ST200DX002 -2dv164 DEAD

[juan van der meulen]

This is the first time I received one of these drives with this fault and believe it is a PCB fault but not sure hunting for a new PCB will give me access to data. 

The drive does not spin up only with a memory dump in terminal  as below.

Will a ROM swap give me data even if the NAND is not swapped ?

 ERROR: Flash Led 9C17 - RestoreALFTablesToDRAM Failed - could not recover data from Tables Clump


Clump Parametrics:

                 Clump = 02EB

              DataType = 00FF

              ModeFlag = 03

            EraseCount = FFFFFFFF

        EraseFailCount = 07

      ProgramFailCount = 07

         WeakReadCount = 1F

 UncorrectableECCError = 07


---SOC PSM Command History---

 Cmd#/PsmCmd    Clump     Offset     Length     LbaMid     LbaLow   LbaBits39To32 Options   Status    DestClump  DestOffset

     0000       02EB       000E       0FF2       0000       000E       0000       C000       0001       C207       9332  


     0600       02EB       0000       1000       0000       0000       0000       C000       0001       C207       9332  


     0500       0007       01A0       0001       0000       0000       0000       C000       0080       C207       9332  


     0400       0007       01B0       0001       0000       0000       0000       C000       0080       C207       9332  


     030A       0007       01B0       0010       0000       00E1       0000       C200       0026       C207       9332  


Flash Statistics:

BridgePSMDriverID = 0x0006

FlashID ECA7 947E 64C4

Flash Manufacturer: Samsung

Flash Capacity = 00008 GB MLC

Combo Mode


NumberOfClumps = 0x0800

LBAsPerCluster = 0x0010

LBAsPerClumpMLC = 0x2000

LBAsPerClumpSLC = 0x1000

ClustersPerClumpMLC = 0x0200

ClustersPerClumpSLC = 0x0100

DefragClumpThresholdInSectors = 0x1000

UserSLCMaxSizeInClumps =         0x0300

NumberOfPotentiallyWrittenClusters = 0x0004

DefectListRevisionKey       0x0002

SLC Clumps                 0x0342


 ALFRecorder:

End of ALF Recorder Trace

[juan van der meulen]

Correction St2000DX002

---

From: datarecovery...@googlegroups.com <datarecovery...@googlegroups.com> on behalf of juan van der meulen <juanvd...@gmail.com>
Sent: 29 May 2023 3:56 PM
To: DataRecoveryCertification <datarecovery...@googlegroups.com>
Subject: ST200DX002 -2dv164 DEAD

 

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[Data Recovery Guru]

The problem is in the NAND cache.

Need the same fw version donor PCB with its NAND cache cleared out with terminal command, then write patient's ROM to the donor PCB. Put donor PCB on the patient and power up. It should work fine after that.

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[juanvd...@gmail.com]

I am 100% sure that I received a reply on the email as below but for the life of me I cant find it, so today I received a donor drive that I wiped from beginning to end and cleared the cash and backup the ROM successful. I swapped the rom from the patient to the donor pcb and the patient drive spins up get ready but the donor drive serial number display and can only read first few sectors then disk error.

 

So swapping the ROM is not the only thing and why is the serial number not that of the patient and cant get data access ?

 

Juan      

[Data Recovery Guru]

Is the donor PCB from the same version firmware drive?

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[juanvd...@gmail.com]

Yes it is and the serial number is also out with 2 digits so must be a close match, I did read that the ROM must not be swapped but the ROM from the patient must be written to the Donor ROM so busy with that and see what is going on.

 

Juan      

To view this discussion on the web visit https://groups.google.com/d/msgid/datarecoverycertification/CAHoXmq%3D4gWsDM82zh%3DqRDNETtXRrMV7dzjj8vkszuod7%2B8QmGQ%40mail.gmail.com.

[juan van der meulen]

So I am stuck with this drive it seems like it might be a ROM error because the fault get duplicated when I write the patient ROM to the donor PCB and connect to patient drive still dead nothing spins and terminal dead. 

Can the flash be disabled in the ROM or can I upload the patient ROM so that someone can see if maybe somebody else messed up this drive before ?

If I load the ROM in RAM then I get RAP CAP SAP errors and cant find it in the ROM but donor ROM loads fine 

 

Juan      

To view this discussion on the web visit https://groups.google.com/d/msgid/datarecoverycertification/CAHoXmq%3D4gWsDM82zh%3DqRDNETtXRrMV7dzjj8vkszuod7%2B8QmGQ%40mail.gmail.com.

