sega g80 cpu rom

I have a Sega G80 CPU board... the ROM on the board is
written on by hand, and is "374". I don't find that as
a reference online for any CPU ROM #.

The security chip on this board has no sega 315-??? number
but residue from where a sticker was on the security chip
(which is of course since gone).

Anyone ever heard of CPU ROM 374 ???

Thanks,

  -- Curt
  

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Received on Sat Dec 21 23:47:08 2002