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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

    ? 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. 🤦‍♀️

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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
            0
            • 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
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                            • 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
                                      0
                                      • gloriouscow@oldbytes.spaceG gloriouscow@oldbytes.space

                                        helpful tip

                                        #retrocomputing

                                        galactichero@mindly.socialG This user is from outside of this forum
                                        galactichero@mindly.socialG This user is from outside of this forum
                                        galactichero@mindly.social
                                        wrote last edited by
                                        #33

                                        @gloriouscow I’ve been there. Oh yes, I’ve been there #DIP

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

                                          helpful tip

                                          #retrocomputing

                                          ciatmusings@raru.reC This user is from outside of this forum
                                          ciatmusings@raru.reC This user is from outside of this forum
                                          ciatmusings@raru.re
                                          wrote last edited by
                                          #34

                                          @gloriouscow ouch

                                          1 Reply Last reply
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