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 Post subject: WD20NMVW-11EDZS7 Shrek LT Module Problem ???
PostPosted: May 12th, 2019, 21:50 
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Posts: 205
Location: Turkey
WD20NMVW-11EDZS7 Shrek LT
sn: wxa1eb6d9hoj
dcx DE70BWZ9
dcm EHMTJBKB
date 01 sep 2017

Working with MRT

1 week ago I have looked this drive. I coulnt see any ID info and any modules. I guessed dead head case.
Today I decided to try with LDR.
I tried this http://files.hddguru.com/index.php?acti ... hrek%20LT&


I can get XYZ with 0 gb.
I Could check heads :
H0, 1 , 2 , 3 fine
4 5 6 7 8 bad
I Could read some modules. backed up
BY ID: 01 31 33
COPY 1 : 0C 01 02 03 32 35 36 40 49



Code:
Technology mode key : ..........................: OK

RAM:
Read HDD Info : ................................: OK
Heads number : .................................: 8
Head map : .....................................: FF
SA Cyl Count : .................................: 256
Serials Mark : .................................: 0xFE16
Control version : ..............................: A5C0

Zone allocation table : ........................: Err

ROM:
Read Rom Infos : ...............................: OK
ROM Data Size : ................................: 256 Kb
ROM version : ..................................: 21.4AH
ROM generation : ...............................: 21.4AH
Link table version : ...........................: N0.41
ROM Firmware version : .........................: 0021004A

ROM Modules:
Flash ROM dir reading : ........................: OK
Switched off heads : ...........................: Yes
Heads number : .................................: 0x8
Heads number in use : ..........................: 0x8
heads map : ....................................: 0,1,2,3,4,5,6,7


Load LDR(0x1B), As permanent overlay...
Send Data(0x1B) : ..............................: OK

Load LDR(0x11), As permanent overlay...
Send Data(0x11) : ..............................: Err(Send Data Fail)
Load LDR : .....................................: Err



load 01...
load 01 to HDD RAM...
The data source : ..............................: HDD
Get 01 module from HDD : .......................: OK
Load module list : .............................: OK
Zone allocation table : ........................: Err


Open SA access ...
Get SA access information : ....................: OK
Check SA access data : .........................: OK
Open SA access : ...............................: OK

Load LDR(0x1B), As permanent overlay...
Send Data(0x1B) : ..............................: OK

Load LDR(0x11), As permanent overlay...
Send Data(0x11) : ..............................: Err(Send Data Fail)
Load LDR : .....................................: OK


load 01...
load 01 to HDD RAM...
The data source : ..............................: HDD
Get 01 module from HDD : .......................: OK
Load module list : .............................: OK
Zone allocation table : ........................: OK
SA SPT : .......................................: 1480


Open SA access ...
Get SA access information : ....................: OK
Check SA access data : .........................: OK
Open SA access : ...............................: OK

Load LDR(0x411), As permanent overlay...
Send Data(0x411) : .............................: OK

Load LDR(0x11), As permanent overlay...
Send Data(0x11) : ..............................: Err(Send Data Fail)
Load LDR : .....................................: OK


load 01...
load 01 to HDD RAM...
The data source : ..............................: HDD
Get 01 module from HDD : .......................: OK
Load module list : .............................: OK
Zone allocation table : ........................: OK
SA SPT : .......................................: 1480


Open SA access ...
Get SA access information : ....................: OK
Check SA access data : .........................: OK
Open SA access : ...............................: OK

Upload 02 ...
Get module list from HDD : .....................: OK
Load module list : .............................: OK
Get 02 module from HDD : .......................: failed

Upload 02 ...
Get module list from HDD : .....................: OK
Load module list : .............................: OK
Get 02 module from HDD : .......................: failed



