What is this??? - Update

From: Dan Williams <dan_williams_at_ntlworld.com>
Date: Mon Jun 14 17:17:52 2004

Carsten Brasholt wrote:

> Hi again,
>
> I just opened it up....
> It's got 5 chips inside it.
> 74LS00
> 74LS74
> 8251AP-5
> 74LS32
> 4060
>
> Does this help??
>
> I know that prestel is some sort of teletext service - and perhaps a
> dial-up service, but this unit doesn't really look like it's related to
> a modem.....
>
> Cheers,
> Carsten
>
> Carsten Brasholt wrote:
>
>> Hi all,
>>
>> I've just been looking through a box of old computer-stuff and found
>> the following small item:
>>
>> It looks like a cartridge (8x5cm) for an Amstrad with a passthrough
>> edge connector and a lead (70cm) comming out with a 5-pin DIN plug
>> (male) at the end.
>>
>> On the label it says:
>>
>> Cirkit
>> Prestel Link
>> Amstrad Interface
>>
>> Any help appreciated. Searches on Google gives nothing!
>>
>> Cheers,
>> Carsten
>
>
>
I've not seen one of these but I have got a lot of amstrad stuff. Can
you send a picture. The 8251 chip is a uart so I would guess it is a
serial interface the 5 pin probably went to a modem.

Dan
Received on Mon Jun 14 2004 - 17:17:52 BST