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 Post subject: Toshiba THNSN2256GSPS totally dead
PostPosted: March 7th, 2018, 4:30 
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Joined: April 4th, 2008, 5:49
Posts: 37
Hi Sirs,

I received this SSD. Connected to adapter (PCI card) no signals of life. Completely dead, not recognised at all. I double checked the adapter with another SSD, adapter it's ok.

Electrical issue (if yes where to check) or Controller issue?

Thanks in advance

Max


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 Post subject: Re: Toshiba THNSN2256GSPS totally dead
PostPosted: March 7th, 2018, 6:49 
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Joined: September 8th, 2009, 18:21
Posts: 10359
Location: Australia
I would measure V1 - V4.

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ISL8022, Renesas/Intersil, Dual 2A/1.7A Low Quiescent Current 2.25MHz Synchronous Buck Regulator, Vin = 2.8V - 5.5V, marking 8022, DFN-12:
https://www.intersil.com/content/dam/Intersil/documents/isl8/isl8022.pdf

M25P16, 16-Mbit (2M x 8) serial Flash Memory, marking 25P16:
http://investors.st.com/phoenix.zhtml?c=111941&p=irol-newsArticle_print&ID=904041

M25P40VP, STMicroelectronics, 4 Mbit (512 K + 8) Serial Flash, 2.3V - 3.6V, marking P40V:
http://www.farnell.com/datasheets/40267.pdf

AN1995 - APPLICATION NOTE- Serial Flash Memory Device Marking - STMicroelectronics (January 2005):
https://www.gme.cz/data/attachments/dsh.944-048.2.pdf

TN-12-24: Serial Flash Product Marks - Micron Technology, Inc:
https://www.micron.com/~/media/Documents/Products/Technical%20Note/NOR%20Flash/tn1224_spi_marking.pdf

_________________
A backup a day keeps DR away.


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