My Airduct Experience

September 9, 2001 admin Uncategorized 0

An airduct dropped CPU temps 10C.–Jocke Sedell

PROBLEM

After purchasing a new ATX case and a new 60mm YS.TECH for the no-name
CPU heat sink the Tbird 900@1000 still reaches 52 deg. Celsius during full workload.

Adding another two 60×7 fans in the front of the case and one no-name 80×20 in the back
of the case did not reduce the CPU temperature.

CAUSE

Air temperature in the case is too high for effective CPU cooling.

PROPOSED SOLUTION

After Internet research, concluded an air-duct should solve the problem. By placing an airduct from outside the case to a position over the CPU-fan, the CPU-fan will then blow cooler room-temperature air onto the heatsink and thus cool the CPU more.

IMPLEMENTATION


  • Use a pencil and a folding-rule to mark out a rectangle on the left side of the case.

  • Use your drill to drill a hole large enough for the jigsaw and cut-out the rectangle.
  • Take a piece of board and use a scissor to create a tube, using duct-tape to hold it
    together and to fasten it to the inside of the case.

    RESULTS


    Temperature before Modification:
    Case: 32
    CPU: 52
    Ambient: 23

    Temperature after Modification:
    Case: 30
    CPU: 42
    Ambient: 23

    This modification dropped the CPU temperature by 10 deg. Celsius under full load at no additional cost or other negatives besides the CPU-fan being is bit louder.

    CONTACT

    Jocke Sedell

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