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Amarbir[CDR-Labs]
 Post subject: Interesting Observation - Charger [ Western Digital HDD ]
PostPosted: November 25th, 2021, 4:17 
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Location: CDRLabs @ Chandigarh [ India ]
Hello Everyone,
Got The Following HDD

1 :Western Digital WD20SDRW-11VUUS1 PCB 2060-800067-001 REV P1

The rom of This HDD is attached .When written to unlocked PCB PC 3000 gives the following

>Techno mode key
>Techno mode key......................... : Ok
>
>RAM:
>HDD Info reading........................ : Ok
>Heads number............................ : 4
>Cyl Count............................... : 384
>ROM:
>Read ROM................................ : Ok
>ROM Data size........................... : 1024 Kb
>Flash ROM dir reading................... : Ok (Active)
>Flash ROM dir reading (Ext)............. : Ok
>Modules directory address............... : 0
>SA regions address...................... : by default
>Module 02 access........................ : Granted
>
>SA SPT.................................. : 0
>
>ROM Modules:
>ROM version............................. : 06.8MD
!ROM F/W version......................... : Module ID 4F reading error Device Error Detected: "FM ERR HEADER II SIGNATURE INVALID"
>Overlay F/W version..................... : 06.8MD
>Servo F/W version....................... : 04.09
>
!Head Map Reading Error.................. : Module ID 0A reading error Device Error Detected: "FM ERR HEADER II SIGNATURE INVALID"
>
>Relocations............................. : 0 (0)

Using a DONOR ROM "No other Modifications of Changes " Drive Works And I was Also Able to read all the firmware including mod 190 ,I also get sector access but drive clicks and then registers are disco dancing with that click ,Is this a head issue or we need to make the original ROM work of because i think the encryption is in MCU of this very drive


Attachments:
ROM-04308.zip [1 MiB]
Downloaded 522 times

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
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Website-> http://www.chandigarhdatarecovery.com
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HddDonorMarket
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 25th, 2021, 4:40 
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Did you try phisically transfer U2 to donor?

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Amarbir[CDR-Labs]
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 26th, 2021, 13:04 
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Location: CDRLabs @ Chandigarh [ India ]
HddDonorMarket wrote:
Did you try phisically transfer U2 to donor?


Well,
No but i have never had a issue with the method i use ,I remove Patient And USe My Elnec /Python Programmer to read it and then program that to the Unlocked PCB

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com
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fzabkar
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 26th, 2021, 13:18 
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Joined: September 8th, 2009, 18:21
Posts: 16960
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Your ROM appears to have been modified.

Module 0x20B is being incorrectly flagged as the active directory. The real active directory should be module 0x0B.

Code:
ROYL directory module 0x000B found at 0x7F43E

Active directory flag = 0x01

Identifying SA regions ...

Reg#    Reg size     Reg loc
----  ----------  ----------
0x00  0x000A6338  0x00000000
0x01  0x000A6338  0x000AA49C

Verifying ROYL modules ...

ID          Size (bytes)         Address    Checksum
dir   hdr        dir       hdr
----  ----   --------  --------   --------   --------
0001  N/A    00004000  N/A        00000000             N/A
000A  OK     0000004E  00000200   0007E000   00000000  OK
000B  OK     0000013D  00000200   0007F43E   00000000  OK
020B  OK     0000013D  00000200   0007D43E   00000000  OK
0030  OK     00000400  OK         0007B000   00000000  OK
0047  OK     000006A4  00000800   0007E556   00000000  OK
000D  OK     00000108  00000200   0007E04E   00000000  OK
004F  OK     00000400  OK         0007E156   00000000  OK
0181  OK     00000C00  OK         0007B400   00000000  OK
01A2  OK     0000007E  00000200   0007EBFA   00000000  OK
01B6  OK     0000069E  00000800   0007EC78   00000000  OK
01B0  OK     00000128  00000200   0007F316   00000000  OK

ROYL directory module 0x020B found at 0x7D43E

Active directory flag = 0x02

Identifying SA regions ...

Reg#    Reg size     Reg loc
----  ----------  ----------
0x00  0x000A6338  0x00000000
0x01  0x000A6338  0x000AA49C

Verifying ROYL modules ...

