Select qemu32 or core2duo for optimum compatibility.
Bochs and Limbo PC Emulator require a virtual hard disk image (typically an .img file). You can create a blank one easily using Bochs' built-in tool.
Achieving a functional, stable setup requires a specific type of Windows XP image file and the correct configuration parameters. This guide covers how to find the right ISO file, convert it for mobile emulation, and configure your emulator for the best performance. Understanding the Requirements for Mobile Emulation