Intel HEX File Format: Record Type 01 -  End of File Record
:00 0000 01 FF
 |   |   |  |_ checksum field
 |   |   |  
 |   |   |  
 |   |   |_Record type (always 1)
 |   |_Address field (not used, always 0)
 |_Record length (always 0)