this is a great video! thanks for sending it! it would really really be great to find a tape with that MICTDC program..
On Sun, Apr 4, 2021 at 5:39 PM Peter Noeth <[email protected]> wrote: > Steve, > > This is the Radio Shack Diskette Drive Alignment video for their Service > Center. It was uploaded by Peter Cetinski from the "Trash 80 Podcast" and > "Vintage Computer Forum". It covers the process involved, so you can see > what is involved (if you didn't already know). > > The announcer also shows the "TDC" program, which "MICTDC" is likely > based from. > > Instructional Video: Radio Shack TRS-80 Floppy Disk Drive Alignment - > YouTube <https://www.youtube.com/watch?v=BPy4Yf37XRE> > > Regards, > > Peter > >> >> ------------------------------ >> >> Message: 8 >> Date: Sun, 4 Apr 2021 01:46:46 -0700 >> From: Peter Noeth <[email protected]> >> To: Model 100 Discussion <[email protected]> >> Subject: Re: [M100] TPDD alignment disk / servicing / MICTDC >> Message-ID: >> < >> cadg-ngutjibbkuj3n1ytsuuadmyupxqfc4twyoujguzjmgp...@mail.gmail.com> >> Content-Type: text/plain; charset="utf-8" >> >> Having done a lot of floppy drive alignments back in the day (RS Model >> 1,3,4 , Osborne, Kaypro, 8", ...) I am sure that the TPDD would be the >> same. The alignment diskettes had special analog signals on several tracks >> ("Eye Pattern" , Azimuth), that were used to align the head(s) to a known >> location, once the Track 0 sensor was set. There were different diskettes >> made, depending on the TPI (Tracks Per Inch), Density (FM or MFM), and >> Single or Double Sided. I used to have the alignment diskettes, but in the >> different moves over the years, they have disappeared. I do still have my >> Dysan PAT 2+ Tester to command and exercise the disk drives out of the >> computer. >> >> <snip> >> >>
