Not recommended for production. Only for extreme tinkerers.
Some developers have created modified versions of bootmgfw.efi or use DUET (Developer's UEFI Emulation) to load XP's BIOS-oriented bootloader on pure UEFI. This involves: install windows xp on uefi system
Verdict: Avoid unless you enjoy pain.
We trick the UEFI firmware into thinking it is booting a modern Windows OS, then chainload the XP bootloader via a legacy emulator. Not recommended for production
A test was conducted on a 2024 UEFI motherboard (ASUS ROG Z790, Intel 14th gen, no CSM). Verdict: Avoid unless you enjoy pain
| Method | Boot Success | USB Support | ACPI Stability | Use Case | | :--- | :--- | :--- | :--- | :--- | | Native UEFI (no CSM) | No (BSOD 0x7B) | N/A | N/A | Impossible | | CSM (if available) | Yes | Partial (needs slipstream) | Poor | Legacy hardware control | | DUET Emulation | Conditional | No | Crashes on sleep | Proof-of-concept only | | Virtualization (QEMU) | Perfect | Perfect via pass-through | Stable | Legacy software development |