The "19" in your query likely refers to the , a massive community mod designed to bring the decade-old game up to 2019 standards. Key features of this update included:

Modifying files like devdata.dat highlights the dedication of the FIFA community to preserving older titles. FIFA 09 was a landmark for introducing Be A Pro mode and revamped physics. By updating configuration files, fans ensure that these classic experiences remain accessible on modern hardware, bridging a decade of technological progress to keep the spirit of 2008 football alive. Fifa 09 PS2 controller problems on PC - Evo-Web

The devdata.dat file in is a configuration file used to manage controller mapping and recognize third-party gamepads that are not supported by default. Updating this file or its content is a common fix for modern players who find their controller buttons appear "empty" or unmappable in the game's menu. File Location and Access

Looking for a nostalgic trip back to the pitch? This updated file for FIFA 09 brings the classic game into the modern era, bridging the gap between 2009 and 2019.

: Look for your controller's specific name (found in Control Panel > Game Controllers ) and add a configuration block that matches EA's supported names, such as "Logitech Dual Action."

[DEBUG] ENABLE_CONSOLE = 1 LOG_GAME_EVENTS = 1