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CIRCLE WITH A DOT

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helpful tip

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retrocomputing
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  • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

    helpful tip

    #retrocomputing

    byte@chitter.xyzB This user is from outside of this forum
    byte@chitter.xyzB This user is from outside of this forum
    byte@chitter.xyz
    wrote last edited by
    #13

    @gloriouscow you're telling me i've been doing it wrong zhis whole time??

    1 Reply Last reply
    0
    • kim@fedi.socialK kim@fedi.social

      @futurebird@sauropods.win @gloriouscow@oldbytes.space Needs the off-by-one pin error and the magic smoke escaping to show everything.

      futurebird@sauropods.winF This user is from outside of this forum
      futurebird@sauropods.winF This user is from outside of this forum
      futurebird@sauropods.win
      wrote last edited by
      #14

      @kim @gloriouscow

      Or have the whole thing in backwards...

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

        helpful tip

        #retrocomputing

        ? Offline
        ? Offline
        Guest
        wrote last edited by
        #15
        @gloriouscow reminds me of piggybacking ROM/DRAM chips
        (you have to have separate CAS/RAS and CS pins, most other are connected 1:1 so its often easier to just lift the few and solder the rest one on another)
        Link Preview ImageLink Preview Image
        gloriouscow@oldbytes.spaceG 1 Reply Last reply
        0
        • ? Guest
          @gloriouscow reminds me of piggybacking ROM/DRAM chips
          (you have to have separate CAS/RAS and CS pins, most other are connected 1:1 so its often easier to just lift the few and solder the rest one on another)
          Link Preview ImageLink 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
          #16

          @gorplop It's the lazy way to replace a bad DRAM, i've done it 😄

          1 Reply Last reply
          0
          • futurebird@sauropods.winF futurebird@sauropods.win

            @kim @gloriouscow

            Or have the whole thing in backwards...

            kim@fedi.socialK This user is from outside of this forum
            kim@fedi.socialK This user is from outside of this forum
            kim@fedi.social
            wrote last edited by
            #17

            @futurebird@sauropods.win @gloriouscow@oldbytes.space My usual trick is to carefully pay attention to the notch/dot to ensure that doesn't happen, oblivious to Past Me having failed to be as rigorous when installing the socket. 🤦‍♀️

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

              @nazokiyoubinbou we've all done it. maybe not three simultaneously - the internally bent pin is particularly nefarious because its hard to see.

              nazokiyoubinbou@urusai.socialN This user is from outside of this forum
              nazokiyoubinbou@urusai.socialN This user is from outside of this forum
              nazokiyoubinbou@urusai.social
              wrote last edited by
              #18

              @gloriouscow Oof, you're not kidding. I missed it even in the illustration here clearly showing it...

              1 Reply Last reply
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              • adorfer@chaos.socialA adorfer@chaos.social

                @gloriouscow perhaps spin it 180 degrees.

                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

                @adorfer

                it is a scan from a manual

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

                  helpful tip

                  #retrocomputing

                  t36s@social.ordinal.gardenT This user is from outside of this forum
                  t36s@social.ordinal.gardenT This user is from outside of this forum
                  t36s@social.ordinal.garden
                  wrote last edited by
                  #20

                  @gloriouscow [chuckles]

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

                    helpful tip

                    #retrocomputing

                    tomjennings@tldr.nettime.orgT This user is from outside of this forum
                    tomjennings@tldr.nettime.orgT This user is from outside of this forum
                    tomjennings@tldr.nettime.org
                    wrote last edited by
                    #21

                    @gloriouscow

                    Oh its ok, that's why there's so many pins.

