[TenTec] updating ROM

[Conway Yee]

While it would technically be possible to upgrade the logic board
so that the ROM is user upgradable off the net, I suspect that it might
not be done for cost reasons.

As it stands, the upgrade is switching an EPROM which is a very simple
matter in terms of design.

By having a downloadable ROM (of any sort), additional circuitry to
read and store the data would have to be designed and built.  It hardly
seems cost effective to design/build circuitry which would rarely (if
ever) be used.

tnx es 73 de Conway Yee, N2JWQ

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