Mailinglist Archive: opensuse (1956 mails)

[James Knott <james.knott@xxxxxxxxxx>]

Robert Smits wrote:
> On Thursday 09 August 2007 18:52, James Knott wrote:
>   
>> Robert Smits wrote:
>>     
>>> On Wednesday 08 August 2007 19:08, James Knott wrote:
>>>       
>>>> Incidentally, many years ago, I bought a huge Cherry keyboard, without
>>>> any encoder logic.  I designed & built my own encoder and used that
>>>> keyboard with my IMSAI 8080.
>>>>         
>>> Had one of those. Mine came with the optional 4K memory, and I entered
>>> programs in with toggle switches I Byte at a time. In 1976 I got cassete
>>> tape drives, and then 8 inch floppy drives (1.2 MB each). Don't miss CP/M
>>> all that much, though.
>>>       
>> Mine didn't come with any memory.  I bought a 16K board, loaded with 4K
>> from another vendor.  My system eventually reached 20K.  I also used
>> cassettes with it, but never graduated to floppies.  I eventually
>> connected it to my ham radio gear, a modem and also a Model 35 ASR
>> Teletype.  I designed and built an 8 port serial I/O card for it (only
>> installed 4 UARTs) and in the process found a bug in the 8250A UART chip
>> that National Semiconductor didn't know about.  I also wrote a lot of my
>> own software, though I bought an editor, monitor, assembler and BASIC
>> (Scelbal) from Scelbi.  I did a lot of learning with that box.  Had a
>> lot of fun with it too.  It's hard to believe I bought it almost 31
>> years ago!
>>     
>
> I used mine for connecting to usenet via ubc, and then as my packet radio 
> terminal when we used V3 protocol before AX25. I'm VE7HS.
>   
I got into packet radio with an XT clone and a Heathkit HK-232, the kit
version of the AEA PK-232.  I'm VE3ZU.


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