ID          Size (bytes)         Address    Checksum
dir   hdr        dir       hdr
----  ----   --------  --------   --------   --------
0001  N/A    00004000  N/A        00000000             N/A
000A  FFFF   0000004E  01FFFE00   0007C000   0000FFEC  BAD
000B  OK     0000013D  00000200   0007F43E   00000000  OK
020B  OK     0000013D  00000200   0007D43E   00000000  OK
0181  OK     00000C00  OK         000FE400   00000000  OK
0030  OK     00000400  OK         000FE000   00000000  OK
0047  FFFF   000006A4  01FFFE00   0007C556   FFFFFE57  BAD
000D  FFFF   00000108  01FFFE00   0007C04E   FFFFFFBE  BAD
004F  FFFF   00000400  01FFFE00   0007C156   FFFFFF00  BAD
01A2  FFFF   0000007E  01FFFE00   0007CBFA   0000FFE0  BAD
01B6  FFFF   0000069E  01FFFE00   0007CC78   2643F628  BAD
01B0  OK     00000128  00000200   0007D316   00000000  OK

dir  -  Module ID/Size as reported in directory module (0x20B or 0x0B)
hdr  -  Module ID/Size as reported in module's header
N/A  -  Not Applicable
BAD  -  Module has invalid checksum. This may be due to non-existent module.

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HddDonorMarket
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 27th, 2021, 5:57 
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Joined: June 16th, 2018, 12:09
Posts: 489
Location: Usa
Amarbir[CDR-Labs] wrote:
HddDonorMarket wrote:
Did you try phisically transfer U2 to donor?


Well,
No but i have never had a issue with the method i use ,I remove Patient And USe My Elnec /Python Programmer to read it and then program that to the Unlocked PCB

Some unlocked PCB's ROM chip 512 kb. But Rom 1024. I have met problem before if write 1024 ROM.bin to 512 chip
Be sure that donor Rom size same as patient.
I have also killed unlocked PCB , after, write ROM to unlocked PCB with MRT 's ex version ( not tested wit V2.1.7.1. )
Could not fix that PCB yet. Ordered a new unlocked PCB again before MRT update

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shahij
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 27th, 2021, 14:23 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
I faced similar issue. If you keep the power on, after few seconds it will go for a restart (aka disco dance)

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fzabkar
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 27th, 2021, 14:39 
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I believe this edited ROM should work.


Attachments:
ROM-04308_edited.7z [328.74 KiB]
Downloaded 665 times

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Amarbir[CDR-Labs]
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 28th, 2021, 8:50 
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Location: CDRLabs @ Chandigarh [ India ]
fzabkar wrote:
I believe this edited ROM should work.


Hello FZabkar ,
Thanks i will try this ,If it works i will dig a bit deeper with your assistance .I also have done some work in that toshiba i will share that too with you today

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com
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DR-Kiev
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 29th, 2021, 14:38 
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Joined: March 7th, 2009, 12:43
Posts: 1091
Location: Angel Data Recovery
when it "disco dance" which Debug Stop error do you receive ?

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Amarbir[CDR-Labs]
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 30th, 2021, 3:48 
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Joined: August 15th, 2006, 3:01
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Location: CDRLabs @ Chandigarh [ India ]
fzabkar wrote:
I believe this edited ROM should work.


Hi,
I tried This Today ,Same Stuff Happening ,Do You Need a DONOR ROM For Your Reference


Techno mode key
Techno mode key......................... : Ok

RAM:
HDD Info reading........................ : Ok
Heads number............................ : 4
Cyl Count............................... : 384
ROM:
Read ROM................................ : Ok
ROM Data size........................... : 1024 Kb
Flash ROM dir reading................... : Ok
Flash ROM dir reading (Ext)............. : Ok (Active)
Modules directory address............... : 0
SA regions address...................... : by default
Module 02 access........................ : Granted

SA SPT.................................. : 0

ROM Modules:
ROM version............................. : 06.8MD
ROM F/W version......................... : Module ID 4F reading error Device Error Detected: "FM ERR HEADER II SIGNATURE INVALID"
Overlay F/W version..................... : 06.8MD
Servo F/W version....................... : 04.09

Head Map Reading Error.................. : Module ID 0A reading error Device Error Detected: "FM ERR HEADER II SIGNATURE INVALID"

Relocations............................. : 0 (0)

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com
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Amarbir[CDR-Labs]
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: November 30th, 2021, 4:08 
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Location: CDRLabs @ Chandigarh [ India ]
DR-Kiev wrote:
when it "disco dance" which Debug Stop error do you receive ?


Hi,
Using a Similiar DONOR Rom i am able to enter utility normally ,Once i am in after few seconds that disco of registers starts ,Then if i getout of the utility and login again i get this " Unknown debug stop code. 25E50 "

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com
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cheadledatarecovery
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: December 22nd, 2021, 8:36 
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Joined: February 18th, 2009, 8:08
Posts: 306
Location: Manchester, UK
I have a Charger with a similar fault reported in the patient ROM. In my patient HDD is definitely not a fault with the heads or firmware modules, see:

https://forum.hddguru.com/viewtopic.php?f=1&t=42000

Regards,
John

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Doomer
 Post subject: Re: Interesting Observation - Charger [ Western Digital HDD
PostPosted: December 22nd, 2021, 19:59 
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Joined: September 29th, 2005, 12:02
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Location: Chicago
Newer Chargers don't work with older unlocked PCBs, it happens.

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