Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
April 7th, 2016, 2:22
Hi,
I understand that samsung HDD required to replacement identical head from donor drive that has
Forth character in the alphabetic code printed on the label at the rear side od the drive should match.
I had changed a head with different character due to unable to find the exact donor drive.
My head drive's Fourth letter is "A" ( If anyone has it, please pm me.)
Does anyone has success by modifying anything to let other character read as well?
April 7th, 2016, 2:56
terryhoho wrote:I understand that samsung HDD required to replacement identical head from donor drive that has
Forth character in the alphabetic code printed on the label
fourth char. ?
https://www.donordrives.com/blog/matching-guide#samsungterryhoho wrote:at the rear side od the drive
rear side ?
terryhoho wrote:My head drive's Fourth letter is "A" ( If anyone has it, please pm me.)
You missing some details, model for example Etc.
April 7th, 2016, 4:13
Pre amp is incompatible if a Samsung doesn't spin up after a head swap.
Can you start by telling us the model of the drive or a photo so we can help you more.
April 7th, 2016, 7:13
Hi guys,
Client drive
Model: ST1000LM024
HDD P/N : HN-M101MBB/AVA
FW : 2BA30004
REAR : M8BP2
REAR : NLGAT71Q9
DONOR
Model: ST1000LM024
HDD P/N : HN-M101MBB/LCP
FW : 2AR10001
REAR : M8E
REAR : D41C7035BN
April 7th, 2016, 10:08
Now I understand what do you mean by rear, although I never bothered with this label, but now I don't understand why would you need an "A" on the fourth char (you don't have it on the original (patient) drive)
BTW, can you post the terminal log ?
April 7th, 2016, 10:21
How do I view the terminal log?
April 7th, 2016, 10:43
terryhoho wrote:http://hddguru.com/articles/2006.02.17-Changing-headstack-Q-and-A/
According to the above link says required 4th char.
I can't find it and definitely not gonna read the entire article now, but my guess is, you mixing things up.
I'm almost positive that the fourth char. you have read about is for WD HDD's HSA replacement (fourth DCM char.)
terryhoho wrote:How do I view the terminal log?
you'll need a TTL cable for that (like
this for example)
April 7th, 2016, 18:44
jermy wrote:terryhoho wrote:http://hddguru.com/articles/2006.02.17-Changing-headstack-Q-and-A/
According to the above link says required 4th char.
I can't find it and definitely not gonna read the entire article now, but my guess is, you mixing things up.
I'm almost positive that the fourth char. you have read about is for WD HDD's HSA replacement (fourth DCM char.)
No, the article definitely refers to Samsung.
Forth character in the alphabetic code printed on the label at the rear side od the drive should match
However, the article was published in 2006, so things may have changed a lot since then.
As for WD ...
In the alphabetic DCM code the sixth (and quite desirably the fifth) characters must be identical
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