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    #31
    the other osborn talks to me whem i turn it on... plus i can't get at the guts till i can get the screw out thats got a striped head
    Pegcity bits the home of praire bits and bytes a heritage lost yet not
    Heathkit h89 h77 h11 h10 with some extra bits
    Osborn 1 x2
    pdp8a with asr33 and documentation and software
    GE workmaster with series six PLC and ibm p70 (same as a ge workmaster 2)
    Commodore PC-10 II and other stuff

    Comment


      #32
      got it working i tried the other floppy it came with after trying the shift " thing. either the cp/m to system disk is bad? or is not a bootable floppy i duno

      anyhow this machean came with 2 floppys in a sleave. one as labled above and another thats not lable that boots the system.

      going through the floppies i allready have i've got

      DB11
      supercalc
      wordstar
      Cbasic to Mbasic
      cpm
      bunch mystry disks << might a game or 2 buried in those if i remember corectly
      wordstar mailmerg??
      pdp sig cbasc
      cm/p 2.2 system utility

      all this stuff has double density version written on them

      the ones that came with this exact machean don't say dd on them or anything to that nature


      so apears i got her working after a bit of a silly fail on my part o well i swapped that drave back over to the proper side

      won't read anything on Bdrive though just goes bad sector even with nothing in it so prolly have to tare it apart.


      as for my other machean any advice on getting a striped case screw out?? as i can't open it up and also like to swap the handles as its got a mint one that i should treat and swap onto this one
      Last edited by 1ajs; January 11, 2012, 05:44 PM.
      Pegcity bits the home of praire bits and bytes a heritage lost yet not
      Heathkit h89 h77 h11 h10 with some extra bits
      Osborn 1 x2
      pdp8a with asr33 and documentation and software
      GE workmaster with series six PLC and ibm p70 (same as a ge workmaster 2)
      Commodore PC-10 II and other stuff

      Comment


        #33
        Originally posted by 1ajs View Post

        as for my other machean any advice on getting a striped case screw out?? as i can't open it up and also like to swap the handles as its got a mint one that i should treat and swap onto this one
        Good to hear you got one of them working.

        As for the screw, how about a really long drill bit and a very steady hand (to hold the drill vertical in both directions) and then drill the top off the screw.
        Are you planning on trying to get both of them working? (if not, just screw it and take the drives out of one of them to use in the other one.

        Comment


          #34
          do they even make that size of bit that long?
          Pegcity bits the home of praire bits and bytes a heritage lost yet not
          Heathkit h89 h77 h11 h10 with some extra bits
          Osborn 1 x2
          pdp8a with asr33 and documentation and software
          GE workmaster with series six PLC and ibm p70 (same as a ge workmaster 2)
          Commodore PC-10 II and other stuff

          Comment


            #35
            Originally posted by 1ajs View Post
            all this stuff has double density version written on them

            the ones that came with this exact machean don't say dd on them or anything to that nature
            So, if the only floppy you can boot from is one of the ones supplied with the machine (i.e. none of your existing bootable double-density floppies boot), then maybe the newly acquired Osborne does not have the optional double-density option, and thus is unable to boot from double-density formatted floppies. I'm not an Osborne expert, and so perhaps someone who is will confirm that possibility.

            Comment


              #36
              maybe

              i know my disks worked on my other machean when it was working. witch came from a mine

              did some of these come with differt drive options then?
              Last edited by 1ajs; January 11, 2012, 09:51 PM.
              Pegcity bits the home of praire bits and bytes a heritage lost yet not
              Heathkit h89 h77 h11 h10 with some extra bits
              Osborn 1 x2
              pdp8a with asr33 and documentation and software
              GE workmaster with series six PLC and ibm p70 (same as a ge workmaster 2)
              Commodore PC-10 II and other stuff

              Comment


                #37
                There were different ROMs for different drive and format support; some were third-party. The first O1s had single-density (FM), single-sided 35-cylinder format--they held a whopping 90KB. Then there were upgrades to both single-and double-sided MFM. Compuline had a number of "Osmosis" upgrades to bot the disk drives and video. All take different boot floppies.

                It helps to know what you have in the box.
                Reach me: vcfblackhole _at_ protonmail dot com.

