NeoGeo SD loader logo

LED blink codes

LED blink codes are only used during the first start or firmware updates.
During normal operation, messages and errors are shown on-screen.

Blink sequence
Meaning Details
RED RED RED Your kit's firmware isn't programmed or corrupt. No valid firmware file was found on the SD card. The USB DFU mode is enabled in case rescue is needed.
RED RED YELLOW The firmware file couldn't be opened. Make sure that the firmware file name is correct. If the error persists, try formatting the SD card again or try another SD card. A file access error occured.
RED YELLOW RED The firmware file is corrupt. Download it and copy it to the SD card again. If the error persists, try another SD card. File format checks failed.
RED YELLOW YELLOW The loader's memory couldn't be erased. Check your power supply. Hardware fault.
YELLOW RED RED The loader's memory couldn't be programmed. Check your power supply. Hardware fault.
YELLOW RED YELLOW The firmware file couldn't be opened. Make sure that the firmware file name is correct. If the error persists, try formatting the SD card again or try another SD card. A file access error occured.
YELLOW YELLOW RED During firmware update, programming verification failed. Try repeating the update process again.  
YELLOW YELLOW YELLOW Your console's BIOS version was not recognized.  
GREEN GREEN GREEN Firmware update success !  
BLUE Programming operation ongoing, don't remove the SD card or turn off the console.  

If a problem persists after you've checked your SD card and power supply, please write to addr.