https://www.wincert.net/forum/topic/2318-how-to-enable-ahci-on-intel-ich9-under-xp/?&do=showReactionsComment&comment=13752&changed=1&reaction=2
See who reacted to this (13752) - How to enable AHCI on Intel ICH9 under XP - Windows XP Tutorials...
https://qemu-android.googlesource.com/qemu-android/+/b5e51dd7144719148c5df42b38b6086366f90d5e/docs/ich9-ehci-uhci.cfg
docs/ich9-ehci-uhci.cfg - qemu-android - Git at Google
docsehcicfgqemuandroid