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jerovsek
 Post subject: Seagate Barracude 7200.10 ST380215A
PostPosted: December 16th, 2013, 7:32 
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Joined: August 3rd, 2012, 7:47
Posts: 396
Location: slovenija
Hello,

I'm unable to communicate wit ST380215A via terminal
TX upper second pin right to left
RX lower second pin right to left
ground first pin right to left
baudrate 9600
FW: 3.AAC


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HaQue
 Post subject: Re: Seagate Barracude 7200.10 ST380215A
PostPosted: December 16th, 2013, 20:51 
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Joined: December 4th, 2012, 1:35
Posts: 3903
Location: Adelaide, Australia
I think the baud should be 38,400
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fzabkar
 Post subject: Re: Seagate Barracude 7200.10 ST380215A
PostPosted: December 17th, 2013, 3:33 
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Joined: September 8th, 2009, 18:21
Posts: 16955
Location: Australia
RX/TX signals on Seagate hard drives:
http://atola.com/products/insight/manua ... ction.html

Quote:
3. Open up the terminal window, select the port number and speed (for Seagate 7200.10 and older: 9600; for 7200.11 and newer: 38400);

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fzabkar
 Post subject: Re: Seagate Barracude 7200.10 ST380215A
PostPosted: December 17th, 2013, 3:52 
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The "[10]24k" would suggest that the baud rate is correct. Other than verifying the parity and start/stop bit settings, I would measure the voltage levels on both sides of the TTL interface. I would also confirm the grounding.

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pcimage
 Post subject: Re: Seagate Barracude 7200.10 ST380215A
PostPosted: December 17th, 2013, 4:13 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
Yes, and the "Mas" is the start of the "Master" output from a healthy drive of this type.

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jerovsek
 Post subject: Re: Seagate Barracude 7200.10 ST380215A
PostPosted: December 17th, 2013, 5:24 
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Joined: August 3rd, 2012, 7:47
Posts: 396
Location: slovenija
Hello,

Problem SOLVED. It was problem with grounding, like Mr. Zabkar mentioned.
I connect ground directly to HDD.

HaQue, thank you for your baud rate suggestion. For this model is 9600

Thank you Mr. Zabkar, HaQue and PCImage for your replays and support
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jerovsek
 Post subject: Re: Seagate Barracude 7200.10 ST380215A
PostPosted: December 17th, 2013, 5:26 
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Joined: August 3rd, 2012, 7:47
Posts: 396
Location: slovenija
ground on HDD chasis/screw


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HaQue
 Post subject: Re: Seagate Barracude 7200.10 ST380215A
PostPosted: December 17th, 2013, 11:07 
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Joined: December 4th, 2012, 1:35
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Location: Adelaide, Australia
glad you got it sorted. Thanks fzabkar
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