Re: Need Info About A2 Cards/Board

[Stephen Shaw <xstephenx@apple2.org.za>]

On Tue, 27 Nov 2001 16:17:53 -0800 (PST), sirarlias@webtv.net wrote:

> I recently aquired a batch of A2 cards and boards, a few of which I am
> unsure about. Any info on these would be greatly appreciated:
>
> 1) A small board, made by Apple, dated 1979, labeled "Encoder Discrete
> Keyboard." It has a slide switch in the corner, a male 25-prong
> single-row connector, a processor-like? chip (8005UX), and 4 other
> smaller chips.

This is the keyboard encoder card for a II+. Fits under the keyboard.

>
> 2) No mystery, this one is a ROM card, made by Apple dated 1978. It has
> a red toggle switch at one end. 5 of its 6 sockets have ROM chips. How
> do I go about finding out what's on this card? My oldest A2 is a IIe.

Integer Basic card. Integer Basic in the chips. They are ROMs.

>
> 3) This one is a disk drive controller card made by V-Tech, no date. It
> has two connectors labled "drive 1" and "drive 2." Connected to "drive
> 1"  is a ribbon cable ending with a standard 19-pin drive port. What's
> throwing me is that it has the second connector. Is this so you can use
> Disk II drives with it as well?

3.5" UDC card? Sounds like it.


>
> Thanks in advance.
>
> -+-+-+-
>
> Rob McAllister

-- 
2 + 2 = 5 for extremely large values of 2.