Hmm, no guarantee that these are correct, reference only..
Note that System 1 PROMS are 4 bits wide, so the checksum depends
on your programmer, does it read high bits as high if no connection,
or low? These are read as high with no connection (FXh)

File A-409.GM     == 0x19D6 [8]
File B.GM         == 0x198F [8]
File C.BIN        == 0x1849 [8]
File C.GM         == 0xD849 [8]
File CLEO         == 0x19D6 [8]
File D.GM         == 0x15FA [8]
File E.GM         == 0xA55E [16]
File F.GM         == 0xAA3E [16]
File G.BIN        == 0x1617 [8]
File H.GM         == 0xF52C [16]
File HULK.SND     == 0x177F [16]
File I.GM         == 0x1322 [8]
File JS.BIN       == 0x160A [8]
File K.BIN        == 0x168B [8]
File K.GM         == 0xAD16 [16]
File L.BIN        == 0x158C [8]
File L.GM         == 0x158C [8]
File L.SND        == 0xADC4 [16]
File LS.BIN       == 0x16E2 [8]
File N.GM         == 0xACD4 [16]
File N.SND        == 0xACF8 [16]
File N-0.GM       == 0x180A [8]
File P.BIN        == 0x1AE2 [8]
File PINPOOL.COM  == 0xA644 [16]
File PS.BIN       == 0x16B6 [8]
File R.GM         == 0xF48E [16]
File R.SND        == 0x185A [8]
File S.GM         == 0xB760 [16]
File S.SND        == 0x17A8 [8]
File SYS1TEST.ROM == 0xE886 [16]