                Comment


                  #38






                  Last edited by 1ajs; January 12, 2012, 12:35 AM.
                  Pegcity bits the home of praire bits and bytes a heritage lost yet not
                  Heathkit h89 h77 h11 h10 with some extra bits
                  Osborn 1 x2
                  pdp8a with asr33 and documentation and software
                  GE workmaster with series six PLC and ibm p70 (same as a ge workmaster 2)
                  Commodore PC-10 II and other stuff

                  Comment


                    #39
                    I believe the 1.44 ROM (in your photo) was the latest version.
                    I don't however, see the double density upgrade in those photos (usually a separate small board mounted on the main board), so so maybe yours are single density.
                    A double density machine will read a single density disk, but a single density machine will not read a double density disk.
                    Perhaps your other machine was a later Osborne which came as double density Osbornes.

                    What's the serial number of that machine?

                    I've got a couple Osmosis double density upgrade kits, but they'll only work with particular revisions of main boards, and with the 1.44 ROM (which you have).
                    What's the version number of your main board? (it's too small to see in the photo)

                    Comment


                      #40
                      Congratulations on progress

                      Yes, like Lorne i do not see the double density board on your machine. This may be the issue.

                      Tez
                      ------------------------------------------------
                      My vintage collection: https://classic-computers.org.nz/collection/
                      My vintage activities blog: https://www.classic-computers.org.nz/blog/
                      Twitter: @classiccomputNZ ; YouTube Videos: (click here)

                      Comment


                        #41



                        i have to get inside my other Manichean somehow lol and see what its got
                        Pegcity bits the home of praire bits and bytes a heritage lost yet not
                        Heathkit h89 h77 h11 h10 with some extra bits
                        Osborn 1 x2
                        pdp8a with asr33 and documentation and software
                        GE workmaster with series six PLC and ibm p70 (same as a ge workmaster 2)
                        Commodore PC-10 II and other stuff

                        Comment


                          #42
                          Originally posted by 1ajs View Post

                          i have to get inside my other Manichean somehow lol and see what its got
                          Before you take a Dremel of SkilSaw to the other machine, why don't you try:
                          http://www.polymericsystems.com/epox.../faststeel.htm
                          Just take a 1/2" dia ball of the stuff, stick it down the screw hole onto the top of the screw, stick a phillips screwdriver down into the putty, and wait a day for it to set real good.
                          Then turn the screwdriver and see if the screw comes out - you've nothing to lose (except maybe the screwdriver).
                          I've had some real good luck with that stuff - I've fixed car parts, other parts, and once I even stuck someones quarter into a glob of it (10 years ago) and the quarter is still stuck in there.

                          On the double density front, your board is the correct revision number for an upgrade, and I've found I have two Nuevo DD upgrade boards, and two of the original Osborne DD upgrade boards as well.
                          The Osborne boards are a much easier easier installation than the Nuevo boards (which require soldering wires to a few chips) .
                          You first need to make sure you have two good working drives though.
                          If they're out of alignment, any R/W problems could be even worse when you try to double the data they're holding.

                          Comment


                            #43
                            I am pleased to report that another Osborne is once again booting CPM and running programs. Special thanks to tezza and Lorne for their great troubleshooting suggestions, and to smp for making these vintage parts (keyboard) available to others. I'm happy to belong to this great community.

                            I now have the following list of working computers:
                            • Osborne 1a floppy disk system
                            • TRS-80 Model 100 floppy disk system
                            • Tandy Model 102 floppy disk system
                            • Two TRS-80 Model I floppy disk systems
                            • TRS-80 Model 4 floppy disk system
                            • TRS-80 Model 4p floppy disk system
                            • TRS-80 Color Computer 2 floppy disk system
                            • Atari 800 floppy disk system


                            I also have the following working game systems:
                            • 3DO
                            • NEC Turbo Express handheld
                            • Nintendo 64
                            • various other non-vintage


                            Ya just gotta love old electronic gizmos.


                            Thanks again folks!

                            Don Mankin
                            - Don Mankin -

                            [
                            TRS-80 Models I, 4, 4p, Coco 2, 100, 102. Tandy 1000 RLX. Osborne 1a.
                            At
                            ari 800, 520 STm. Commodore 64.
                            Amiga 1000. TI-99/A. Sinclair ZX-81]

                            Comment


                              #44
                              Well done with the Osborne! good to see that old machines are brought back into play again.
                              Torfinn

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