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Dell PA-10 ac adapter center pin



 
 
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  #31  
Old February 16th 14, 08:34 PM posted to alt.sys.pc-clone.dell
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Posts: 4
Default Dell PA-10 ac adapter center pin

Dana ńćetvrtak, 22. rujna 2011. 12:08:30 UTC+2, korisnik artful_bodger napisao je:
Robert Kahle's 2007 post was all I needed to hack the adapter. Using an

8 pin microchip 10f220, I wrote the following code. It's the .HEX If

you want the source PM me.



:020000040000FA

:0800080005281F28A300A40035

:100010000830A2002508A306A30C2508A300031C92

:1000200013281830A306A30C2308A5002408A30056

:100030000310A30C2308A400A20B0A280800A501A2

:10004000F0300620103006200000003006200000AE

:084000000100020003000400AE

:02400E00F93F78

:00000001FF



The code aint pretty, but it works.



This sends a fake 90W signal to the mobo to make it think a dell adapter

is connected. I needed it because I'm off grid and I only have 24VDC.

I step this down t 18V and use the PIC to fool the mobo. Been good for

9 months now.



You'll need an old plug to connect to the laptop and you'll need to

identify +, - and signal (centre) pin.

Connect 18V into the laptop. The centre pin of the goes to pin 3 of the

PIC.

Put a ge diode anode on pin 3, cathode k on pin 2.

Put 0v on pin 7. 330n cap pin 2 to pin 7. You get about 2.5V on pin 2,

which is just enough to power the PIC. The PIC waits about 200ms and

then sends the message when requested by the mobo. There is so little

current sent by the mobo that you can barely light a LED, so only use a

DVM and dont connect anything else!



I've tested it on 2 d610 and 1 d600. Flawless!



You'll need a good grasp of electronics to make sense of this, not to

mention programming PICs. I'm not selling these and dont intend to.



Usual disclaimers apply.



Can you send me your source code?

All others of you, if anyone got source code in a meantime, don't hesitate to send it to me.

Thanks in advance.
  #32  
Old February 17th 14, 12:59 PM posted to alt.sys.pc-clone.dell
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Posts: 1
Default Dell PA-10 ac adapter center pin

All others of you, if anyone got source code in a meantime, don't hesitate to send it to me.



Thanks in advance.


Hello,

I've tried Dell PSU Emulator based on PIC10F220 but it is not working.
I've found working one:

http://www.mikrocontroller.net/topic/186476

There is attachment with source code and binary HEX file.
I've tried with ATtiny13A and external 3.3V power supply (for testing purposes).

Fuse bits: 9.6MHz Internal RC and turned off the DIV-8 option.

  #33  
Old February 22nd 14, 06:46 PM posted to alt.sys.pc-clone.dell
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Posts: 4
Default Dell PA-10 ac adapter center pin

On Monday, February 17, 2014 12:59:39 PM UTC+1, wrote:
All others of you, if anyone got source code in a meantime, don't hesitate to send it to me.








Thanks in advance.




Hello,



I've tried Dell PSU Emulator based on PIC10F220 but it is not working.

I've found working one:



http://www.mikrocontroller.net/topic/186476



There is attachment with source code and binary HEX file.

I've tried with ATtiny13A and external 3.3V power supply (for testing purposes).



Fuse bits: 9.6MHz Internal RC and turned off the DIV-8 option.


Thank you.
I'll check it out.

There is a strong reason why Dell PSU Emulator based on PIC10F220 isn't working, for ANYONE!
What I mean, you'll see in my following quote ...
  #34  
Old February 22nd 14, 07:25 PM posted to alt.sys.pc-clone.dell
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Posts: 4
Default Dell PA-10 ac adapter center pin

On Thursday, September 22, 2011 12:08:30 PM UTC+2, artful_bodger wrote:
Robert Kahle's 2007 post was all I needed to hack the adapter. Using an

8 pin microchip 10f220, I wrote the following code. It's the .HEX If

you want the source PM me.



:020000040000FA

:0800080005281F28A300A40035

:100010000830A2002508A306A30C2508A300031C92

:1000200013281830A306A30C2308A5002408A30056

:100030000310A30C2308A400A20B0A280800A501A2

:10004000F0300620103006200000003006200000AE

:084000000100020003000400AE

:02400E00F93F78

:00000001FF



The code aint pretty, but it works.



This sends a fake 90W signal to the mobo to make it think a dell adapter

is connected. I needed it because I'm off grid and I only have 24VDC.

I step this down t 18V and use the PIC to fool the mobo. Been good for

9 months now.



You'll need an old plug to connect to the laptop and you'll need to

identify +, - and signal (centre) pin.

Connect 18V into the laptop. The centre pin of the goes to pin 3 of the

PIC.

Put a ge diode anode on pin 3, cathode k on pin 2.

Put 0v on pin 7. 330n cap pin 2 to pin 7. You get about 2.5V on pin 2,

which is just enough to power the PIC. The PIC waits about 200ms and

then sends the message when requested by the mobo. There is so little

current sent by the mobo that you can barely light a LED, so only use a

DVM and dont connect anything else!



I've tested it on 2 d610 and 1 d600. Flawless!



You'll need a good grasp of electronics to make sense of this, not to

mention programming PICs. I'm not selling these and dont intend to.



Usual disclaimers apply.


