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Re: Accessing 80-column mode from CP/M



On Mon, 4 Feb 2002 14:12:15 +0000 (UTC), Jonathan Adams wrote:

>: >>
>: >>No switches or id on 80 col card; it has 3 EPROM sockets,
>: >>but only ROM2 & ROM3 are present. No reason why ROM1 should
>: >>have been removed, so I'm hoping it was an option.
>: >
>
> I have the same sort of card. Can someone ID the missing EPROM for me?
> There are two terminals on the front of the card which are not being used,
> and I think that they might be used for a 40 column pass-through port. I
> also think that the missing chip may have something to do with this.

The terminals are either for a 40 column pass through or a light pen.


-- 
If all else fails, hurl it across the room a few times!