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How To Make Cold Cathode Hdd Activity?


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#1 smokafatty

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Posted 28 June 2005 - 08:15 PM

I have a 6" cathode I want to use for a hdd activity light. I figured it might have too much power to hook up to the gnd pin on a hdd as I don't want to risk frying it.

I was thinking of using an automotive relay but they make a loud clicking noise, also I could use a transistor but I'd rather not.

Can you guys think of any ideas?

Anyone know how many watts those blue power converters are rated?

TIA

#2 phrozenfeonix

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Posted 28 June 2005 - 08:56 PM

i've been wanting to do the same with a cathod in my PC, but i haven't seen anything that says how or what parts you'll need.

as far as i could guess, i think you'd use a relay, but i have no clue tongue.gif

#3 #XboxBoy#

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Posted 28 June 2005 - 09:02 PM

well i would guess it would be like a led hdd activity just have the 12v or 5v to the cathode and soilder the ground end to ide pin 39.(i think 12v could be to much but idk that much about electronics but 5v would just make the cathode less brighter.

#4 AManOfLOP33

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Posted 08 July 2005 - 02:28 AM

What if you solder the 12v to the HDD pin on the bottom of the mobo and then ground it by screw hole?

#5 lostboyz

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Posted 08 July 2005 - 02:35 AM

you will fry your mobo, and probably your HDD

#6 cyfi

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Posted 08 July 2005 - 02:49 AM

just cut the ground that goes from the inverter to the molex, and ground it to the pin on the HDD for the HDD light, im sure it will be fine.




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