I have an Asus p8Z77-v board and I rigged a blue LED for the HDD in the front of a HAF XM because I couldn't see it as I like to have my machines on the desk.
I found an old one that already had a 47 ohm resistor in line and it worked up to yesterday and I think form my calcs that it needs a 250 (or standard voltage) ohm resistor for a 12 volt supply and the 47 ohm should have been more than...
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