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 Post subject: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BURNT)
PostPosted: September 10th, 2021, 5:39 
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Attachment:
seagate-burnt-pcb-hddguru.jpeg
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ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BURNT)
See the image (PCB upper right side)

ROM is BLANK - (ORG PCB)
Attachment:
seagate-burnt-pcb-rom-hddguru.jpeg
seagate-burnt-pcb-rom-hddguru.jpeg [ 105.16 KiB | Viewed 3121 times ]


any way to Re-generate ???


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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 6:50 
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Joined: October 3rd, 2005, 0:40
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I can recover rom for this model.

pepe

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 14:14 
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See the posts by Fraser Corrance:

https://groups.google.com/g/datarecoverycertification/c/pxgCdFJARmM/m/I1rG20jxAQAJ

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 15:04 
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fzabkar wrote:


Thank you for information.


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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 15:14 
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Normally to fix this PCB you would remove the shorted 5V TVS diode and run a wire from the diode's cathode pad to the +5V pins at the SATA power connector.

http://www.users.on.net/~fzabkar/HDD/5V_TVS_fix.jpg

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 15:31 
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Quote:
ROM is BLANK - (ORG PCB)


pepe

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 15:53 
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pepe wrote:
Quote:
ROM is BLANK - (ORG PCB)


pepe

Yes, I know. See my earlier post.

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 16:06 
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checked, just didn't get how it relates here...

pepe

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 16:23 
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pepe wrote:
checked, just didn't get how it relates here...

pepe

Fraser Corrance wrote:
Put the donor PCB on the patient drive and power it up. Read the ROM using The drive should be stuck in BSY and will not come ready. Go to the terminal screen, get a T> prompt and enter r1 to read the backup copy of the RAP from the SA. Open the Service information objects window by pressing Ctrl + Alt +1, select the YModem tab, and press OK. In the new tab that opens, left click anywhere in the HEX data, press Ctrl + A to select all of the HEX data, and control Ctrl + c to copy it to the clipboard. Select the Work with Flash ROM image and read the ROM over boot code. Open the RAP file, left click anywhere in the HEX data, and press Ctrl + v to paste the data from the clipboard into the RAP file, and write the data back to the drive's ROM. Repower the drive and see if it comes RDY. If it does not, you might need to find a donor that is a closer match or possibly repeat the process to recover the patient drive's SAP file using r3F to read it over YModem.

I don't fully remember if the SAP file is 3F in other families so you may want to check the system file directory of your patient drive before moving the PCB to the patient drive.

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 16:32 
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without native sap it won't be able to lick anything up from the SA.

pepe

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 17:00 
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Joined: July 10th, 2020, 7:34
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fzabkar wrote:
pepe wrote:
checked, just didn't get how it relates here...

pepe

Fraser Corrance wrote:
Put the donor PCB on the patient drive and power it up. Read the ROM using The drive should be stuck in BSY and will not come ready. Go to the terminal screen, get a T> prompt and enter r1 to read the backup copy of the RAP from the SA. Open the Service information objects window by pressing Ctrl + Alt +1, select the YModem tab, and press OK. In the new tab that opens, left click anywhere in the HEX data, press Ctrl + A to select all of the HEX data, and control Ctrl + c to copy it to the clipboard. Select the Work with Flash ROM image and read the ROM over boot code. Open the RAP file, left click anywhere in the HEX data, and press Ctrl + v to paste the data from the clipboard into the RAP file, and write the data back to the drive's ROM. Repower the drive and see if it comes RDY. If it does not, you might need to find a donor that is a closer match or possibly repeat the process to recover the patient drive's SAP file using r3F to read it over YModem.

I don't fully remember if the SAP file is 3F in other families so you may want to check the system file directory of your patient drive before moving the PCB to the patient drive.


Go to the terminal screen, get a T> prompt ---->Not Getting the T> prompt

HDD front cover image and Video link https://youtu.be/0WPWAZzETJI

Thanks for the reply.


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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 17:13 
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Without wishing to interrupt the discussion on rebuilding the rom .. what is the likelihood the OP's rom is actually bank ? There have obviously been power issues but enough to blank the rom entirely, Id have expected to see some signs if that were the case.

OP - can you read the rom in an external reader, it doesn't look to have been off the pcb.

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 17:13 
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Have you checked if preamp is OK? there's a chance to kill the data if preamp is gone and you power it up with a donor pcb....
There's only mathematical chance it would read anything from the SA using a donor rom.

pepe

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 10th, 2021, 17:17 
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just checked that video, that rom doesn't seem like empty...

post the image pls.

pepe

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 11th, 2021, 1:14 
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Lardman wrote:
Without wishing to interrupt the discussion on rebuilding the rom .. what is the likelihood the OP's rom is actually bank ? There have obviously been power issues but enough to blank the rom entirely, Id have expected to see some signs if that were the case.

OP - can you read the rom in an external reader, it doesn't look to have been off the pcb.


Yes - Externally Read the ROM - IT IS BLANK.


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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 11th, 2021, 1:15 
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pepe wrote:
just checked that video, that rom doesn't seem like empty...

post the image pls.

pepe


ROM in Video is DONOR PCB (that why it is not Blank)


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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 11th, 2021, 1:16 
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pepe wrote:
Have you checked if preamp is OK? there's a chance to kill the data if preamp is gone and you power it up with a donor pcb....
There's only mathematical chance it would read anything from the SA using a donor rom.

pepe


DONOR PCB (and ROM) seems good - Drive is not making NOISE and stable after INIT.


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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 11th, 2021, 5:07 
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Quote:
DONOR PCB (and ROM) seems good - Drive is not making NOISE and stable after INIT.


Oh, i missed that, in fact i didn't think you would post a video with donor rom, as it is really pointless unless you want to check if your tool reads rom properly.

On the other hand, how did you try reading patient ROM? Have you tried external readers? MRT won't get anything from a damaged pcb even if ROM is fine.

pepe

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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 11th, 2021, 10:51 
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pepe wrote:
Quote:
DONOR PCB (and ROM) seems good - Drive is not making NOISE and stable after INIT.


Oh, i missed that, in fact i didn't think you would post a video with donor rom, as it is really pointless unless you want to check if your tool reads rom properly.

On the other hand, how did you try reading patient ROM? Have you tried external readers? MRT won't get anything from a damaged pcb even if ROM is fine.

pepe


Have you tried external readers? Yes

MRT won't get anything from a damaged pcb even if ROM is fine.
1. Tried Damaged PCB - Successful But BLANK. ( it is clear, INTIALLY ORG ROM is BLANK).
2. Tried Good PCB ROM READ - Successful.


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 Post subject: Re: ST31000524AS - FW:HP64 PCB:100574451 REV B - (pcb is BUR
PostPosted: September 11th, 2021, 12:06 
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Quote:
Have you tried external readers? Yes

with desoldering the patient rom?
coz you may not be able to read it in circuit if the power rail is shorted for example.

soldered it to donor pcb?

pepe

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