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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: August 29th, 2021, 17:54 
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Joined: October 21st, 2007, 8:48
Posts: 1631
fzabkar wrote:
unknown wrote:
fzabkar wrote:
In any case, @unknown has already stated than an SSD PCB swap does work.

Yes, tested.
Without any modification.

Was the patient's data contaminated by the donor's cache???

The drive back to work with it's data inside like a brand new.
It was in a Lenovo laptop.


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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: September 3rd, 2021, 11:48 
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Joined: May 9th, 2017, 11:33
Posts: 140
pepe wrote:
The drive starts but gets stuck in bsy state if i removed the SSD board. However, attaching it live makes it get ready. pepe


Mine is quite the opposite. It starts without the SSD board. If i attach it live it goes BSY. If SSD board is connected from the beginning drive always BSY.

fzabkar wrote:
What is under the 771980 sticker on the main PCB?


Hynix H5PS5162GFR-S6C - 512Mb DDR2 SDRAM

Attachment:
2018_0611_023529_003.JPG
2018_0611_023529_003.JPG [ 2.96 MiB | Viewed 12894 times ]


Marvell 88SE9171 - One-Lane PCIe 2.0 to One-Port 6 Gbps SATA I/O Controller

Attachment:
2018_0611_023438_001.JPG
2018_0611_023438_001.JPG [ 3.06 MiB | Viewed 12894 times ]


Marvell 88i9441 - Soleil-H SATA SSHD Controller 6Gb/s SATA, Dual ARM On-Chip Processors, Encryption

Attachment:
2018_0611_023510_002.JPG
2018_0611_023510_002.JPG [ 2.74 MiB | Viewed 12894 times ]


WD REDFIN A11SP - Motor Combo IC

Attachment:
2018_0611_023556_004.JPG
2018_0611_023556_004.JPG [ 2.9 MiB | Viewed 12894 times ]


Winbond 25X40CLVIG - 4M-bit 2.5V Serial Flash Memory with uniform 4KB sectors and Dual SPI

Attachment:
2018_0611_023611_005.JPG
2018_0611_023611_005.JPG [ 2.76 MiB | Viewed 12894 times ]


The SSD SATA lines come out of SSD

Attachment:
2018_0611_024727_007.JPG
2018_0611_024727_007.JPG [ 3.35 MiB | Viewed 12894 times ]


Than go to the other side of PCB into the connector

Attachment:
2018_0611_024829_008.JPG
2018_0611_024829_008.JPG [ 3.02 MiB | Viewed 12894 times ]


Than to the main PCB and into Marvell 88SE9171 chip.

Attachment:
2018_0611_033918_001.JPG
2018_0611_033918_001.JPG [ 3.24 MiB | Viewed 12894 times ]


I could not find where the main SATA port lines go even thou i beeped all the components and pads on the pcb.

Attachment:
2018_0611_033948_002.JPG
2018_0611_033948_002.JPG [ 3.1 MiB | Viewed 12894 times ]


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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: September 3rd, 2021, 16:41 
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Joined: September 8th, 2009, 18:21
Posts: 15461
Location: Australia
In addition to the SATA Tx/Rx differential pairs, there appear to be two signals connecting U8 ("3CTCTN") to J7. I don't know how, or if, these extra signals would affect "cheating".

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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: September 3rd, 2021, 23:15 
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Joined: September 8th, 2009, 18:21
Posts: 15461
Location: Australia
According to this product sheet, SanDisk's iSSD products conform to the uSSD standard:

http://www.altec-cs.eu/downloads/Produkte/Flash_Speicherkarten/SanDisk/sandisk_oem-products_e09.pdf

Quote:
Product line iSSD:

6 Gb/s SATA interface, uSSD™ form factor standard with compact BGA-design: 8 GB - 128 GB*; up to 160 MB/s** writing, up to 450 MB/s** reading, with nCache™-acceleration technology (SanDisk‘s SLC write cache) and highly efficient power management.

Here are two uSSD products, with pinouts and pin descriptions:

https://www.intelligentmemory.com/fileadmin/pdf-datasheets/IMSBXXXXTY5SM3B-Z.pdf
http://eflash.apacerus.com/spec/3D/SV170-%C2%B5SSD_AP-USSDxxxGCx58-DPTL_Spec_rev1.8.pdf

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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: January 5th, 2022, 7:33 
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Joined: May 9th, 2017, 11:33
Posts: 140
UPDATE

Cheating with HDD connected instead of SSD did not work.

I finally got SSD pcb replacement and it worked like a charm.


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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: January 6th, 2022, 10:18 
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Joined: October 21st, 2007, 8:48
Posts: 1631
MasterT wrote:
I finally got SSD pcb replacement and it worked like a charm.

That's what I was talking about. :)

Good job.


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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: September 9th, 2022, 6:22 
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Joined: January 28th, 2020, 23:03
Posts: 12
Location: Malaysia
MasterT wrote:
UPDATE

Cheating with HDD connected instead of SSD did not work.

I finally got SSD pcb replacement and it worked like a charm.



Hi,

I have the similar patient as yours. Drive always on Busy when power up. When you said SSD PCB replacement, Did you swap anything from the patient SSD PCB to the donor SSD PCB? Or you just swap the whole SSD PCB?
I tried swapping;
1. SSD PCB only - busy
2. SSD PCB and SATA PCB with patient ROM (U12) - also busy.

I tried both method and it didnt work as well.


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 Post subject: Re: WDC WD10S21X-24R1BT0-SSHD-8GB
PostPosted: September 10th, 2022, 15:08 
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Joined: May 9th, 2017, 11:33
Posts: 140
Maybe your problem is not SSD related.


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