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    Pentium 4 vent

    I have just received a used P4 and the vent hole in the top of the case is open allowing atmosphere into the case. I normally see this hole sealed. It occurs to me that if the hole is open then excess pressure based on high temperature has occurred and popped the vent.

    I have Googled many different ways to get some enlightenment on this vent but have found nothing of use.

    Comment or input please.
    Gigabyte EP45-DS3L Ultra Reliable (Power saver)
    Intel E8400 (3000Mhz) Bios temps. 4096Mb 800Mhz DDR2 Corsair XMS2 4-4-4-12
    160Gb WD SATAII Server grade
    Nvidia 8500GT 256Mb
    160Gb WD eSATAII Server grade for backup.
    Samsung 18x DVD writer
    Pioneer 16x DVD writer + 6x Dual layer
    33 way card reader
    Windows XP Pro SP3
    Thermaltake Matrix case with 430W Silent Power
    17" Benq FP737s LCD monitor
    HP Officejet Pro K5300 with refillable tanks

    #2
    Re: Pentium 4 vent

    It's merely a hole for letting out gases during curing the sealers during manufacturing.

    Sounds like you never seen one with a open hole. Especially brand new CPUs.

    Don't worry.

    Cheers, Wizard

    Comment


      #3
      Re: Pentium 4 vent

      Thanks. You right I have not seen this hole open before. All others are sealed. I would expect to be sealed whilst not installed to keep out ambient moisture.

      So no suspicion of a cause.
      Gigabyte EP45-DS3L Ultra Reliable (Power saver)
      Intel E8400 (3000Mhz) Bios temps. 4096Mb 800Mhz DDR2 Corsair XMS2 4-4-4-12
      160Gb WD SATAII Server grade
      Nvidia 8500GT 256Mb
      160Gb WD eSATAII Server grade for backup.
      Samsung 18x DVD writer
      Pioneer 16x DVD writer + 6x Dual layer
      33 way card reader
      Windows XP Pro SP3
      Thermaltake Matrix case with 430W Silent Power
      17" Benq FP737s LCD monitor
      HP Officejet Pro K5300 with refillable tanks

      Comment


        #4
        Re: Pentium 4 vent

        http://en.wikipedia.org/wiki/File:Pe..._northwood.png

        This is fresh P4 CPU.

        Cheers, Wizard

        Comment


          #5
          Re: Pentium 4 vent

          since the mobile varients dont even have the heat spreader and have the bare die exposed its nothing to worry about.

          Comment


            #6
            Re: Pentium 4 vent

            Originally posted by davmax
            Thanks. You right I have not seen this hole open before. All others are sealed. I would expect to be sealed whilst not installed to keep out ambient moisture.

            So no suspicion of a cause.
            I think the seal would be from the thermal paste that has covered the hole. Usually, I'd sit there and clean the hole out with a blunt stick of some sort or even using sticky tape to clean it out.
            Don't find love, let love find you. That's why its called falling in love, because you don't force yourself to fall, you just fall. - Anonymous

            Comment


              #7
              Re: Pentium 4 vent

              Thanks for all contributions. I have learned something AND the CPU passes all diagnostics.
              Gigabyte EP45-DS3L Ultra Reliable (Power saver)
              Intel E8400 (3000Mhz) Bios temps. 4096Mb 800Mhz DDR2 Corsair XMS2 4-4-4-12
              160Gb WD SATAII Server grade
              Nvidia 8500GT 256Mb
              160Gb WD eSATAII Server grade for backup.
              Samsung 18x DVD writer
              Pioneer 16x DVD writer + 6x Dual layer
              33 way card reader
              Windows XP Pro SP3
              Thermaltake Matrix case with 430W Silent Power
              17" Benq FP737s LCD monitor
              HP Officejet Pro K5300 with refillable tanks

              Comment


                #8
                Re: Pentium 4 vent

                Indeed... without the hole, the airspace between the heatspreader and the CPU die would be air-tight. When the processor heated up, I would imagine it would break that seal one way or another, and it might not be the way you want it to
                Ludicrous gibs!

                Comment


                  #9
                  Re: Pentium 4 vent

                  True if not mounted. But I would suspect that if mounted with heatsink compound the vent would be sealed.
                  Gigabyte EP45-DS3L Ultra Reliable (Power saver)
                  Intel E8400 (3000Mhz) Bios temps. 4096Mb 800Mhz DDR2 Corsair XMS2 4-4-4-12
                  160Gb WD SATAII Server grade
                  Nvidia 8500GT 256Mb
                  160Gb WD eSATAII Server grade for backup.
                  Samsung 18x DVD writer
                  Pioneer 16x DVD writer + 6x Dual layer
                  33 way card reader
                  Windows XP Pro SP3
                  Thermaltake Matrix case with 430W Silent Power
                  17" Benq FP737s LCD monitor
                  HP Officejet Pro K5300 with refillable tanks

                  Comment


                    #10
                    Re: Pentium 4 vent

                    Exactly, the copper heatspeader isn't totally sealed all around on later CPUs as part of improvement manufacturing process and cut down on cost of punching out tiny hole and less use on glue.

                    http://home.arcor.de/xxmartin/A64/a64_ihs.jpg this is also found on Core 2 Duo (using lipped heatspeader).

                    http://www.techpowerup.com/articles/...cking/intel/37 (fails to view with FF, IE viewable. :P)

                    Cheers, Wizard

                    Comment


                      #11
                      Re: Pentium 4 vent

                      I just looked at it in firefox.

                      Comment


                        #12
                        Re: Pentium 4 vent

                        Thanks Wizard


                        Those links are a great contribution. Makes facts crystal clear.
                        Gigabyte EP45-DS3L Ultra Reliable (Power saver)
                        Intel E8400 (3000Mhz) Bios temps. 4096Mb 800Mhz DDR2 Corsair XMS2 4-4-4-12
                        160Gb WD SATAII Server grade
                        Nvidia 8500GT 256Mb
                        160Gb WD eSATAII Server grade for backup.
                        Samsung 18x DVD writer
                        Pioneer 16x DVD writer + 6x Dual layer
                        33 way card reader
                        Windows XP Pro SP3
                        Thermaltake Matrix case with 430W Silent Power
                        17" Benq FP737s LCD monitor
                        HP Officejet Pro K5300 with refillable tanks

                        Comment

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