SEAGATE ST6000VX0023

[Data Recovery Planet]

Where is the ROM chip ?,
Drive is not power up, even try to read rom using terminal with PC3000, but gives error, on Donor PCB the patient drive spin up, but how to transfer ROM ?  

[compos mentis]

4A9A + 505 is the ROM.

I think this part is similar:

W25Q16JWBYIM, Winbond, 16Mbit serial flash, 1.8V, Quad SPI, marking 4Ayw + JIM, WLCSP-8:

https://www.mouser.com/datasheet/2/949/W25Q16JW_RevD_01152020_Plus-1760324.pdf

[D. P. Computers]

Please see the attached photo,thats is the Rom.

On Tue, 14 Jul, 2026, 9:34 pm Data Recovery Planet, <datarecove...@gmail.com> wrote:

Where is the ROM chip ?,
Drive is not power up, even try to read rom using terminal with PC3000, but gives error, on Donor PCB the patient drive spin up, but how to transfer ROM ?  

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[compos mentis]

No, that is a MOSFET.

[Data Recovery Planet]

This is the ROM i think

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[compos mentis]

Yes.

[pbzcbf...@gmail.com]

I would use a pogo-pin adaptor to read the ROM in-situ. Use the SOIC-8 pads rather than the IC itself.

Remember that this is a 1.8V device.

[Data Recovery Planet]

Thanks I will try and share review. 

What is the suggested 1.8v controlled programmer model? 

On Tue, Jul 14, 2026, 10:33 PM pbzcbf...@gmail.com <pbzcbf...@gmail.com> wrote:

I would use a pogo-pin adaptor to read the ROM in-situ. Use the SOIC-8 pads rather than the IC itself.

Remember that this is a 1.8V device.

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[wayne horner]

is terminal reading with bootcode blocked?

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[Data Recovery Planet]

Not really blocked, but giving error while trying to read, might me power issue

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[compos mentis]

Does the PCB spin up the drive? I can help with PCB diagnosis if the PCB is dead.

[Data Recovery Planet]

No PCB is not spin up the drive, not even bsy light

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[compos mentis]

Measure the 5V and 12V fused test points.

[Data Recovery Planet]

Tested, all found good, 

But no output on spindle motor connector and bios connector

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[compos mentis]

What are these two voltages?

It seems to me that the motor controller might be dead.

[RecuperoDati299]

Do you own a clip for ROM reading?

In detail I mean the one that has the vertical needles.

It looks like that nano ROM is sitting in the middle of a matching standard ROM place

It appears like the board could have been delivered with standard ROM too (some other configuration)

so if you clip on the outer standard PINs , I bet you could read the ROM.

Then the reverse could be done on the patient , unless PC-3000 or DLF or MRT are supporting the ROM write on such family.

R. @ RecuperoDati299 

Il giorno 14 luglio 2026, alle ore 18:04, Data Recovery Planet <datarecovery...@googlegroups.com> ha scritto:

Where is the ROM chip ?,
Drive is not power up, even try to read rom using terminal with PC3000, but gives error, on Donor PCB the patient drive spin up, but how to transfer ROM ?  

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