In <93013.003540SML108@psuvm.psu.edu>, SML108@psuvm.psu.edu says:
>How are the TOS ROMs laid out on 2 chip versus 6 chip ROMs?
The two ROMs are the high and low bytes of the 16-bit data. If the TOS version is the same, then they should hold the same data, in the same order, but with the last 1/4 of each chip empty.