First ever post here.
The question context is re a Music Server, substituting a LPSU is to eliminate noise from SMPS.
Conventional means (which I followed) is to install a Pico-psu of some brand, power it with a lps to run the motherboard with "clean" power (or at least cleaner than ac) and go from there - no problem, that.
My difficulty arises from trying to run the server's drives with an lps, in order to circumvent the smps in the pico psu's that run drives - in essence re-introducing the very noise that a lps is to remove!
The solid state, single voltage (5V) drive was no problem, using a Teddy Pardo 5/3. Different story with dual voltage (12V & 5V) hdd from a single lps, in this case a Teddy Pardo 12/4.
My ignorance led me to assume that the hdd's dual voltage provides a choice of whichever SINGLE voltage is presented to the hdd - wrong!
Twice, I've connected the yellow/black leads of a sata power adapter (cutting off Molex end and the red/black 5V leads, and soldering those to two different types of terminations that accept the 2.5mm female barrel connector coming from the TP 12/4, but the hdd won't power up with only the single 12V wires, it "obviously?" wants to have BOTH voltages present at the sata connector in order to function.
Now, I know I'm not the only person running a LPSU to power drives in a computer, but I certainly am missing something (brains?) that is blocking my path to making the hdd work.
Can anyone help me out here and provide a solution to this problem?
Cheers
The question context is re a Music Server, substituting a LPSU is to eliminate noise from SMPS.
Conventional means (which I followed) is to install a Pico-psu of some brand, power it with a lps to run the motherboard with "clean" power (or at least cleaner than ac) and go from there - no problem, that.
My difficulty arises from trying to run the server's drives with an lps, in order to circumvent the smps in the pico psu's that run drives - in essence re-introducing the very noise that a lps is to remove!
The solid state, single voltage (5V) drive was no problem, using a Teddy Pardo 5/3. Different story with dual voltage (12V & 5V) hdd from a single lps, in this case a Teddy Pardo 12/4.
My ignorance led me to assume that the hdd's dual voltage provides a choice of whichever SINGLE voltage is presented to the hdd - wrong!
Twice, I've connected the yellow/black leads of a sata power adapter (cutting off Molex end and the red/black 5V leads, and soldering those to two different types of terminations that accept the 2.5mm female barrel connector coming from the TP 12/4, but the hdd won't power up with only the single 12V wires, it "obviously?" wants to have BOTH voltages present at the sata connector in order to function.
Now, I know I'm not the only person running a LPSU to power drives in a computer, but I certainly am missing something (brains?) that is blocking my path to making the hdd work.
Can anyone help me out here and provide a solution to this problem?
Cheers