Executing SA structure test
ID    :   Copy    : Importance :   ABA      : Size   : Read  : Hdr   :  CS Value     calc/read    : Version       : Desription
-------------------------------------------------------------------------------------------------------------------------------------
0001  :   ByID   :      B     :   00119812 :     20 :    Ok :    Ok :           1AFA6807/1AFA6807 :     00020000 :  Modules directory
0035  :   ByID   :     Dd     :   00000032 :      A :    Ok :    Ok :           4AF42212/4AF42212 :     1028-D50 :  SA Defects
0002  :   ByID   :      B     :   00119844 :      5 :   Err :   Err :           00000000/00000000 :  not find    :  Configuration (HDD ID)
0011  :   ByID   :      B     :   00120832 :    566 :   Err :   Err :           00000000/00000000 :  not find    :  microprogram code
0033  :   ByID   :     Dd     :   00002524 :    4EC :    Ok :    Ok :           2CE1F777/2CE1F777 :     00150000 :  P-List (Primary defect list)
0031  :   ByID   :     Ad     :   00003784 :    5A5 :    Ok :    Ok :           45AB8DB0/45AB8DB0 :     00400000 :  Translator
000C  :   ByID   :      B     :   00005229 :      C :    Ok :    Ok :           8B0FD7A3/8B0FD7A3 :     00010100 :  Models table
0032  :   ByID   :     Ad     :   00005289 :     3C :    Ok :    Ok :           70E66943/70E66943 :     00170000 :  Relo Bad Block Module
0036  :   ByID   :     Ad     :   00005349 :     2C :    Ok :    Ok :           338D7881/338D7881 :     00010000 :  T-List Module
0040  :   ByID   :     As     :   00005404 :    226 :    Ok :    Ok :           C0697EDE/C0697EDE :     00010000 :  Adaptive data
0049  :   ByID   :     As     :   00008922 :      E :    Ok :    Ok :           669706A8/669706A8 :     00010000 :  Adaptive data
0003  :   ByID   :     As     :   00008970 :    151 :    Ok :    Ok :           E095E5CA/E095E5CA :     00020000 :  Format Select Data Module
-------------------------------------------------------------------------------------------------------------------------------------
SA structure test is completed!



Executing SA structure test
ID    :   Copy    : Importance :   ABA      : Size   : Read  : Hdr   :  CS Value     calc/read    : Version       : Desription
-------------------------------------------------------------------------------------------------------------------------------------
0001  :   Copy0   :      B     :   00119812 :     20 :    Ok :    Ok :           1AFA6807/1AFA6807 :     00020000 :  Modules directory
0035  :   Copy0   :     Dd     :   00000032 :      A :    Ok :    Ok :           4AF42212/4AF42212 :     1028-D50 :  SA Defects
0002  :   Copy0   :      B     :   00119844 :      5 :    Ok :   Err :           9656D869/58585858 :     XXXXXXXX :  Configuration (HDD ID)
0011  :   Copy0   :      B     :   00120832 :    566 :   Err :   Err :           00000000/00000000 :  not find    :  microprogram code
0033  :   Copy0   :     Dd     :   00002524 :    4EC :   Err :   Err :           00000000/00000000 :  not find    :  P-List (Primary defect list)
0031  :   Copy0   :     Ad     :   00003784 :    5A5 :   Err :   Err :           00000000/00000000 :  not find    :  Translator
000C  :   Copy0   :      B     :   00005229 :      C :    Ok :    Ok :           8B0FD7A3/8B0FD7A3 :     00010100 :  Models table
0032  :   Copy0   :     Ad     :   00005289 :     3C :    Ok :    Ok :           70E66943/70E66943 :     00170000 :  Relo Bad Block Module
0036  :   Copy0   :     Ad     :   00005349 :     2C :    Ok :    Ok :           338D7881/338D7881 :     00010000 :  T-List Module
0040  :   Copy0   :     As     :   00005404 :    226 :    Ok :    Ok :           C0697EDE/C0697EDE :     00010000 :  Adaptive data
0049  :   Copy0   :     As     :   00008922 :      E :    Ok :    Ok :           669706A8/669706A8 :     00010000 :  Adaptive data
0003  :   Copy0   :     As     :   00008970 :    151 :    Ok :    Ok :           E095E5CA/E095E5CA :     00020000 :  Format Select Data Module
0001  :   Copy1   :      B     :   00498692 :     20 :    Ok :    Ok :           F4F98125/1AFA6807 :     00020000 :  Modules directory
0035  :   Copy1   :     Dd     :   00378912 :      A :    Ok :    Ok :           4AF42212/4AF42212 :     1028-D50 :  SA Defects
0002  :   Copy1   :      B     :   00498724 :      5 :    Ok :   Err :           D9F0E851/54D0BE71 :     °T_Ô³}±E :  Configuration (HDD ID)
0011  :   Copy1   :      B     :   00499712 :    566 :   Err :   Err :           00000000/00000000 :  not find    :  microprogram code
0033  :   Copy1   :     Dd     :   00381404 :    4EC :   Err :   Err :           00000000/00000000 :  not find    :  P-List (Primary defect list)
0031  :   Copy1   :     Ad     :   00382664 :    5A5 :   Err :   Err :           00000000/00000000 :  not find    :  Translator
000C  :   Copy1   :      B     :   00384109 :      C :    Ok :    Ok :           8B0FD7A3/8B0FD7A3 :     00010100 :  Models table
0032  :   Copy1   :     Ad     :   00384169 :     3C :    Ok :    Ok :           70E66943/70E66943 :     00170000 :  Relo Bad Block Module
0036  :   Copy1   :     Ad     :   00384229 :     2C :    Ok :    Ok :           338D7881/338D7881 :     00010000 :  T-List Module
0040  :   Copy1   :     As     :   00384284 :    226 :    Ok :    Ok :           C0697EDE/C0697EDE :     00010000 :  Adaptive data
0049  :   Copy1   :     As     :   00387802 :      E :    Ok :    Ok :           669706A8/669706A8 :     00010000 :  Adaptive data
0003  :   Copy1   :     As     :   00387850 :    151 :    Ok :    Ok :           E095E5CA/E095E5CA :     00020000 :  Format Select Data Module
-------------------------------------------------------------------------------------------------------------------------------------
SA structure test is completed!




