CompactFlash, SD, MMC, USB flash storage. Anything that does not have moving parts inside.
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Re: SP SSD S55

July 30th, 2019, 15:30

Wow ,
Do Try this Experiement Worth It ,But The SSD Should Not Be In Busy Mode IMHO Otherwise Its Waste ,Might Be It Gets Out Of Busy Mode If We Increase Decrease Voltage To NAND

Re: SP SSD S55

August 1st, 2019, 15:42

Sorry for the delay. I will get to this soon. Had a few RAID's in all with rebuild issues.

Re: SP SSD S55

August 1st, 2019, 19:44

Our little experiment didn't work on this occasion. I think the principal was good, but the drive still goes BSY trying to read a sector. The drive stopped responding altogether at 2.7v, which I guess is no surprise.

It is a strange one. The generic utility in PC3000 even reports SMART status....
Attachments
SSD Power Test.PNG

Re: SP SSD S55

August 1st, 2019, 20:29

Did you try raising the voltage above 3.3V?

Re: SP SSD S55

August 1st, 2019, 20:48

Yes I went to 3.6v. The reader goes to 4.0v but did not want to go that high.

Re: SP SSD S55

August 3rd, 2019, 13:09

Thanks for indulging me. Perhaps the technique may work for other candidates. Better luck next time.

Re: SP SSD S55

August 3rd, 2019, 14:30

fzabkar wrote:Thanks for indulging me. Perhaps the technique may work for other candidates. Better luck next time.

Thanks for the help. Now we know the technique I am sure we will have many more to try.

Re: SP SSD S55

August 13th, 2024, 3:44

Ok i am digging this up cause i find it fascinating, and having the same exact problem. And might even get lucky with it

So i have a case https://forum.hddguru.com/viewtopic.php?f=10&t=44566

Upon using MPTool to read out Chip IDs i found out Bank 4 of Chip 4 is wrong, Instead of 84 it shows 8C
However, when doing chip-off to id it on PC3000 i get a good ID with 1.8V Vcc 1.8 Vccq

So now im trying to find a way to send out 1.8V Vcc to that chip/
Thanks fzabkar for pointing out the right direction
Attachments
FAULTY 507584f54affeea1b7ee3.jpg
Faulty chip and Back
4a2299af57a5f3fbaab44.jpg
Front
c2eb6de83af29eacc7e3.jpg
Not Faulty in PC3000 Chip off VCC 1.8
6580eb143763933dca72.jpg
Faulty ID in MPTools
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