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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 24th, 2026, 10:10 
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Here is a reference circuit for an SM2258XT:

https://www.hddoracle.com/download/file.php?id=9650

There are three LEDs.

One is a power LED driven directly from the 5V input after passing through the e-fuse.

The other two are driven by the controller. One is an activity LED connected to P10 / GPIO1[0]. The other is connected to P15 / GPIO1[5].


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controller_GPIO1_0_5.gif
controller_GPIO1_0_5.gif [ 57.69 KiB | Viewed 4178 times ]

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 24th, 2026, 11:09 
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Lardman wrote:
Do you know if that's a power or activity LED - If you have a working donor why no just swap the nand over and get the recovery completed for the client you can work on the why this one does work after.


I dont have the exact donor. That's the problem. The Patient and the donor have different BGA NANDs

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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 24th, 2026, 12:59 
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SM2259XT also supports 3 LEDs:

https://blog.acelab.eu.com/wp-content/uploads/2026/01/2025-11-26-20.59.001.png

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 24th, 2026, 13:19 
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fzabkar wrote:
SM2259XT also supports 3 LEDs:

https://blog.acelab.eu.com/wp-content/uploads/2026/01/2025-11-26-20.59.001.png


Mine from Teamgroup have onle 1 LED in the middle
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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 24th, 2026, 13:38 
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It's not a power LED. It must be some kind of activity indicator, as @Lardman has suggested. I think you have a firmware problem, or maybe there is an issue with an encryption key??? If you have another SM2259XT donor, you could try to swap its controller into your first donor and see how it behaves.

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 28th, 2026, 13:23 
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Well, i managed to get a donor board. Swapped the NAND over. And it turns out both Controller and Nand have problems. Controller is 100% dead. Nand lost 1 channel
The SSD is beyond unrecoverable. SAD


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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 28th, 2026, 14:05 
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Why is PC3K sensing a 64Mb (64Mbyte?) capacity?

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 28th, 2026, 14:41 
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fzabkar wrote:
Why is PC3K sensing a 64Mb (64Mbyte?) capacity?


64Gb, i don't know why up until now it still shows 64Mb. It is programs issue. The interface still have russian here and there
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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 28th, 2026, 14:46 
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Lardman
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 28th, 2026, 18:26 
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Double check the nand, you should be able to at least ID them in whatever flash tool you have PC300 flash? If you can't at least you can say you tried, obviously wont help you with recovery but might improve the prognosis.

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 29th, 2026, 11:05 
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Joined: April 17th, 2022, 22:39
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Lardman wrote:
Double check the nand, you should be able to at least ID them in whatever flash tool you have PC300 flash? If you can't at least you can say you tried, obviously wont help you with recovery but might improve the prognosis.


Yep, i double checked in pc3000 flash. Nand can only ID 1st part. 2nd part is dead
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