Absolutely. This is the "purest" way.
You would physically flash a modchip or TSOP. In Xemu: You simply replace the flash file. xemu flash rom
Unlike standard game ROMs, the Flash ROM is a system file that tells xemu how to "be" an Xbox. 2. Critical Specifications Absolutely
While various versions exist, the community and developers report the highest success rates using a modified retail BIOS (such as "COMPLEX 4627") or a debug BIOS . xemu cannot function.
In xemu, the BIOS file is technically referred to as a (since it is a dump of the Xbox's flash memory). Without a valid BIOS file, xemu cannot function.