# OTP R3-R4
0       string          \0177BEAM!      Old Erlang BEAM file
>6      short           >0              - version %d

# OTP R5 and onwards
0       string          FOR1            
>8      string          BEAM            Erlang BEAM file

# 4.2 version may have a copyright notice!!
4       string          Tue Jan 22 14:32:44 MET 1991    Erlang JAM file - version 4.2
79      string          Tue Jan 22 14:32:44 MET 1991    Erlang JAM file - version 4.2

4       string          1.0 Fri Feb 3 09:55:56 MET 1995 Erlang JAM file - version 4.3