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CIRCLE WITH A DOT

  1. Home
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  3. Unlike my floppy drive box, only a single goat has pissed on my PCjr box

Unlike my floppy drive box, only a single goat has pissed on my PCjr box

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retrocomputingvcf
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  • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

    The most important port on the IBM PCjr is the LP port, which is for the light pen.

    From left to right, we have the joystick ports, J J, after which JJ Abrams was named.

    Nobody knows what the L port is for. If you hook a speaker to it, sometimes you hear voices in forgotten languages.

    The K port is for the keyboard.

    The T port is where you connect a better computer, your Tandy 1000

    Link Preview Image
    be_far@social.treehouse.systemsB This user is from outside of this forum
    be_far@social.treehouse.systemsB This user is from outside of this forum
    be_far@social.treehouse.systems
    wrote last edited by
    #10

    @gloriouscow my favorite French anime, Jujutsu le Kaisen

    1 Reply Last reply
    0
    • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

      The most important port on the IBM PCjr is the LP port, which is for the light pen.

      From left to right, we have the joystick ports, J J, after which JJ Abrams was named.

      Nobody knows what the L port is for. If you hook a speaker to it, sometimes you hear voices in forgotten languages.

      The K port is for the keyboard.

      The T port is where you connect a better computer, your Tandy 1000

      Link Preview Image
      gloriouscow@oldbytes.spaceG This user is from outside of this forum
      gloriouscow@oldbytes.spaceG This user is from outside of this forum
      gloriouscow@oldbytes.space
      wrote last edited by
      #11

      A strange property of the gaping M port is that no light can escape it. This is normal.

      The M port was for a modem but this was a stupid move on Ibm's part because the Internet hadn't been invented yet.

      Link Preview Image
      gloriouscow@oldbytes.spaceG rotopenguin@mastodon.socialR 2 Replies Last reply
      0
      • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

        The most important port on the IBM PCjr is the LP port, which is for the light pen.

        From left to right, we have the joystick ports, J J, after which JJ Abrams was named.

        Nobody knows what the L port is for. If you hook a speaker to it, sometimes you hear voices in forgotten languages.

        The K port is for the keyboard.

        The T port is where you connect a better computer, your Tandy 1000

        Link Preview Image
        timixretroplays@digipres.clubT This user is from outside of this forum
        timixretroplays@digipres.clubT This user is from outside of this forum
        timixretroplays@digipres.club
        wrote last edited by
        #12

        @gloriouscow JJ's namesake is not hard to find in good condition, and often still BNIB! #retrocomputing

        mjdxp@labyrinth.zoneM kalleboo@bitbang.socialK 2 Replies Last reply
        0
        • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

          A strange property of the gaping M port is that no light can escape it. This is normal.

          The M port was for a modem but this was a stupid move on Ibm's part because the Internet hadn't been invented yet.

          Link Preview Image
          gloriouscow@oldbytes.spaceG This user is from outside of this forum
          gloriouscow@oldbytes.spaceG This user is from outside of this forum
          gloriouscow@oldbytes.space
          wrote last edited by
          #13

          The D port is where you can connect a display. You can use a special cable to attach a normal CGA monitor. You can purchase such a cable for $20 from someone who got it from Computer Reset for $3

          leadedsolder@retrochat.onlineL gloriouscow@oldbytes.spaceG 3 Replies Last reply
          0
          • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

            The D port is where you can connect a display. You can use a special cable to attach a normal CGA monitor. You can purchase such a cable for $20 from someone who got it from Computer Reset for $3

            leadedsolder@retrochat.onlineL This user is from outside of this forum
            leadedsolder@retrochat.onlineL This user is from outside of this forum
            leadedsolder@retrochat.online
            wrote last edited by
            #14

            @gloriouscow I wish I knew why I was spending so much time and money trying to save my flood victim PCjr

            gloriouscow@oldbytes.spaceG 1 Reply Last reply
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            • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

              A strange property of the gaping M port is that no light can escape it. This is normal.

              The M port was for a modem but this was a stupid move on Ibm's part because the Internet hadn't been invented yet.

