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I bought one Apple II plus computer last week... inside I found one unknown card and small chip/dongle inserted into gameport socket...
I used alcohol and removed black marker colour on chips and capacitors... very primitive type of protection against reading chips markings and clonining card 
I tried to read eprom in programmer but I think this eprom was failed... every time read different contents...
Eprom sticker on card read: I s I 4
Dongle sticker QT 202
Does anybody know what is this?
see attached pictures...
Thank you
Looks like a software "Key"
Could it possibly have been an EPROM programmer?
If it was a Eprom programmer it would have a ZIF socket.
Plug it in your Apple II+
and get a listing of the contents of the EPROM.
i.e. If it's in slot #2
Type from prompt in basic:
CALL-151
C200L
A bunch of that donglecards have been sold about 2 years ago at ebay....
some postings from
http://www.applefritter.com/?q=content/laughable
spotted out that offers....
speedyG
I plug card into Apple IIe in slot 2 and type commands...
see screenshots...
http://www.igreklik.com/slike/images/19310473425199661172.jpg
http://www.igreklik.com/slike/images/68270984358241284682.jpg
http://www.igreklik.com/slike/images/52893479510134806715.jpg
http://www.igreklik.com/slike/images/06155690461822727477.jpg
http://www.igreklik.com/slike/images/52887126674136519715.jpg
what do you think?
Tomorrow I will try to read eprom again but in another programmer (Topmax)...
Thank you
Still looks like a software Key. (dongle)
Type from monitor:
C2AFL
Then send picture of screen.
The EPROM looks fine (albeit all the NOPs make it look weird; again probably someone's lame attempt to prevent figuring it out).
Code you listed just saves some registers and then jumps to a routine in the $C800 space. Would have to list out the complete EPROM to see that.
Also looks like it only wants to be in slot 4. And then there's a strange JSR to $00B1 which means it probably needs to be preset by some other software before the card is called with something like a PR#4 or IN#4.
Fastah
Strange code. Mostly loading and storing of values in zero page
and pushing and pulling from the stack.
Your are right. This is not the real code. You will
somehow have to read in from EPROM programmer to see it
what it is. (If the eprom is salvagable, otherwise just a board)
Yes, the code basically saves the A,X,Y,and P values, then executes at $C8B2 followed by a restore of the registers.
Put the card in slot 4 and from monitor type c400 and then you can disassemble $c800 (start with c8b2L).