: 0, FSL_ESDHC: 1
Board: Celeste WFO (256 MB)
Boot Reason: [POR]
Boot Device: MMC
Board Id: 00A1507124850KXY
S/N: B02415032495125B
I2C: ready
DRAM: 256 MB
Using default environment

In: serial
Out: serial
Err: serial
POST done in 1 ms
Battery voltage: 2704 mV

BOOTMODE OVERRIDE: FASTBOOT
running cmd: fastboot
Entering fastboot mode...
Battery voltage: 2699 mV
USB speed: HIGH
Connected to USB host!

gthe keyboard isnt respond

knc1 · 02-07-2013, 10:00 AM

Leave it sit in fastboot like that while the battery charges (may take a day or more).

Code:

Entering fastboot mode...
Battery voltage: 2699 mV

Any lower and you will be buying a new 4.2 volt Li-Ion battery.

smitelya · 02-07-2013, 10:02 AM

Quote:

Originally Posted by knc1

Leave it sit in fastboot like that while the battery charges (may take a day or more).

Code:

Entering fastboot mode...
Battery voltage: 2699 mV

Any lower and you will be buying a new 4.2 volt Li-Ion battery.

ok i will left battery to charge
when i get it full ,hope for good things

smitelya · 02-07-2013, 03:44 PM

Now battery full charged
i disconnect power and reset device by long pressing on power button
as a result :

U-Boot 2009.08-lab126 (Oct 30 2012 - 18:26:28)

CPU: Freescale i.MX50 family 1.1V at 800 MHz
mx50 pll1: 800MHz
mx50 pll2: 400MHz
mx50 pll3: 216MHz
ipg clock : 66666666Hz
ipg per clock : 66666666Hz
uart clock : 24000000Hz
cspi clock : 54000000Hz
ahb clock : 133333333Hz
axi_a clock : 400000000Hz
axi_b clock : 200000000Hz
weim_clock : 100000000Hz
ddr clock : 266666666Hz
esdhc1 clock : 80000000Hz
esdhc2 clock : 80000000Hz
esdhc3 clock : 80000000Hz
esdhc4 clock : 80000000Hz
MMC: FSL_ESDHC: 0, FSL_ESDHC: 1
Board: Celeste WFO (256 MB)
Boot Reason: [POR]
Boot Device: MMC
Board Id: 00A1507124850KXY
S/N: B02415032495125B
I2C: ready
DRAM: 256 MB
Using default environment

In: serial
Out: serial
Err: serial
POST done in 2 ms
Battery voltage: 4152 mV

BOOTMODE OVERRIDE: FASTBOOT
running cmd: fastboot
Entering fastboot mode...
Battery voltage: 4147 mV

i cannot success exit from fastboot mode

what the next step?

twobob · 02-07-2013, 04:03 PM

set the bootmode?

err.. fastboot setvar bootmode main

or something

02-07-2013, 10:00 AM	#177
knc1 Going Viral Posts: 17,212 Karma: 18210809 Join Date: Feb 2012 Location: Central Texas Device: No K1, PW2, KV, KOA	Leave it sit in fastboot like that while the battery charges (may take a day or more). Code: Entering fastboot mode... Battery voltage: 2699 mV Any lower and you will be buying a new 4.2 volt Li-Ion battery.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Original "Simple" debricking methods for K5-Touch, K4-Mini, & K3-Keyboard	geekmaster	Kindle Developer's Corner	1383	06-24-2022 05:03 AM
I have some questions about K4 touch debricking	drjonvargas	Kindle Developer's Corner	4	04-22-2012 03:46 PM
kindle touch simple debricking for help	non_fox	Amazon Kindle	4	04-18-2012 08:32 PM
PRS-T1 Rooting and Modding for COMPLETE NOOBS	thoreau	Sony Reader Dev Corner	3	02-06-2012 01:23 PM
A Noobs Guide to Borrowing E-Library Books and Installing non Kobo Bookstore Books	bamelin	Kobo Reader	17	01-07-2012 04:11 PM

02-07-2013, 06:51 AM	#169
geekmaster Carpe diem, c'est la vie. Posts: 6,433 Karma: 10773668 Join Date: Nov 2011 Location: Multiverse 6627A Device: K1 to PW3	For some kindles, the GND connection on the serial port has been a problem. Try an extra ground connection. For example, keep the USB cable connected between the Kindle and the host PC that has the serial adapter connected to it.

02-07-2013, 08:36 AM	#171
twobob ( ͡° ͜ʖ ͡°){ʇlnɐɟ ƃǝs}Týr Posts: 6,586 Karma: 6299991 Join Date: Jun 2012 Location: uti gratia usura (Yao ying da ying; Mo ying da yieng) Device: PW-WIFI\|K5-3G+WIFI\| K4\|K3-3G\|DXG\|K2\| Rooted Nook Touch	Devils advocate... Try another piece of software. In the spirit of "Replace each piece you can to confirm it is not the issue" My only thoughts. Didn't I read hyperterminal could do the job somewhere? Should read up on this I suppose. Anyways, In the event of bugger all else to test I would try that.

02-07-2013, 09:23 AM	#174
knc1 Going Viral Posts: 17,212 Karma: 18210809 Join Date: Feb 2012 Location: Central Texas Device: No K1, PW2, KV, KOA	1) Check your terminal configuration, should be: 115200, 8N1 See: https://www.mobileread.com/forums/sho...40&postcount=4 2) check your ground connection.

02-07-2013, 03:44 PM	#179
smitelya Member Posts: 19 Karma: 10 Join Date: Jan 2013 Device: Kindle PaperWhite	Now battery full charged i disconnect power and reset device by long pressing on power button as a result : U-Boot 2009.08-lab126 (Oct 30 2012 - 18:26:28) CPU: Freescale i.MX50 family 1.1V at 800 MHz mx50 pll1: 800MHz mx50 pll2: 400MHz mx50 pll3: 216MHz ipg clock : 66666666Hz ipg per clock : 66666666Hz uart clock : 24000000Hz cspi clock : 54000000Hz ahb clock : 133333333Hz axi_a clock : 400000000Hz axi_b clock : 200000000Hz weim_clock : 100000000Hz ddr clock : 266666666Hz esdhc1 clock : 80000000Hz esdhc2 clock : 80000000Hz esdhc3 clock : 80000000Hz esdhc4 clock : 80000000Hz MMC: FSL_ESDHC: 0, FSL_ESDHC: 1 Board: Celeste WFO (256 MB) Boot Reason: [POR] Boot Device: MMC Board Id: 00A1507124850KXY S/N: B02415032495125B I2C: ready DRAM: 256 MB Using default environment In: serial Out: serial Err: serial POST done in 2 ms Battery voltage: 4152 mV BOOTMODE OVERRIDE: FASTBOOT running cmd: fastboot Entering fastboot mode... Battery voltage: 4147 mV i cannot success exit from fastboot mode what the next step?

02-07-2013, 04:03 PM	#180
twobob ( ͡° ͜ʖ ͡°){ʇlnɐɟ ƃǝs}Týr Posts: 6,586 Karma: 6299991 Join Date: Jun 2012 Location: uti gratia usura (Yao ying da ying; Mo ying da yieng) Device: PW-WIFI\|K5-3G+WIFI\| K4\|K3-3G\|DXG\|K2\| Rooted Nook Touch	set the bootmode? err.. fastboot setvar bootmode main or something

Advert

Advert