The ghosting is a USB power supply issue (USB) it can be avoided by using a powered USB hub for the stick/throttle. I've had my X-56 for 2 years now and no issues.
The following site is the current drivers for your ALC 1220...
https://codecpack.co/download/realtek-audio-drivers.html
Bookmark the link. It is the Realtek HD audio drivers 6.0.8899.1
Use 'dry' Swiffer sheets and cover all the intake fans/areas on the case exterior. Use scotch tape and cut the sheets to fit. This will greatly reduce incoming dust.
Make sure you clear the bindings for both the stick and throttle. It will initially have axes set for pitch/roll etc...on both devices. Once clear then bind them accordingly.
Explains why I haven't. Telling one something is in no way shape or form....make it credible. Again I'm not experiencing any micro stutters at all. None. DCS is on it's own drive on my system.