I do not believe there is any physical difference between SD and DD disks, like there is between HD. It's only the formatting. In either case, my drive came with a box of Tandy floppies, so I'm covered there :)
Chris On Sat, Mar 24, 2018 at 8:22 PM, <biggran...@tds.net> wrote: > TPDD1 or TPDD2? The TPDD1 uses single density disks and TPPD2 I believe > used double density disks (not 100% sure since I only have a TPPD1). But in > the specs the TPPD1 reads/writes 40 tracks, and the TPDD2 reads/writes 80 > tracks. > > http://www.pestingers.net/pdfs/other-computers/radio-shack/pdd-man.pdf > http://www.pestingers.net/pdfs/other-computers/radio-shack/pdd2-man.pdf > > > > On 3/24/2018 8:02 PM, Chris Kmiec wrote: > > I don't think that's the issue as the drive responds to commands, and I > can see the head move. When trying to format a blank disk, it actually goes > through the motions, and gets to the last track, before it fails. > > Chris > > On Sat, Mar 24, 2018 at 6:57 PM, Fugu ME100 <b4me...@hotmail.com> wrote: > >> I/O Error generally means the drive is not being seen on the serial >> port. Does the serial port on the machine work? Can you check it out make >> sure it is working? Link to a PC and use TELECOM to a terminal program or >> try the new mcomm out. >> >> >> Could be a bad TPDD cable I had problems with mine it was not making good >> contact into the drive, I had to have it just in the right position to >> work. I stopped using it after that :) >> >> >> ------------------------------ >> *From:* M100 <m100-boun...@lists.bitchin100.com> on behalf of Chris >> Kmiec <ckmi...@gmail.com> >> *Sent:* Saturday, March 24, 2018 23:46 >> *To:* m...@bitchin100.com >> *Subject:* Re: [M100] Tandy Portable Disk Drive... >> >> Well, I have REX, with TS-DOS, and also tried the installation/bootup >> procedure from the manual. Didn't work either way - I/O Error. I looked >> over the board, and don't see anything obvious. Everything cleaned, etc. >> >> My "big score" with a DVI, TPDD, and M100 has had an issue with every >> single component... At least it came with a ton of cables, manuals, and >> disks! >> >> Unless somebody can suggest anything else I can try, I'm giving up on the >> TPDD for now, too many things I'm working on, including getting the drive >> in the DVI to work. >> >> Chris >> >> On Thu, Mar 22, 2018 at 9:20 AM, Brian White <bw.al...@gmail.com> wrote: >> >> The "M100SIG" archive contains a few programs just for dealing with the >> incompatibility of different dosses. There is at least one or two programs >> just for loading and unloading the dvi dos and a tpdd dos so you can switch >> between them without actually wiping and reinstalling each time. >> >> >> >> There is (on p. 7 of the TPDD2 Manual) a cryptic related reference that >> the utility disk can’t be used with a computer in conjunction with the DVI, >> so maybe these can’t all be used at once, >> >> >> -- >> bkw >> >> >> > >