              Link Preview Image
              rotopenguin@mastodon.socialR This user is from outside of this forum
              rotopenguin@mastodon.socialR This user is from outside of this forum
              rotopenguin@mastodon.social
              wrote last edited by
              #15

              @gloriouscow that's the "manicure" slot. You can drop fingernail clippings in there, just like you would put razors in that slot in your medicine cabinet.

              gloriouscow@oldbytes.spaceG 1 Reply Last reply
              0
              • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                The D port is where you can connect a display. You can use a special cable to attach a normal CGA monitor. You can purchase such a cable for $20 from someone who got it from Computer Reset for $3

                gloriouscow@oldbytes.spaceG This user is from outside of this forum
                gloriouscow@oldbytes.spaceG This user is from outside of this forum
                gloriouscow@oldbytes.space
                wrote last edited by
                #16

                The most famous orifices on the PCjr though have to be the cartridge slots. They're a pair of dust magnets located directly under the floppy drive.

                Inserting a cartridge into one of these will immediately reboot the system without confirmation. Be sure to do that while Daddy is working on a spreadsheet.

                #retrocomputing

                emily@techiegirl.socialE gloriouscow@oldbytes.spaceG mjdxp@labyrinth.zoneM 3 Replies Last reply
                0
                • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                  The most important port on the IBM PCjr is the LP port, which is for the light pen.

                  From left to right, we have the joystick ports, J J, after which JJ Abrams was named.

                  Nobody knows what the L port is for. If you hook a speaker to it, sometimes you hear voices in forgotten languages.

                  The K port is for the keyboard.

                  The T port is where you connect a better computer, your Tandy 1000

                  Link Preview Image
                  thomasfuchs@hachyderm.ioT This user is from outside of this forum
                  thomasfuchs@hachyderm.ioT This user is from outside of this forum
                  thomasfuchs@hachyderm.io
                  wrote last edited by
                  #17

                  @gloriouscow LP is where the gas is filled

                  1 Reply Last reply
                  0
                  • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                    The most famous orifices on the PCjr though have to be the cartridge slots. They're a pair of dust magnets located directly under the floppy drive.

                    Inserting a cartridge into one of these will immediately reboot the system without confirmation. Be sure to do that while Daddy is working on a spreadsheet.

                    #retrocomputing

                    emily@techiegirl.socialE This user is from outside of this forum
                    emily@techiegirl.socialE This user is from outside of this forum
                    emily@techiegirl.social
                    wrote last edited by
                    #18

                    @gloriouscow Thank you for the memories 😊

                    1 Reply Last reply
                    0
                    • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                      The most famous orifices on the PCjr though have to be the cartridge slots. They're a pair of dust magnets located directly under the floppy drive.

                      Inserting a cartridge into one of these will immediately reboot the system without confirmation. Be sure to do that while Daddy is working on a spreadsheet.

                      #retrocomputing

                      gloriouscow@oldbytes.spaceG This user is from outside of this forum
                      gloriouscow@oldbytes.spaceG This user is from outside of this forum
                      gloriouscow@oldbytes.space
                      wrote last edited by
                      #19

                      The first thing a new PCjr owner is going to want to do is remove the frungus modulator. You don't need this, it was only added for compliance with French law

                      gloriouscow@oldbytes.spaceG jannem@fosstodon.orgJ mjdxp@labyrinth.zoneM 3 Replies Last reply
                      0
                      • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                        The first thing a new PCjr owner is going to want to do is remove the frungus modulator. You don't need this, it was only added for compliance with French law

                        gloriouscow@oldbytes.spaceG This user is from outside of this forum
                        gloriouscow@oldbytes.spaceG This user is from outside of this forum
                        gloriouscow@oldbytes.space
                        wrote last edited by
                        #20

                        Oh wait my bad we do need that, put that back.

                        jf_718@oldbytes.spaceJ gloriouscow@oldbytes.spaceG 2 Replies Last reply
                        0
                        • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                          The first thing a new PCjr owner is going to want to do is remove the frungus modulator. You don't need this, it was only added for compliance with French law

                          jannem@fosstodon.orgJ This user is from outside of this forum
                          jannem@fosstodon.orgJ This user is from outside of this forum
                          jannem@fosstodon.org
                          wrote last edited by
                          #21

                          @gloriouscow
                          I may be way overthinking things here. But reading between the lines I almost suspect you may not be 100% satisfied with the design decisions and manufacturing execution of this piece of hardware.

                          gloriouscow@oldbytes.spaceG 1 Reply Last reply
                          0
                          • jannem@fosstodon.orgJ jannem@fosstodon.org

                            @gloriouscow
                            I may be way overthinking things here. But reading between the lines I almost suspect you may not be 100% satisfied with the design decisions and manufacturing execution of this piece of hardware.