Here report file:
Attachment:
WorkLog.rtf [46.9 KiB]
Downloaded 9 times



I checked Mode 02
Cannot read BY ID

COPY 0 starting with xxxxxxxxxxxxxx
COPY 1 looked ok.

I rewrited good m02 over one, but I dont remember which one have been writed by good m02. I guess rewrited copy0

Now there is no good mod 02 even ID, Copy0, copy 1.

I afraid rewrite it again. I couldnt decide which one is good copy.


Also there is no mod 11 except LDR file that I found.
and I couldnt see user data .

Need Help and advices.
Is it firmware problem or necessary to swap head. And which way should I follow?


Modules and log attached.


Attachments:
Modules.rar [140.73 KiB]
Downloaded 8 times

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 Post subject: Re: WD20NMVW-11EDZS7 Shrek LT Module Problem ???
PostPosted: May 13th, 2019, 3:34 
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Joined: July 12th, 2010, 4:38
Posts: 1144
Location: Portugal
Why don't you swap heads?

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 Post subject: Re: WD20NMVW-11EDZS7 Shrek LT Module Problem ???
PostPosted: May 13th, 2019, 5:18 
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Joined: February 2nd, 2019, 1:21
Posts: 109
Location: Sri Lanka
i think you should swap the heads.
if 4 heads ok and rest of others heads are not working mean, there can be filter damage or platter damage or residue inside.
sometimes all heads have poor reading since HSA has an error like preamp.

so just try to swap the heads and check filters and other.


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 Post subject: Re: WD20NMVW-11EDZS7 Shrek LT Module Problem ???
PostPosted: May 13th, 2019, 10:55 
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Joined: June 16th, 2018, 12:09
Posts: 205
Location: Turkey
I am searching and waiting for donor.
Thanks for response

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 Post subject: Re: WD20NMVW-11EDZS7 Shrek LT Module Problem ???
PostPosted: May 19th, 2019, 15:13 
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Joined: December 6th, 2012, 8:49
Posts: 215
Location: españa
pclab wrote:
Why don't you swap heads?

Changing the head block should be the last option and probably will not be the solution in this case.

As far as the op comments nothing indicates that the problem is heads (although it can be), but before changing the block of heads would look at other ways.

It is a shrek LT (SED)....... mod 11, 31, 02.... cannot be read..., well, nothing new on the horizon......


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 Post subject: Re: WD20NMVW-11EDZS7 Shrek LT Module Problem ???
PostPosted: May 20th, 2019, 14:00 
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Joined: June 16th, 2018, 12:09
Posts: 205
Location: Turkey
colanco wrote:
pclab wrote:
Why don't you swap heads?

Changing the head block should be the last option and probably will not be the solution in this case.

As far as the op comments nothing indicates that the problem is heads (although it can be), but before changing the block of heads would look at other ways.

It is a shrek LT (SED)....... mod 11, 31, 02.... cannot be read..., well, nothing new on the horizon......


SED ?
I should consider this info. I had read ROM from USB PCB (patient), and writed to Sata PCB.
Patient hdd dropped case. I guessed head issue. I am researching a cheap donor still.

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