Re: 3016 PET and BTX Decoder ROMs

From: William Levak (wlevak_at_cyberspace.org)
Date: 2000-06-26 06:20:14

On Mon, 26 Jun 2000, Richard Atkinson wrote:

> I have an English 3016 here. Inside there are EPROMs labelled B, C, D, E
> and F and a sixth one in the position two sockets down from B. There is no
> label on this final EPROM and the socket in between these two is empty. Is
> this normal for a 2016 PET? The DRAMs are ceramic but I guess that's quite
> normal for a PET.

The C, D, E and F ROMs would constitute a complete set of ROMs for Basic
3.  If it has been upgraded to Basic 4.0, the B socket would also be
occupied, otherwise it is a special ROM.  The "9" socket always contained
special ROMs.  Those do not sound like the standard Commodore labels.

Does it power up?  The power up message should be the usual message for
either Basic 2 or 4.0.  The only difference between Basic 2 and 3 is the
E ROM and the keyboard.  Do you have the typewriter keyboard (the usual)
or the calculator style keyboard (rare)?



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