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outbreak198x
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 21st, 2022, 11:25 
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Joined: July 23rd, 2015, 6:40
Posts: 123
Location: Austria
Yep - Vcc from MSP is connected to Out of NL
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outbreak198x
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 21st, 2022, 11:50 
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Joined: July 23rd, 2015, 6:40
Posts: 123
Location: Austria
Changed MSP430 - and what should i say - i'm IN ;)

Thx for everything
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fzabkar
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 21st, 2022, 12:04 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
outbreak198x wrote:
in any case, NL is not dead :D - working on donorpcb

it's not easy to find out, because both sides...

i think i know where the 1,8V came from

Attachment:
resistor.png


maybe this should be just a 0-Ohm Resistor? should i try to short it :D - i'm so shy

No, don't short it yet. You still haven't told us where the diode is connected. Is there a marking code on it? Where is the 4.4V coming from?

Measure the resistance of the resistor on your patient and donor.

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outbreak198x
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 21st, 2022, 12:18 
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Joined: July 23rd, 2015, 6:40
Posts: 123
Location: Austria
fzabkar wrote:
outbreak198x wrote:
in any case, NL is not dead :D - working on donorpcb

it's not easy to find out, because both sides...

i think i know where the 1,8V came from

Attachment:
resistor.png


maybe this should be just a 0-Ohm Resistor? should i try to short it :D - i'm so shy

No, don't short it yet. You still haven't told us where the diode is connected. Is there a marking code on it? Where is the 4.4V coming from?

Measure the resistance of the resistor on your patient and donor.


Finally it already works :)
but i can check when cloned if you want ;)
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fzabkar
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 21st, 2022, 12:19 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
outbreak198x wrote:
Changed MSP430 - and what should i say - i'm IN ;)

That must mean that the "NL" LDO must getting its power from 5Vin rather than 5Vout. I wonder if the heating that you sensed was actually coming from the resistor rather than the diode. On another Crucial SSD there was a 10 ohm resistor in series with the supply to the MSP430.

Here is another soft start thread:

https://forum.hddguru.com/viewtopic.php?f=10&t=33908&p=269986#p269986

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Last edited by fzabkar on March 21st, 2022, 12:28, edited 2 times in total.

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outbreak198x
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 21st, 2022, 12:21 
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Joined: July 23rd, 2015, 6:40
Posts: 123
Location: Austria
fzabkar wrote:
outbreak198x wrote:
Changed MSP430 - and what should i say - i'm IN ;)

That must mean that the "NL" LDO must getting its power from 5Vin rather than 5Vout. I wonder if the heating that you sensed was actually coming from the resistor rather than the diode. On another Crucial SSD, there was a 10 ohm resistor in series with the supply to the MSP430.


it's a 10 Ohm restistor, and yes, i think that's what was hot - but my FLIR cam is on the way, so in future, i can send you thermal pics ;)
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gold6565
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 21st, 2022, 15:23 
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Joined: February 18th, 2020, 9:35
Posts: 71
Location: Ukraina
Read the ROM on the programmer and put it here, there may be problems with it.
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outbreak198x
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 22nd, 2022, 4:45 
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Joined: July 23rd, 2015, 6:40
Posts: 123
Location: Austria
gold6565 wrote:
Read the ROM on the programmer and put it here, there may be problems with it.


no - i already changed ROM before ;)

but as written, Problem is solved by changing MSP Chip
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gold6565
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 22nd, 2022, 7:12 
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Joined: February 18th, 2020, 9:35
Posts: 71
Location: Ukraina
The ROM is unique, for each SSD, it cannot be changed, and it has a block that is responsible for the MSP
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outbreak198x
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 22nd, 2022, 7:15 
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Joined: July 23rd, 2015, 6:40
Posts: 123
Location: Austria
gold6565 wrote:
The ROM is unique, for each SSD, it cannot be changed, and it has a block that is responsible for the MSP

i know that it is unique, it was just a Test to find out if the ROM Chip was faulty.

but as told - i already have all the data
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outbreak198x
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 22nd, 2022, 8:33 
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Joined: July 23rd, 2015, 6:40
Posts: 123
Location: Austria
FLIR arrived :D

have to play around with it, but first images shows me, that i'm not that bad at guessing temperatures :D

Attachment:
IMG_5716.JPG
IMG_5716.JPG [ 1.1 MiB | Viewed 7267 times ]


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Lardman
 Post subject: Re: Crucial MX300 - No SATA connection
PostPosted: March 22nd, 2022, 8:51 
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Joined: November 7th, 2020, 5:31
Posts: 1290
Location: United Kingdom
Not sure what your calibration is like, but flip the pcb over and check it again.

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