Intel HEX File Format: Record Type 02 -  Extended Address Record
:02 0000 02 xxxx xx
 |   |   |  |    |_ checksum field
 |   |   |  |_Base address (i.e. segment where following data records
 |   |   |     will go)
 |   |   |_Record type (always 2)
 |   |_Address field (not used, always 0)
 |_Record length (always 2)