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Thread: PEB Issue... Suggestions, help?

  1. #1

    Default PEB Issue... Suggestions, help?

    Hello. I posted this on another forum, but I want to cross-post here, because I am still in search of a solution. A few months back I picked up a PEB through a poster on this board. I played with it when I got it, and, after a little monkeying around (I believe I maybe had to reseat the disk controller card), I got it to initialize and then write to a disk, and load back from it. All good. Put it aside.

    Today I took it out to fire it back up, and I am having an issue.

    When I go into the disk manager, I can catalogue the disk I used before, it shows it being in the drive and the name of the file I made, no problem. Go back out to BASIC to load the file with the OLD command, and I get error 50. Write a program and try to save, error 60. Just run the little diagnostic program in the Disk Memory System manual, error 00. I know the codes are telling me the specified drive can't be found. I used the DSK1.x command to try loading and saving, then switched to DSK.[name].[filename]. Neither worked.

    Back into Disk Manager, I can still catalogue the disk. I even changed the disk name, successfully, from TI-99/4A to TI994A, thinking maybe the special characters were causing issues. Back out to BASIC, still no dice. Eventually I got to a point where, in the Disk Manager, I got told the disk I was using was not initialized. I figure now that the disk is the issue, but I reformat it just the same, and am told it is successful. then I break out another disk to format and try.

    Same results with the second disk. So I *think* I have eliminated the disk as the problem. I also tried reseating the disk controller card. After reseating, same issues. Tried unplugging and reconnecting the cable that runs from the PEB to the computer, also no dice.

    Anyone got a clue what is going on?
    Commodore 128 / 1571 / 1581 / 1351 / MPS 1200 / 1084 Monitor / 64NIC+
    Commodore 64 / 1541-II (x 2)
    Commodore Plus/4 / 1551
    TI-99/4A
    Tandy CoCo 2 / Color Computer Mini-Disk 26-3029 (non-working) / Tandy Modem
    Coleco ADAM / Expansion Module 1

  2. #2

    Default

    Have you cleaned the edge connectors where the floppy cables go? I had a similar problem where some oxidation made the drives unreliable. I treated the edge connectors with Deoxit and the problem went away. Good luck!

  3. #3
    Join Date
    Jul 2017
    Location
    SE Albuquerque, NM, USA, Inc.
    Posts
    7

    Default

    What kind of disks are you using? The TI drives were for SSSD disks. (I had similar issues to what you're describing trying to use DSDD disks)

  4. #4

    Default

    I figured it out... dolt me forgot that the name of the disk drive (DSK) had to be in all caps.

    Anyway, I hated to do it, but I wound up selling my TI set up to fund other projects. Perhaps TI and I will meet again some day.
    Commodore 128 / 1571 / 1581 / 1351 / MPS 1200 / 1084 Monitor / 64NIC+
    Commodore 64 / 1541-II (x 2)
    Commodore Plus/4 / 1551
    TI-99/4A
    Tandy CoCo 2 / Color Computer Mini-Disk 26-3029 (non-working) / Tandy Modem
    Coleco ADAM / Expansion Module 1

  5. #5
    Join Date
    Jul 2017
    Location
    SE Albuquerque, NM, USA, Inc.
    Posts
    7

    Default

    That's mixed news. I've considered doing the same as means to break into the C64 or CoCo scene - a bit burned out on TI with its weasely community - but then I remember how far the TI and I go back. Hope you do get to meet again.

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