[vcf-midatlantic] Sol 20 update

corey cohen coreyvcf at gmail.com
Thu Mar 19 14:37:35 EDT 2020


I’ll try to figure out a place I can put them that would be around for a while and then post it.  

corey cohen
uǝɥoɔ ʎǝɹoɔ
Sent from my iPhone

> On Mar 19, 2020, at 7:14 AM, Mike Loewen via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
> 
> 
>   I haven't looked at the cassette circuitry yet, but will eventually get there. Thanks for the offer.
> 
>> On Wed, 18 Mar 2020, corey cohen wrote:
>> 
>> Did you calibrate your cassette interface?  I can send you a bunch of software on audio files.  You can play them right in front an MP3 player, iPod or smart phone.
>> 
>> corey cohen
>> u??o? ???o?
>> Sent from my iPhone
>> 
>>>> On Mar 18, 2020, at 3:57 PM, corey cohen <coreyvcf at gmail.com> wrote:
>>> 
>>> Yes.  I misunderstood, that is one way to load software.
>>> 
>>> corey cohen
>>> u??o? ???o?
>>> Sent from my iPhone
>>> 
>>>>> On Mar 18, 2020, at 1:07 PM, Mike Loewen via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
>>>>> 
>>>> 
>>>>  Isn't that what I'm doing, "virtually" typing the programs througn the serial port? I'm setting the Sol input to serial (SET I=1), then sending the ENT as an ASCII file from another computer to the Sol's serial port.
>>>> 
>>>>> On Wed, 18 Mar 2020, corey cohen wrote:
>>>>> 
>>>>> Why aren?t you loading programs though the cassette port or putting the machine into ?non-local? mode and using the serial port to ?virtually? type in programs?
>>>>> 
>>>>> corey cohen
>>>>> u??o? ???o?
>>>>> Sent from my iPhone
>>>>> 
>>>>>>> On Mar 17, 2020, at 5:57 PM, Mike Loewen via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
>>>>>> 
>>>>>> 
>>>>>> My Sol 20 is up and running:
>>>>>> 
>>>>>> http://q7.neurotica.com/Oldtech/S100/Sol20/
>>>>>> 
>>>>>> As expected, I had to replace all of the foam pads in the keyboard. For some reason, the TexElec pads hardly worked at all so I sacrificed a Sun Type 4 keyboard for its pads. Other than that, a couple of RAM problems (dirty DIP switch and a defective 74LS157 multiplexer) were all that I had to fix.
>>>>>> 
>>>>>> As time permits, I'll investigate getting a couple of 8" drives working with a Micromation Doubler board. For now, I'm loading programs through the serial port at 1200 baud.
>>>>>> 
>>>>>> 
>>>>>> Mike Loewen                mloewen at cpumagic.scol.pa.us
>>>>>> Old Technology                http://q7.neurotica.com/Oldtech/
>>>>> 
>>>> 
>>>> Mike Loewen                mloewen at cpumagic.scol.pa.us
>>>> Old Technology                http://q7.neurotica.com/Oldtech/
>> 
> 
> Mike Loewen                mloewen at cpumagic.scol.pa.us
> Old Technology                http://q7.neurotica.com/Oldtech/


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