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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 14th, 2014, 6:07 
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Joined: August 18th, 2010, 17:35
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Location: Massachusetts, USA
I would stop working with anything USB and Windows all together. Waste of time and further potentially damaging the drive. Connect via SATA directly. Hope you don't just have a laptop.

You seem reluctant using MHDD, so the simplest "let's see" at this point is taking a picture of the drive's parameters showing in BIOS and load here for review.

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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 14th, 2014, 6:08 
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Joined: August 18th, 2010, 17:35
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Location: Massachusetts, USA
I would stop working with anything USB and Windows all together. Waste of time and further potentially damaging the drive. Connect via SATA directly. Hope you don't just have a laptop.

You seem reluctant using MHDD, so the simplest "let's see" at this point is taking a picture of the drive's parameters showing in BIOS and load here for review.

Ooopps, duplicate..

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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 14th, 2014, 13:16 
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Joined: February 8th, 2012, 15:34
Posts: 12
Location: California
Thanks for the response Labtech. So, I took your advice this morning and burned a MHDD bootable CD. I was able to boot the CD, but the MHDD was not able to recognize the hard drive. I also have a 7200.11 750gb seagate drive that works fine, but MHDD didn't recognize it either. Primary or Secondary Port, or something like PC 3000

All my drives are on SATA, including BD-RE drive, so I thought maybe I needed it on a different SATA controller. I have an Intel SATA 2/3 controller and a Marvell SATA 3 controller. I made sure my BD-RE drive was on the Marvell and the hard drive on the intel controller, and MHDD still doesn't recognize it.

In the computer Bios, only the model number is recognized, my bios doesn't show drive size, I have a Gigabyte Z68 board.

Yes I am living dangerously with these old seagate drives, they are more like my scratch drives directly connected to the computer, my RAID-6 NAS with 6 drives is actually my primary storage. It's been a little while since I backed up the 1TB drive to my NAS, it would be nice to be able to verify that there is nothing I really need on it.


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 14th, 2014, 19:50 
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Joined: August 18th, 2010, 17:35
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Location: Massachusetts, USA
With MHDD have to modify BIOS setting to non-AHCI setting, skips my mind what the exact name of it is now.

But if the drive is not showing capacity in BIOS, then the issues are more advanced, firmware, mechanical, both, likely bad sectors to some degree.

Whatever you do, do not issue any random commands. You can brick your drive to no return. 7200.12 asa tricky drive.

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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 15th, 2014, 1:25 
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Joined: February 8th, 2012, 15:34
Posts: 12
Location: California
You were absolutely right, I turned off AHCI and the capacity shows in BIOS as 1000GB

Also, I started MHDD and got the following screen shot after hitting F2 to get the drive information.

Also I tried the SCAN (F4) function, but I wasn't sure if I should do that, so I stopped it after a few minutes. It looks like the drive is recognized by MHDD now. With the above information what do you think is a good next step to try to recover the data?


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 15th, 2014, 7:39 
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Joined: August 13th, 2008, 13:10
Posts: 799
Location: World
Try to clone it.

Search en forum for some free hdd clonners


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 15th, 2014, 9:34 
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Joined: February 8th, 2012, 15:34
Posts: 12
Location: California
Hmm after some searching, I am thinking about using GNU DDrescue using the ubuntun live disc and guide found here:https://help.ubuntu.com/community/DataRecovery

what do you guys think?


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 15th, 2014, 9:52 
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Joined: August 18th, 2010, 17:35
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Location: Massachusetts, USA
So far so good.

The next step is to get a picture of the SMART values.
Then after is to use the F4 command, change the start to LBA to an LBA value close to the end, maybe like a million back from the end. Press enter and then F4 again. This will scan the end of the drive. The goal here is to determine if it reads LBAs at the end of the drive just like it has been doing in the beginning per your picture.

If it does read LBAs at the end, then try to clone per hddrec's suggestion. Take ample time and study what cloning software you are most comfortable with and more importantly the one that will not leave room for errors. Do not rush in choosing. Rather, I would even suggest you practice using another working drive to get a sense of how it works. Preferably something in DOS or Linux based.

Warning: A specialized hardware imager typically used by professionals will yield the best recovery results, therefore software based cloning applications are limited in their ability to deal with failing degraded drives, hence often increasing chances of further degradation on the drive.

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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 15th, 2014, 13:26 
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Joined: February 8th, 2012, 15:34
Posts: 12
Location: California
Thanks for the response guys, I was thinking about using GNU DDRescue, what do you think?

I've worked with the Ubuntu live cd before to do a secure ata erase, and it seems that it has the GNU DDRescue, what do you guys think?

https://help.ubuntu.com/community/DataRecovery

Thank you for your help.


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 15th, 2014, 13:28 
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Joined: February 8th, 2012, 15:34
Posts: 12
Location: California
Thanks for the response guys, I was thinking about using GNU DDRescue, what do you think?

