I have this cable which has worked well without any adapters. USB to DB25 Male Serial Converter... https://www.amazon.com/dp/B07KYR6B1G?ref=ppx_pop_mob_ap_share
Patrick Sent from my iPhone > On Jan 30, 2022, at 02:44, James Zeun <james.z...@gmail.com> wrote: > > > I don't know if anyone has mentioned this already, but mcomm is also a very > handy method of transferring files off your M100. > > mcomm is a bit of software that runs on Android phones and emulates a Tandy > Disk drive. How I used it was I bought a rs232 to USB adapter, an OTG cable > and a null modem cable. Link them together, one end going to the phone, the > other going to the M100. Before I had an NADSbox, this was the most simple, > cheap way of getting files on and off my M100. Oh before I forget, I'm also > running a REX in my M100, which is a serious must have for anyone wishing to > use an M100 computer for any length of time. > > > > > > On 29/01/2022 4:31 pm, Joshua O'Keefe wrote: >> On Jan 28, 2022, at 11:43 PM, Carlos M. Nunez, M.D. <cnune...@gmail.com> >> wrote: >>> 1. Are there any recommended sources for a null modem cable? I would prefer >>> the PC end to terminate in a USB plug, so I believe it will require a >>> serial to usb converter somewhere. >> >> You may receive a torrent of responses, as for one reason or another this is >> an area where quite a few people hold very strong opinions. Personally, I >> grabbed the first USB/serial null cable I could find that had an FTDI chip: >> >> https://smile.amazon.com/gp/product/B008634VJY/ >> >> It's unfortunately 9-pin so I had to pick up a 9-to-25 to make use of it, >> and of course a gender adapter to use with the Tandy. >> >> Since I'm pretty much forever going to only have DTE on the serial end of >> this cable, I went with something null wired. I use it frequently with >> several different vintage systems on the other end -- in fact I originally >> bought this to bootstrap an Amiga -- and it works flawlessly. I plug it in >> and it magically shows up as /dev/ttyUSB0 and I can do whatever I want with >> it. >> >>> Also, any good online information and/or tutorials that walk through the >>> null modem cable file transfer stuff? >> >> >> TPDD emulation is the main way by which folks get files in and out of the >> machine. Personally, I just keep a TPDD emulator (LaddieAlpha, as it offers >> directory support) running in a Docker container and plug in whenever I need >> to get files in and out, but I have the advantage of having TS-DOS in ROM on >> the Tandy -- REX makes it possible! >> >> Before I got set up with a REX, I bootstrapped TEENY.CO to the system using >> dlplus and fumbled my way around getting that working. After finding TEENY >> kind of inconvenient, I bit the bullet and brought TS-DOS over to sit in >> RAM. It's a satisfactory solution but doesn't leave a ton of working room >> on the computer. >> >> The easiest solution by far is a REX: plug in the board, go through the >> brief, documented steps to get the REX up, plug into your favorite TPDD >> emulator, fire up TS-DOS from the REX, and files come and go as you please. >> >> I've got a Backpack I want to try for when I start traveling again, but >> while I'm mostly in the house I prefer to write directly to the ZFS pool >> over a serial cable. >> >> As far as I've seen, nobody's written a step-by-step guide to getting up and >> running. There are a lot of choices depending on what you're doing, where >> you're going, what hardware you have and plan to carry with you, and how >> Windows-y or Android-y a person you are. The basics of how all this works >> are pretty straightforward once you get your head around the fundamentals >> but there are tool choices to make for which a one-size-fits-most guide >> appears somewhat hard to write beyond: "Get REX, set up TPDD emulation to >> your taste." >> >>
