Modern GPUs don't support VGA bios. You must include a universal VBE or UEFI GOP driver so the installer can actually render the setup screens. Phase 3: BIOS Configuration
Must be Disabled . XP cannot boot with an active Secure Boot signature. install windows xp on uefi system exclusive
If you see the blue setup screen, your ACPI and SATA patches are working. Modern GPUs don't support VGA bios
Ensure your ISO is Windows XP Service Pack 3 (x86 is generally more stable for this). though they don't directly affect XP.
Generally, these should be disabled to avoid interference, though they don't directly affect XP.