Sticker on IC said:

E9A46
3E10D

There is a line before the 2nd row 3 that doesn't make sense.



 binwalk Taito_X3_BIOS_Dump.bin 

 DECIMAL       HEXADECIMAL     DESCRIPTION
 --------------------------------------------------------------------------------
 1351292       0x149E7C        CRC32 polynomial table, little endian
 6291456       0x600000        UEFI PI firmware volume
 6356992       0x610000        UEFI PI firmware volume
 6422528       0x620000        UEFI PI firmware volume
 6860812       0x68B00C        Microsoft executable, portable (PE)
 7541378       0x731282        Copyright string: "Copyright (C) 2011 American Megatrends, Inc."
 7995392       0x7A0000        UEFI PI firmware volume
 7995568       0x7A00B0        Microsoft executable, portable (PE)
 7998892       0x7A0DAC        Microsoft executable, portable (PE)
 8002228       0x7A1AB4        Microsoft executable, portable (PE)
 8004688       0x7A2450        Microsoft executable, portable (PE)
 8099064       0x7B94F8        Microsoft executable, portable (PE)
 8103708       0x7BA71C        Microsoft executable, portable (PE)
 8104404       0x7BA9D4        Microsoft executable, portable (PE)
 8150796       0x7C5F0C        Microsoft executable, portable (PE)
 8153356       0x7C690C        Microsoft executable, portable (PE)
 8169875       0x7CA993        mcrypt 2.2 encrypted data, algorithm: blowfish-448, mode: CBC, keymode: 8bit
 8176004       0x7CC184        Microsoft executable, portable (PE)
 8185236       0x7CE594        Microsoft executable, portable (PE)
 8201792       0x7D2640        Microsoft executable, portable (PE)
 8205964       0x7D368C        Microsoft executable, portable (PE)
 8211340       0x7D4B8C        Microsoft executable, portable (PE)
 8216908       0x7D614C        Microsoft executable, portable (PE)
 8385948       0x7FF59C        Microsoft executable, portable (PE)