Yours claimed code for PIC10F220:
-----------------
:020000040000FA
:0800080005281F28A300A40035
:100010000830A2002508A306A30C2508A300031C92
:1000200013281830A306A30C2308A5002408A30056
:100030000310A30C2308A400A20B0A280800A501A2
:10004000F0300620103006200000003006200000AE
:084000000100020003000400AE
:02400E00F93F78
:00000001FF
-----------------
WON'T work for PIC10F220, because that microchip has a 12-Bit Opcode and yours "claimed code" is for microchips with support for 14-Bit Opcode! (i.e; PIC16F688)

======
PROOF:
======
Firstly I'll format yours "claimed code":
-----------------
:02 0000 04 0000 FA
:08 0008 00 0528 1F28 A300 A400 35
:10 0010 00 0830 A200 2508 A306 A30C 2508 A300 031C 92
:10 0020 00 1328 1830 A306 A30C 2308 A500 2408 A300 56
:10 0030 00 0310 A30C 2308 A400 A20B 0A28 0800 A501 A2
:10 0040 00 F030 0620 1030 0620 0000 0030 0620 0000 AE
:08 4000 00 0100 0200 0300 0400 AE
:02 400E 00 F93F 78
:00 0000 01 FF
-----------------
Ignore first 3 columns and last 2 digit column.
Now, all 4 digit pairs, in between, are words!
And here comes an ultimate proof, that this code is for microchips with 14-Bit Opcode, meaning NOT for PIC10F220!
Code for PIC10F220, would have ZERO as third digit in EACH word, which isn't case here!

Additionally ...
It doesn't even have ANY OF LISTED IDENTIFICATION CODES of AC power supplies!
So, how can it send it, in order to emulate Dell's AC power supply?!?!

Lastly ...
Reverse engenired it and it practically does "some" nonsense!

And what you said? Oh yes ...

The code aint pretty, but it works.



This sends a fake 90W signal to the mobo to make it think a dell adapter

is connected. I needed it because I'm off grid and I only have 24VDC.

I step this down t 18V and use the PIC to fool the mobo. Been good for

9 months now.



You are liar and time waster!!!


Usual disclaimers apply.


GO **** YOURSELF, YOU TIME WASTING PIECE OF **** !!!

Corporation like to hire "smart ones" in order to bring confusion into community, so that case is also an option.
Especially because this is an INTENTIONALY DESIGNED PARASITISM FROM DELL. Well **** them!

What really frustrates me, is that NOBODY, hasn't detected at least ONE of my 3 detection steps !!!
THINK! Or OTHER will FOR YOU, straightly into THEIRS interest! Yea, be theirs bitch!
  #35  
Old May 23rd 14, 09:11 PM posted to alt.sys.pc-clone.dell
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Posts: 4
Default Dell PA-10 ac adapter center pin

On Wednesday, March 6, 2013 11:49:44 AM UTC-5, wrote:
On Sunday, 27 January 2008 19:25:32 UTC+5, wrote:

Robert,Thanks for effort on this, my PA10 cord got frayed and looks like the brief short took out the DS2105. I opened up the power supply and I do not see the Zener and resistor internal to the supply maybe they moved that circuitry into the laptop. In my PA10 the DS2105 appears to be wired without any supply to it atleast internal to the power supply.The Zener that you mentioned was it internal to the power supply or did you trace it to within you laptop?ThanksMike




Respected Robert !

I have accidently shorted the centeral pin with the inner barel of my PA-10 and now this adapter is not working.

Kindly guide me to resolve this problem because i am am very much interested to repair this myself!



Impatiently waiting for your reply!


Looks like this thread is regaining some life...if there's still anyone interested in my original source for reading the chip, I'll dig through my old files and see if I still have it, I pretty much had the entire command structure written up in code so it shouldn't be too hard for someone else to finish it. Maybe I'll even whip up a new version. Let me know.
  #36  
Old May 28th 14, 11:35 AM posted to alt.sys.pc-clone.dell
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Posts: 4
Default Dell PA-10 ac adapter center pin

Looks like this thread is regaining some life...if there's still anyone interested in my original source for reading the chip, I'll dig through my old files and see if I still have it, I pretty much had the entire command structure written up in code so it shouldn't be too hard for someone else to finish it. Maybe I'll even whip up a new version. Let me know.


I'm interested in your code, so send it to me please.
Regarding CRC, is it true that it is CRC16 and NOT CRC8, which must be used?

I had to stop coding, as I've burnt 2 elements on D830 motherboard, which prevents even original functional dell power supplies, to be recognized.
I can't continue before I fix MBO.
It is not a big deal, I just need info from someone who has D830 MBO:

http://postimg.org/image/3srx9dxel/

In attached picture, are marked 3 small transistors.
Could you please take magnifier and powerful source of light to read code from them.
The most left one, resides near MBO's mark PD2, has code KJG.
The other 2, to the right, closest to the power jack, which codes do they have?
  #37  
Old March 17th 18, 06:12 PM posted to alt.sys.pc-clone.dell
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Posts: 1
Default Dell PA-10 ac adapter center pin

Centre pin is detect to laptop where you connect is original Dell laptop or not,when detect only Dell brand,continue to charge immediately,there in 0 voltage on centre pin,in the circuit centre pin lead connect to a small transistor centre pin soldered on the board to this left or right pin of this transistor ,and left&right pins are running on 0 volts both side to sense the Dell original laptop battery,in case of out of order to charging the battery you can use to sense another pin of transister to solder the centre pin lead after doing this your centre pin sense the laptop dell ,tricky way to use charger for hole life,tip: any one pin of transistor can be use for sense the laptop dell brand battery
 




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