I've worked with the Ubuntu live cd before to do a secure ata erase, and it seems that it has the GNU DDRescue, what do you guys think?

Thank you for your help.


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 15th, 2014, 15:31 
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Joined: August 13th, 2008, 13:10
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Location: World
DDRescue es a ver y good option, and if you know ubuntu better


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: August 17th, 2014, 0:25 
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Joined: February 8th, 2012, 15:34
Posts: 12
Location: California
Hi labtech and hhddrec

Thank you both very much for your help. I was able to use the systemrescuecd disc to recover data from my seagate drive. It turned out that there were a total of 25 errors on the first run (reading good sectors only) and then the 2nd run to retry on the bad sectors, the total number increased to 30. Nonetheless, the total data loss was about 1MB at the end of the first run, and the bad sectors trimming took it down to 300kB, so it doesn't look like I have a lot of data loss. I am pretty fortunate. My files are now accessible on the new drive, not even sure how I will figure out which file(s) might be corrupted.

Thank you again for all your help!


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 4:56 
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Joined: September 24th, 2014, 4:42
Posts: 3
Location: Poland
Hi guys,

I also have problem with not recognizing in bios my hdd ST3500418AS - CC38. One day works fine, another day died. There was no strange noises comming out, no clicking antyhing like that. I tried the 7200.11 solution but i dont know whats goin on ... when i connecting to the terminal it says :

Rst 0x10M
(P) SATA Reset

with no reaction at all

Please help ... :(


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 5:03 
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Joined: November 9th, 2006, 15:15
Posts: 2916
Ratty wrote:
Hi guys,

I also have problem with not recognizing in bios my hdd ST3500418AS - CC38. One day works fine, another day died. There was no strange noises comming out, no clicking antyhing like that. I tried the 7200.11 solution but i dont know whats goin on ... when i connecting to the terminal it says :

Rst 0x10M
(P) SATA Reset

with no reaction at all

Please help ... :(



The terminal response you see is normal - there is nothing out of place here. Also, you already tried 7200.11 fix which means there is very good chance you clear some important entries in NRG list. If there is no unusual noises or behaviour then probably it was a simple fix for someone with the right knowledge on it. Potentially it could be some translator issue, but the 7200.11 fix 'as is' is not suitable for this. But if NRG is now gone, recovery will not be so simple and if its important you should ship it to someone reputable who can get it done for you.


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 6:13 
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Joined: August 13th, 2008, 13:10
Posts: 799
Location: World
Hi Ratty,

if 7200.11 solution not solves your drive maybe you have an intensive fw corruption, heads or media problems maybe too.

You must contact witrh local pro to get any chance if your data is important


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 6:15 
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Joined: September 24th, 2014, 4:42
Posts: 3
Location: Poland
Well ... I've tried 7200.11 fix ... but there was no response from terminal ... only (P)SATA Reset after connect.
Do you think that connection with terminal could damage NRG?


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 6:28 
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Joined: August 3rd, 2012, 7:47
Posts: 290
Location: slovenija
what have you done until now(steps).
When you try 7200.11 fix, did you type something in terminal?
did you get F3 T> or F3 F>


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 6:31 
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Joined: September 24th, 2014, 4:42
Posts: 3
Location: Poland
There was no response, i couldnt type anything. CTRL+Z gives no reaction. Its just frozen on SATA RESET.


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 10:10 
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Joined: August 13th, 2014, 18:59
Posts: 27
Location: France
Pcb is 3.3V or 1.8V?

If 1.8V, you may have no reply to ctrl-z.

fzabkar wrote:
I would purchase a USB-LVTTL adapter based on the CP2104 bridge or perhaps the "D" version of the PL-2303HX controller. You will probably find that the standard offerings only support 3.3V supplies, but it would be very simple to modify them for 1.8V and 2.5V using fixed or adjustable LDO regulators (eg LD1117-18).

See http://http://www.alexsoft.org/viewtopi ... 192&p=1779

For example, a typical CP2104 design would connect the VDD output from the IC's internal 3.3V regulator to the IC's VIO input. To modify this design for 1.8V I/O, you would cut this VDD-VIO connection and wire the output of your external LDO regulator to the VIO pin.

Alternatively, see the level shifter in the following thread:
viewtopic.php?f=1&t=29286

It works by converting a 0V-1.8V output range from the HDD to a 0.6V-2.4V input range for the bridge.


But I think 7200.11 fix is only for 7200.12 with large 3.3V pcb.


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 Post subject: Re: Seagate 7200.12 - need help with diagnosis and/or fix
PostPosted: September 24th, 2014, 16:35 
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Joined: September 8th, 2009, 18:21
Posts: 9073
Location: Australia
The "m" command in the 7200.11 fix should not be applied to 7200.12 models. It results in partial LBA access due to a failure to account for a non-resident G-list. Apparently the fix works provided that the NRG-list is empty, but fails otherwise. That's why some "professionals" have reported success in the past.

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