[SOLVED] Gigabyte fusion rgb strips

[Potat0Sa1ad]

Hello, i dont know if im being stupid but does any 5v 5050 rgb strip work with the gigabyte fusion, for example im looking at these:

https://www.amazon.co.uk/CHINLY-144leds-Individually-Addressable-Waterproof/dp/B01LSF4PYW/ref=sr_1_13?ie=UTF8&qid=1540828071&sr=8-13&keywords=5050+rgb+led+strip+5v

and i obviosly dont want to buy if they wont work

Thanks

 

[Aeacus]

That specific LED strip works only with 3-pin RGB header. If your MoBo has 4-pin RGB header then it isn't compatible with the latter.

On the regular +12V RGB header (4-pin), all LEDs of a primary color (R, G, B) are chained together and act simultaneously depending on the input signal. This makes individual LED addressing impossible.

Pinout:
pin #1 - +12V
pin #2 - G (green color)
pin #3 - R (red color)
pin #4 - B (blue color)

On the +5V RGB header (3-pin), there is LED driver control for each RGB LED package that translates the serial information coming in through the data pin into a specific output for that LED package it is attached to. That method makes single LED addressing possible.

Pinout:
pin #1 - +5V
pin #2 - data
pin #3 - empty (no pin)
pin #4 - ground

Plugging the 3-pin RGB connector to the 4-pin RGB header fries the LEDs since you'd be feeding more than twice the voltage to them (12V vs 5V). And even if the addressable LEDs somehow survive the initial power up, there's no data pin in the 4-pin RGB header to control the LEDs.