My Third Case Mod....Thawing an Ice Cube

Discussion in 'PowerMac G4 Cube' started by chaosdesigns, Oct 2, 2012.

  1. Einsteiniac

    Einsteiniac

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    Nov 5, 2012 at 10:39 PM #71
    Einsteiniac

    Einsteiniac

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    Yeah I am not sure I know the rubber will compress quite a bit though.
     
  2. chaosdesigns

    chaosdesigns

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    Nov 5, 2012 at 11:01 PM #72
    chaosdesigns

    chaosdesigns

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    I did have these rubber fan mounts available, but they were too large to fit through the tapped holes.

    [​IMG]

    But thanks for reminding me that the G5 fans have some..... I will go and root through my parts pile and see if a smaller set is available.

    chaos
     
    Last edited: Jul 3, 2017
  3. Jeffinslaw

    Jeffinslaw

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    Nov 6, 2012 at 6:27 AM #73
    Jeffinslaw

    Jeffinslaw

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    No no no no, don't buy anything "designed" for computer fans. I went to my local True Value Hardware and picked up 40 rubber O-rings for my fans. Super cheap. They work GREAT!

    Jeffinslaw
     
  4. chaosdesigns

    chaosdesigns

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    Nov 7, 2012 at 5:29 AM #74
    chaosdesigns

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    Thanks Jeffinslaw......Home Hardware, here I come!
     
  5. chaosdesigns

    chaosdesigns

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    Nov 7, 2012 at 5:37 AM #75
    chaosdesigns

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    Finalizing the Touch Sensor

    When I re-assembled my cube, I began to have problems with the proximity sensor. The cube would shutdown and startup randomly
    So I shortened the cable to the sensor and ensured things were grounded. I also moved the sensor cap (glued to the metal "can") closer to the proximity switch.

    Shown here is the ground jumper.

    [​IMG]

    [​IMG]

    I created a shorter cable that has a ground wire running through it to minimize stray signals.

    [​IMG]

    I added some Duct Tape to the circuit side of the PC board, so it could be mounted closer to the "can" on my custom sensor bracket.

    [​IMG]

    Now the switch behaves predictably.:D

    Happy Modding!
    chaos
     
    Last edited: Jul 3, 2017
  6. chaosdesigns

    chaosdesigns

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    Nov 7, 2012 at 9:38 PM #76
    chaosdesigns

    chaosdesigns

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    Adding USB and Audio Jacks to the DVD Slot


    Instead of an optical drive, I want to add the ablity to use USB devices and headphones without flipping the cube over. So I'm going to mount 4 USB jacks and a Line In and Headphones Out in the slot where the optical drive used to be.


    Here are the USB and Audio components I am going to incorporate into my cube.


    [​IMG]


    I "stole" just the audio ports from an Obsidian Front Panel Upgrade Kit. I trimmed up the bracket that came with the USB ports and created one of my own for the audio jacks out of a small scrap of aluminum.


    [​IMG]


    I used JB Weld to "glue" them all together on the top plate.


    [​IMG]


    Here is a photo with the ports installed.


    [​IMG]


    ....and the rear... a bit messy due to the JB weld.
    [​IMG]


    Installing the ports was a simple matter of re-attaching the top plate, routing the USB and audio wires and plugging them into their respective headers on the motherboard.
    USB Connectors


    [​IMG]


    AUDIO Connector


    [​IMG]

    And here is a view from the top.

    [​IMG]

    and..... they work!

    [​IMG]


    Happy Modding!
    chaos
     
    Last edited: Jul 3, 2017
  7. Einsteiniac

    Einsteiniac

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    Nov 7, 2012 at 10:13 PM #77
    Einsteiniac

    Einsteiniac

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    I remember when these machines were a few years old the original design started to have issues and Apple was replacing those rubber gaskets to resolve the issue. It has been so long but if I remember correctly the gaskets were compressing over time allowing for excess heat to build up around the sensor which triggered an event in the sensor.
     
  8. minihack

    minihack

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    Nov 7, 2012 at 10:16 PM #78
    minihack

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    Yes, and one of the cures is also to use a bit of sticky tape over the sensor.....all good "hacking". :)
     
  9. chaosdesigns

    chaosdesigns

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    Nov 7, 2012 at 11:12 PM #79
    chaosdesigns

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    Interesting! I did not know that. I have had my cube running for a couple of days now, and the temps are quite good. I don't think I will have a heat issue with my sensor, as it is no longer in the "chimney path", in fact there is nothing near it that generates any heat.


    chaos
     
  10. chaosdesigns

    chaosdesigns

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    Nov 8, 2012 at 2:53 AM #80
    chaosdesigns

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    Project Completion


    And with a final polish to the plexiglas case, my cube is complete.


    Special thanks to:
    neilhart - for finding this motherboard and figuring out how to make OSX work on it,as well as project support thru-out.
    minihack - for figuring out all about the touch sensor and providing support thru-out the project.
    Einsteiniac - for actually reading my error messages and providing support thru-out the project.
    eelhead - for providing support thru-out the project.
    The Entire TonyMac Community - for making projects like this possible!


    Here are some photos of the finished project.
    [​IMG] [​IMG]


    The Core:
    Top
    [​IMG]


    Front
    [​IMG]


    Side
    [​IMG]


    Side
    [​IMG]


    Bottom
    [​IMG]


    Back
    [​IMG]


    I have attached my build notes. They include the major parts list, my BIOS settings and the Mountain Lion installation procedure.
    View attachment Intel Cube Build.txt


    This project took 5 weeks elapsed time. All the modifications were done with common tools you would find in most garages.


    On to the next project....Cube Two! Happy Modding


    chaos
     
    Last edited: Jul 3, 2017

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