Logitech G19 Keyboard for Gaming driver - Download
Logitech G - LGS Tip of the Day: Disabling Enhanced Graphics in Logitech Gaming Software If you're on a laptop and want to reduce GPU use when unplugged from the AC adapter,
Configuration - Logitech G19 Keyboard for Gaming Review - Page 3 - Overclockers Club
Logitech G19s Gaming Keyboard Closer Look: The Software - Overclockers Club