[Data Recovery Guru]

Not aware of a way to disable the cache/flash. I think it is programmed to operate in that way.

Frank wrote that F3 Rom Explorer software. Perhaps start there to compare ROM structure inconsistencies between the patient and donor ROMs, if any.

To view this discussion on the web visit https://groups.google.com/d/msgid/datarecoverycertification/CAGTWHEZsTuZ%2B%2BbU-TAi9ViW%2BjqRPz3JV4kamZJ%2BkV-SSfPpJwg%40mail.gmail.com.

[pbzcbf...@gmail.com]

No, I didn't, but I wish I could. The author is @E123 at HDD Guru.

[juan van der meulen]

Thanks for the information about the F3 Rom reader and it works, but I am still stuck with this drive. Today I received a second donor drive that is just 2 months out from manufacturing date but it is doing the same as the first donor and not sure what I am missing. I wrote the patient ROM to the donor PCB and again the donor drive details is pickup up and no sector access, but if I read the ROM then the patient drive details is displaying in the ROM so somehow this model keep more ROM related info somewhere alse and suspect the head track info also not in the ROM. The picture will show that the drive details does not much patient CAP info directly reading from the drive ?

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[Alandata Recovery]

Not sure if this relates

But pc3k for some models showed 2 copies of the rom in the same rom.

It indicates a 1 or 2 symbol in the upper right of the rom screen.

What is that about?

If it thinks 1 is damaged does it use 2?

What if they are different?

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[pbzcbf...@gmail.com]

You need to clear the donor's data in the NAND cache. Either initialise the NAND in terminal, or secure erase the donor, or both.

https://forum.hddguru.com/viewtopic.php?f=1&t=35895

[juanvd...@gmail.com]

Just to update on this post and after two weeks I am still stuck and posted on two forums and it seems like this drive is a trade secret because I don’t get any help with this fault.

 

I formatted the donor drive via terminal and also via ATA secure erase

I initialise the NAND via terminal with the F3 T/OI command and that was successful

I recalculated the IAP CRC in the patient Rom and wrote that to donor pcb.

 

With all of this I still get the donor drive serial number details in startup but reading the ROM is does confirm that patient details is loaded but it still find “fast boot” rom details on this PCB. I did this process on many other models and never got stuck but this drive is something else.

PCB 100731495

 

Thanks

Juan

 

From: datarecovery...@googlegroups.com <datarecovery...@googlegroups.com> On Behalf Of pbzcbf...@gmail.com

Sent: Thursday, June 29, 2023 8:59 PM
To: DataRecoveryCertification <datarecovery...@googlegroups.com>

Subject: Re: FW: ST200DX002 -2dv164 DEAD

 

You need to clear the donor's data in the NAND cache. Either initialise the NAND in terminal, or secure erase the donor, or both.

 

https://forum.hddguru.com/viewtopic.php?f=1&t=35895

 

 

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[pbzcbf...@gmail.com]

The donor's ID must still be stored in the donor's NAND.

Did you try a plain secure erase or an enhanced secure erase? One thing that an enhanced secure erase does is to erase the data in reallocated sectors. Perhaps it also clears the NAND cache???

You might like to try an experiment. Patch the patient's CAP into your working donor's ROM and see if it still works. Then initialise the NAND. This will hopefully copy the patient's ID into the donor's NAND.

[juan van der meulen]

Thanks for the response and I already did a Ata erase, follow on a terminal secure erase without power cycle and then NAND format after that, with power cycle details still stuck.

I will try the CAP patch again today although I did that. I wonder if there is a manufacturer NAND reset hard wire function to try will have to look at NANd database

Juan

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[pbzcbf...@gmail.com]

All I can say is that additional operations are performed during an "enhanced" secure erase. To me it isn't clear exactly whether this was actually executed.

[juan van der meulen]

So yesterday I tried another disk tool HDAT2 select the “enhanced “ format option with HDAT2 startup disk and format successfully, power it of swap PCB to Patient drive and power on with ROM boot and confirm patient details display, power cycle and normal boot ?? 

%€*¥+^ Still the bloody donor pcb details

If i read rom module 32 it display the donor board details so this is still somewhere on the donor board, but how do I replace it with patient module because i cant read the module 32 or any other modules from faulty patient board only rom ?

Juan

On Wed, 12 Jul 2023 at 00:39, pbzcbf...@gmail.com <pbzcbf...@gmail.com> wrote:

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