Thanks! How did you find these on their site, if you don't mind me asking?

Good to know I figured it out right. Seeing as ASRock has never posted a newer driver on my mobo's download page, it sounds like the smart choice then would be to leave it alone and not try and mess...

So I ran the script last night and got this result for my ASRock mobo:

Realtek Audio Driver Integration log information

Device HWID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0900&SUBSYS_18491157&REV_1000
...