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Question HDD ROM chip replacement on PCB

Nov 13, 2019
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I put in a new PSU and fried three HDD's because I didn't use the new cables. I found a replacement for two boards and swapped out the ROM chips. The first one worked fine, the second one didn't. The second one's pcb looks like it has two ROM chips. I only replaced the one by the connectors because that's what I saw online. When I connect it externally with my adapter, it just beeps. Internal installation hangs up in bios. Can't see drive and drive recovery program can't see it either. The drive spins up, unlike before. Drive specs: Seagate ST2000DL001, Firmware: CC96, 100617465 Rev A. Do replace the second ROM chip, or send it in for service?
 
The second 8-pin chip is a FETky. There is no need to swap it.

I would say that your drive may have a preamp failure. This chip is on the headstack. That's a common consequence of an overvoltage on the +5V input.

You can use a USB-serial TTL adapter (US$5) to view the drive's error report via terminal. That should tell us more about the fault.
 
Reactions: Mandark and Frznagn
Nov 13, 2019
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I looked around for them, but sort of lost on how to use them. Any idea what it would cost to replace the preamp? hddsupliercom on ebay has fixed one drive ($60 service fee), and provided me with two pcb's which at least one was good. The drive that beeps was the only one with visual damage on the pcb.
 
Nov 13, 2019
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That is why we stress backups for any data you wish to protect.

The drive is fried. This is not a DIY job.
I have three external backup drives filled with stuff, and I'm pretty sure I have a copy somewhere of most of it. Unfortunately, I've moved around a bunch of stuff and I'm not 100% sure of what was really on it.
 

USAFRet

Titan
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Mar 16, 2013
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I have three external backup drives filled with stuff, and I'm pretty sure I have a copy somewhere of most of it. Unfortunately, I've moved around a bunch of stuff and I'm not 100% sure of what was really on it.
"but I have content on this drive that I want back. "
Hence, my comment.

In any case, this appears to be a dead drive.
Not user fixable.
 

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