Solder the other ends of these wires to the modchip's LPC header.
The other possibility is a conflation with the Xecuter 3 (X3) modchip—the most popular modchip in history. The X3 had a custom BIOS called "X3 3294" (and later variations). It’s very easy, years later, to misremember "Xecuter" as "Complex" and jumble the version numbers (3294 vs 4627). xbox bios complex 4627
If you want, I can:
The BIOS (Basic Input/Output System) of an Xbox is a type of firmware that controls the console's hardware components and provides a layer of abstraction between the hardware and the operating system. The Xbox BIOS is responsible for initializing the console's hardware, detecting and configuring peripherals, and providing a interface for the operating system to interact with the hardware. Solder the other ends of these wires to