                            gloriouscow@oldbytes.spaceG This user is from outside of this forum
                            gloriouscow@oldbytes.spaceG This user is from outside of this forum
                            gloriouscow@oldbytes.space
                            wrote last edited by
                            #22

                            @jannem I don't know what you're talking about. The peanut is the best thing people with MBAs ever forced engineers to make

                            1 Reply Last reply
                            0
                            • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                              Oh wait my bad we do need that, put that back.

                              jf_718@oldbytes.spaceJ This user is from outside of this forum
                              jf_718@oldbytes.spaceJ This user is from outside of this forum
                              jf_718@oldbytes.space
                              wrote last edited by
                              #23

                              @gloriouscow This thread on the Tandy 900 is amazing!

                              1 Reply Last reply
                              0
                              • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                The most famous orifices on the PCjr though have to be the cartridge slots. They're a pair of dust magnets located directly under the floppy drive.

                                Inserting a cartridge into one of these will immediately reboot the system without confirmation. Be sure to do that while Daddy is working on a spreadsheet.

                                #retrocomputing

                                mjdxp@labyrinth.zoneM This user is from outside of this forum
                                mjdxp@labyrinth.zoneM This user is from outside of this forum
                                mjdxp@labyrinth.zone
                                wrote last edited by
                                #24
                                @gloriouscow i don't believe i've ever seen a PCjr cartridge in my life, not even online. i think i searched to see what they look like and got no results
                                jiub@not.an.evilcyberhacker.netJ gloriouscow@oldbytes.spaceG moses_izumi@fe.disroot.orgM 3 Replies Last reply
                                0
                                • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                  The first thing a new PCjr owner is going to want to do is remove the frungus modulator. You don't need this, it was only added for compliance with French law

                                  mjdxp@labyrinth.zoneM This user is from outside of this forum
                                  mjdxp@labyrinth.zoneM This user is from outside of this forum
                                  mjdxp@labyrinth.zone
                                  wrote last edited by
                                  #25
                                  @gloriouscow nah, the first thing a PCjr owner is going to end up doing is ordering a replacement keyboard (assuming they got the chiclet style one)

                                  and the second thing they're going to do is order a tandy 1000
                                  1 Reply Last reply
                                  0
                                  • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                    Here are the two IR Leds and the jack for connecting a keyboard cable. Let us look closer

                                    mjdxp@labyrinth.zoneM This user is from outside of this forum
                                    mjdxp@labyrinth.zoneM This user is from outside of this forum
                                    mjdxp@labyrinth.zone
                                    wrote last edited by
                                    #26
                                    @gloriouscow ah, that's right, IBM really did think they could pull off a wireless keyboard in the 80's
                                    1 Reply Last reply
                                    0
                                    • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                      Look right in here. Right up in this connector that can make your terrible wireless keyboard a terrible wired keyboard

                                      #retrocomputing

                                      mjdxp@labyrinth.zoneM This user is from outside of this forum
                                      mjdxp@labyrinth.zoneM This user is from outside of this forum
                                      mjdxp@labyrinth.zone
                                      wrote last edited by
                                      #27
                                      @gloriouscow or you could plug a phone handset into there to presumably talk to your keyboard!
                                      1 Reply Last reply
                                      0
                                      • timixretroplays@digipres.clubT timixretroplays@digipres.club

                                        @gloriouscow JJ's namesake is not hard to find in good condition, and often still BNIB! #retrocomputing

                                        mjdxp@labyrinth.zoneM This user is from outside of this forum
                                        mjdxp@labyrinth.zoneM This user is from outside of this forum
                                        mjdxp@labyrinth.zone
                                        wrote last edited by
                                        #28
                                        @timixretroplays @gloriouscow we really did think as a species that this was an acceptable joystick design, huh
                                        timixretroplays@digipres.clubT 1 Reply Last reply
                                        0
                                        • foone@digipres.clubF foone@digipres.club

                                          @gloriouscow I tried to make my pcjr keyboard wired, using the cable. But it turns out the protocol is deeply stupid so I never got it working

                                          mjdxp@labyrinth.zoneM This user is from outside of this forum
                                          mjdxp@labyrinth.zoneM This user is from outside of this forum
                                          mjdxp@labyrinth.zone
                                          wrote last edited by
                                          #29
                                          @foone @gloriouscow i have no idea why IBM thought using what looks like an RJ11 port but probably isn't actually wired like one was a good idea for connecting keyboards. my IBM 3151 terminal is similar, but it uses an RJ45 cable instead. thanks to it, you can buy an IBM model m keyboard with a fucking ethernet cable coming out of it
                                          curtmack@floss.socialC 1 Reply Last reply
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