Re: Apple // peripheral cards

[Doug Browning <wpg750@mb.imag.net>]

jlogo wrote:

> Could anyone please provide more information on the following Apple //
> interface cards.
>
> 1. Apple computer ROM CARD  (C) 1978 (Has about six socketed ROM chips
> in parallel with a switch at the far side of the cardl).
>
> I suspect this card is used in a ][ or ][+ machine? (I never used a
> ][/][+ machine - only a //e).
>

Language card. Allows you to boot the non residen BASIC language
(Applesoft on a II, Integer Basic on a II+) without losing ram space.
Plugs into the leftmost slot only

> 2. DIGITEK serial interface DK 244 (Blue PCB with serial interface
> socket).  Looks like a high-speed serial interface card for connecting
> a serial printer or modem.
>
> Anything special about it compared with the SSC?.
>
> 3. Grappler+ Printer interface (Blue/Green PCB with 26-pin interface).
> Looks like a serial/parallel printer interface card with a larger
> buffer?.
>
> Also has 4 DIP switch settings on the far side.  Is this some kind of
> buffered printer interface card ?.
>

Parallel printer card. Grappler+s had different ROMs for different brands
of printers.

> .
> Also, has anyone had any troubles getting a MS softcard (or softcard
> clone) working in either a ROM01 or ROM03 GS?.  I can't get my
> softcard to work at all in either GS system even after dropping the
> clock speed down to 1MHz.  I have the card setup as a chosen device in
> both GS machines and I'm using the appropriate Apple CP/M system
> software on 5.25" media.
>
> .
>
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--
Doug Browning
dougbrow@mb.imag.net
www.mb.imag.net/~wpg750