Ariadne Conill 🐰Mar 3
my focusrite scarlett 2i2 has started buzzing. grr.
Show threadAriadne Conill 🐰Mar 3
i am powering it via probably the shittiest possible usb-c cable. i wonder if getting a better cable would fix it.
Show threadAriadne Conill 🐰Mar 3

adding a powered usb hub did not fix it. so i modified a usb cable to let me splice in power from an external 5v psu.

*that* fixed it.

Show threadAriadne Conill 🐰Mar 3
this is a *server motherboard* ASRock. what are you even doing. why is there noise on the USB power rails.
Show threadAriadne Conill 🐰
(it is this board: https://www.newegg.com/asrock-wrx90-ws-evo-eeb-form-factor-12-0-in-x-13-0-in-30-5-cm-x-33-0cm-14-layer-pcb-2oz-copper-pcb-motherboards-amd-amd-wrx90-strx5/p/N82E16813162155 if you want to avoid it)
Mar 3 at 3:21amWeb
Show threadAriadne Conill 🐰Mar 3
2oz copper seems like a lot for a PCB, but maybe it isn't
Show threadGraham Sutherland / PolynomialMar 3
@ariadne 2oz is generally the minimum for motherboards, has been since the late 2000s.
Show threadI love this, so IMar 3

@gsuberland @ariadne ah yes, the single-worst unit in electronics.

2 ounces (weight) of copper (volume) per square foot (area) - it's a linear dimension, approximately 70um

Show threadGraham Sutherland / PolynomialMar 3
@jpm @ariadne yeah I hate it
Show threadClifton RoystonMar 3

@ariadne

My experience is that ASRock sucks, generally speaking, and if they put out any actually good mobo it is by accident.