[TUHS] Floppy to modern files for Usenet maps

Arthur Krewat krewat at kilonet.net
Mon Jun 24 10:53:19 AEST 2019


Both the AT&T and the USB cable will be "DTE" (Data Terminal Equipment - 
ala terminal) vs. "DCE" (Data Communication Equipment - ala modem) - 
you'll need a null-modem cable to correct that mismatch. Basically, if 
not using hardware handshake, swap pin 2 and 3. ;)


On 6/23/2019 8:35 PM, Mary Ann Horton Gmail wrote:
> These are great ideas. I can easily get USB-to-serial (and even 
> USB-to-parallel) cables online that will fit the PC/XT compatible 
> DB-25 plugs on the back of the PC.  I'll have to figure out how to 
> fiddle with the baud rates and such.
>
> I solved the GRF file puzzle.  It turns out it's a text file - a 
> Usenet article. And the same article is in the Google archive.
>
> https://groups.google.com/forum/#!search/group$3Anet.news.map$20philabs!dal/net.news.map/lhqyD7MOFe8/v0CQFMZyGboJ 
>
>
> There is a cutoff notice at the end, both on the Usenet article and on 
> the floppy file, but that may be intentional.  I'll have some fiddling 
> to do.
>
>     Mary Ann
>
> On 6/23/19 5:02 PM, Grant Taylor via TUHS wrote:
>> On 6/23/19 5:52 PM, Arthur Krewat wrote:
>>> Does the AT&T have a serial port?
>>>
>>> Kermit would be the way I'd go, but since you say you have nothing 
>>> with serial ports, that could be a problem. A cheap usb-to-serial 
>>> port might be in order. Then you can run Kermit 95 on a Windows 7 or 
>>> earlier machine. (might work on later OS's too, but it's not supported)
>>>
>>> The flip side is how to get Kermit onto the DOS machine.
>>
>> Does Kermit have an option like INTERLNK & INTERSVR have where you 
>> can run a "copy COM1 INTERxxx.EXE" to push the software across the 
>> serial port?
>>
>> I wonder what the requirements are for INTERLNK & INTERSVR. I don't 
>> know if they would go back to (MS-)DOS 2.11 or not.
>>
>>> I used a floppy recovery service a while back to read my old 
>>> Commodore 64/PET disks - he was relatively inexpensive, and very 
>>> responsive.
>>>
>>> http://retrofloppy.com/
>>
>> If the machine is able to read the files without error, then a 
>> recovery service might not be necessary.  IMHO it's a question of 
>> getting one or more copies onto something else so that the existing 
>> floppy isn't the only copy.
>>
>>
>>
>



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