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 Post subject: OCZ Vertex 2 (AKA paperweight)
PostPosted: April 28th, 2018, 18:13 
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Joined: April 4th, 2008, 1:46
Posts: 161
Location: Michigan, USA
I have a Vertex 2 60GB that just came in. Thermal image looks normal. Power usage is normal for idle.

Drive doesn't identify at all. Green power light is on, red Fault light is on, blue Activity light is not on. My research suggests that it might be a controller lockup issue.

My last experience with OCZ was a Solid2 drive that was solved by shorting the data legs of the serial EEPROM/flash chip and, powering it on, and then removing the short after a couple of minutes. That isn't working here.

Anyone have any suggestions?

Customer doesn't want to put much more than a couple hundred dollars into it. I'm into it for the learning experience at this point. If it wastes 7 or 8 hours of my time, so be it. They literally told me to throw it in the garbage if I want to if I can't solve it easily.


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 Post subject: Re: OCZ Vertex 2 (AKA paperweight)
PostPosted: April 30th, 2018, 23:54 
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Joined: April 4th, 2008, 1:46
Posts: 161
Location: Michigan, USA
In case it gives some ideas:

Bottom of PCB: https://drive.google.com/open?id=1oU5m2 ... kPgHi0ru6Y

Top of PCB: https://drive.google.com/open?id=1I8SbP ... km2l0lPpc9

The drive outputs data at 115kbps via serial port when started, and it turns into a string of failure messages if EEPROM fata is shorted.


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 Post subject: Re: OCZ Vertex 2 (AKA paperweight)
PostPosted: May 8th, 2018, 3:41 
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Joined: April 4th, 2008, 1:46
Posts: 161
Location: Michigan, USA
Here's the serial output dump..Most of it's garbage. If I delete the "▒" characters, I get this, which starts to be more intelligible, with some readable strings:

Quote:

CLI> PINRST
*** ROM 106 Mar 12 2009 20:29:35 ***
FW_SRC 0 SHA PASS!
*** EEPROM 202 Apr 30 2010 16:53:54 BuildServer:FW_Common_Critical_Fixes:FW_Common_Build_Release-247324 ***
Micron Timing EPch
*** Patch 1.4.1 Oct 26 2010 16:51:37 BuildServer:RC_3_4_0_MP3_again:P1_3_4_3_MP3_Patch1_snapshot2-278118 ***
Micron Timing EPch
RCPch SAK0
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Assuming this is a panic lock situation, where does that lockup exist? Is it somewhere in the linear flash/eeprom chip, or is it actually something "flagged" somehow on the main NAND?


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 Post subject: Re: OCZ Vertex 2 (AKA paperweight)
PostPosted: May 8th, 2018, 10:27 
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Joined: December 4th, 2012, 1:35
Posts: 3844
Location: Adelaide, Australia
looks like Baud rate changes shortly after bootup


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 Post subject: Re: OCZ Vertex 2 (AKA paperweight)
PostPosted: May 8th, 2018, 13:02 
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Joined: April 4th, 2008, 1:46
Posts: 161
Location: Michigan, USA
HaQue wrote:
looks like Baud rate changes shortly after bootup


Nope. There's still intelligible text in there. I have tried two interfaces, one of which can automatically synchronize data rates.

115200 N 8 1.


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