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HGST Drives not turning on with 3.3V SATA power

Go to solution Solved by AbydosOne,
51 minutes ago, maateo0511 said:

I could put either electrical tape or Kapton tape, which is the best for reliability / is the safest?

Kapton would be the best choice. Scotch tape works in a pinch (mine wore through eventually and temporarily took down my array lol). I'd be worried that electrical tape would be too thick.

 

If you have insulation displacement connector (IDC) style SATA power plugs, you can unclip the back, wiggle the 3V3 wire out, and snap the cap back on. Tape over the exposed 3V3 wire and you're good to go.

 

Or be extra like me and design a custom SATA backplane PCB with jumper blocks to enable/disable 3V3 per drive...

Hello, I have recently bought some HGST drives on serverpartdeals, but I just realized that if it recieves 3.3V power it prevents it from powering on. From what I've seen , I could put either electrical tape or Kapton tape, which is the best for reliability / is the safest? I want to avoid SATA extension cables since those could fail and short.

Thanks for the help 🙂

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3 minutes ago, maateo0511 said:

I want to avoid SATA extension cables since those could fail and short.

any cable could in theory fail and short.

 

if you have kapton tape, that's the better option. it's more heat resistant, thinner, and stronger.

but i've defenately even sunk as low as painters tape to block off contacts on connectors.

 

but, what are you using to power the drives? 

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5 minutes ago, manikyath said:

any cable could in theory fail and short.

 

if you have kapton tape, that's the better option. it's more heat resistant, thinner, and stronger.

but i've defenately even sunk as low as painters tape to block off contacts on connectors.

 

but, what are you using to power the drives? 

The PSU is a Seasonic B12 650W

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Just now, Electronics Wizardy said:

You could also cut the 3v3 cable in the PSU sata cable. I don't think any recent drives have uses 3v3 power, and its not that hard to fix if needed later on.

The thing is that the PSU is brand new, still has warranty, I want to avoid modifying it for now

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22 minutes ago, maateo0511 said:

The thing is that the PSU is brand new, still has warranty, I want to avoid modifying it for now

You wouldn't be modifying the PSU, just one of the modular cables. This won't matter, and you don't generally need the cables for warranty anyways with modular PSUs. 

 

You also could just get the hard drives without the power disable "feature" WD does make them in both styles IIRC. 

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You can also pull the pin off the PSU-side connector so it can be put it back in if needed.

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3 minutes ago, OhioYJ said:

You wouldn't be modifying the PSU, just one of the modular cables. This won't matter, and you don't generally need the cables for warranty anyways with modular PSUs. 

 

You also could just get the hard drives without the power disable "feature" WD does make them in both styles IIRC. 

It's not modular lol, thanks for the advice though

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51 minutes ago, maateo0511 said:

I could put either electrical tape or Kapton tape, which is the best for reliability / is the safest?

Kapton would be the best choice. Scotch tape works in a pinch (mine wore through eventually and temporarily took down my array lol). I'd be worried that electrical tape would be too thick.

 

If you have insulation displacement connector (IDC) style SATA power plugs, you can unclip the back, wiggle the 3V3 wire out, and snap the cap back on. Tape over the exposed 3V3 wire and you're good to go.

 

Or be extra like me and design a custom SATA backplane PCB with jumper blocks to enable/disable 3V3 per drive...

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12 minutes ago, AbydosOne said:

Kapton would be the best choice. Scotch tape works in a pinch (mine wore through eventually and temporarily took down my array lol). I'd be worried that electrical tape would be too thick.

 

If you have insulation displacement connector (IDC) style SATA power plugs, you can unclip the back, wiggle the 3V3 wire out, and snap the cap back on. Tape over the exposed 3V3 wire and you're good to go.

Perfect, I'll try and unclip the back, if I cant I'll go the Kapton route. Thanks so much 🙂

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