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

                      helpful tip

                      #retrocomputing

                      mousey@mastodon.seattlematrix.orgM This user is from outside of this forum
                      mousey@mastodon.seattlematrix.orgM This user is from outside of this forum
                      mousey@mastodon.seattlematrix.org
                      wrote last edited by
                      #22

                      @gloriouscow I felt physical pain seeing this.

                      gloriouscow@oldbytes.spaceG 1 Reply Last reply
                      0
                      • mousey@mastodon.seattlematrix.orgM mousey@mastodon.seattlematrix.org

                        @gloriouscow I felt physical pain seeing this.

                        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
                        #23

                        @mousey

                        you're welcome

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

                          helpful tip

                          #retrocomputing

                          truh@shark.communityT This user is from outside of this forum
                          truh@shark.communityT This user is from outside of this forum
                          truh@shark.community
                          wrote last edited by
                          #24

                          @gloriouscow I just know these things demand a blood sacrifice. Poking your finger, ideally under the finger nails or something.

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

                            helpful tip

                            #retrocomputing

                            0x7700e6@mastodon.catgirl.cloud0 This user is from outside of this forum
                            0x7700e6@mastodon.catgirl.cloud0 This user is from outside of this forum
                            0x7700e6@mastodon.catgirl.cloud
                            wrote last edited by
                            #25

                            @gloriouscow the pin that is fourth from the right, bent outwards: the socket does not have a hole for that pin
                            the chip installation was doomed to be incorrect

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

                              helpful tip

                              #retrocomputing

                              commanderred@chaos.socialC This user is from outside of this forum
                              commanderred@chaos.socialC This user is from outside of this forum
                              commanderred@chaos.social
                              wrote last edited by
                              #26

                              @gloriouscow that hurts to look at

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

                                helpful tip

                                #retrocomputing

                                loganer@mastodon.socialL This user is from outside of this forum
                                loganer@mastodon.socialL This user is from outside of this forum
                                loganer@mastodon.social
                                wrote last edited by
                                #27

                                @gloriouscow depends, if you want to alter the functionality of the chip this might be correct.

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

                                  helpful tip

                                  #retrocomputing

                                  flesh@transfem.socialF This user is from outside of this forum
                                  flesh@transfem.socialF This user is from outside of this forum
                                  flesh@transfem.social
                                  wrote last edited by
                                  #28

                                  @gloriouscow@oldbytes.space Please CW your gore posts.

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

                                    helpful tip

                                    #retrocomputing

                                    mander@corteximplant.netM This user is from outside of this forum
                                    mander@corteximplant.netM This user is from outside of this forum
                                    mander@corteximplant.net
                                    wrote last edited by
                                    #29
                                    @gloriouscow so thats why my stuff won't work
                                    1 Reply Last reply
                                    0
                                    • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                      helpful tip

                                      #retrocomputing

                                      deltawye@tiggi.esD This user is from outside of this forum
                                      deltawye@tiggi.esD This user is from outside of this forum
                                      deltawye@tiggi.es
                                      wrote last edited by
                                      #30

                                      @gloriouscow reminds me of the WOM (write-only memory) data sheet chart of “NUMBER OF INSERTIONS” versus “NUMBER OF INTACT PINS REMAINING”

                                      1 Reply Last reply
                                      0
                                      • adorfer@chaos.socialA adorfer@chaos.social

                                        @gloriouscow perhaps spin it 180 degrees.

                                        leckse@social.leckse.netL This user is from outside of this forum
                                        leckse@social.leckse.netL This user is from outside of this forum
                                        leckse@social.leckse.net
                                        wrote last edited by
                                        #31

                                        @adorfer @gloriouscow I’m pretty sure you should.

                                        The indent on the IC should align with on the DIP socket.

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

                                          helpful tip

                                          #retrocomputing

                                          orva@social.orva.fiO This user is from outside of this forum
                                          orva@social.orva.fiO This user is from outside of this forum
                                          orva@social.orva.fi
                                          wrote last edited by
                                          #32

                                          @gloriouscow Nice illustration but it misses some important details. Mainly, which are the pins that should be bent for correct installation 😛

                                          1 Reply Last reply
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