i used the default file from github

Build Options

comment out to disable the options.

BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)

MOUSEKEY_ENABLE = yes # Mouse keys(+4700)

EXTRAKEY_ENABLE = yes # Audio control and System control(+450)

CONSOLE_ENABLE = yes # Console for debug(+400)

COMMAND_ENABLE = no # Commands for debug and configuration

SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend

NKRO_ENABLE = no # USB Nkey Rollover - not yet supported in LUFA USB_6KRO_ENABLE = yes # USB 6key Rollover

PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support

PS2_USE_BUSYWAIT = yes

BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality

KEYMAP_IN_EEPROM_ENABLE = yes # Read keymap from eeprom

KEYMAP_SECTION_ENABLE = yes # Fixed address keymap for keymap editor

SOFTPWM_LED_ENABLE = yes # Enable SoftPWM to drive backlight FADING_LED_ENABLE = yes # Enable fading backlight BREATHING_LED_ENABLE = yes # Enable breathing backlight LEDMAP_ENABLE = yes # Enable LED mapping

LEDMAP_IN_EEPROM_ENABLE = yes # Read LED mapping from eeprom