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    Salut,<br>
    Je veux pas dire mais en ~1994 quand AMD a sortit son 486 dx4 120mhz
    (j'en ais un exemplaire à la maison) dessus c'était écrit "heatsink
    and fan required"<br>
    Or le machin consommait 3.2W avec un gros package céramique garantit
    85°c<br>
    cf <a class="moz-txt-link-freetext" href="http://datasheets.chipdb.org/AMD/486_5x86/19160D.pdf">http://datasheets.chipdb.org/AMD/486_5x86/19160D.pdf</a><br>
    Le Pi4 est annoncé comme pouvant consommer jusqu’à 10W, si on en
    garde 3 pour la mobal (et c'est cher payé) il en reste 7W pour le
    cpu soit largement de quoi faire cramer du silicium sans radiateur
    et ventilo !<br>
    <br>
    @+<br>
    Thibault.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">Le 19/07/2019 à 12:07, Emmanuel Veyre a
      écrit :<br>
    </div>
    <blockquote type="cite"
cite="mid:CAP=Q4KPUtuDQ3sfMrtbJay-ax1yavvLZ1f2+iYeKQJFuiL8m8w@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="auto">
        <div dir="auto">
          <div dir="auto">En revanche l'USB 3 fonctionne très bien.</div>
          <div dir="auto">J'ai mis un ssd M.2 en usb3 et j'ai atteint
            sans pb les 300mb/s lors des copies.</div>
          <div dir="auto"><br>
          </div>
          <div dir="auto"><br>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">Le ven. 19 juil. 2019 à
              12:59, Fred Janon <<a href="mailto:fjanon@gmail.com"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">fjanon@gmail.com</a>> a
              écrit :<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div dir="ltr">Shim ventilateur chez Pimoroni
                <div><br>
                </div>
                <div><a
                    href="https://shop.pimoroni.com/products/fan-shim"
                    rel="noreferrer noreferrer noreferrer"
                    target="_blank" moz-do-not-send="true">https://shop.pimoroni.com/products/fan-shim</a> </div>
                <div> <br>
                </div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">On Fri, Jul 19, 2019
                  at 8:42 AM Emmanuel Veyre <<a
                    href="mailto:crazymonster999@gmail.com"
                    rel="noreferrer noreferrer noreferrer"
                    target="_blank" moz-do-not-send="true">crazymonster999@gmail.com</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0px 0px
                  0px 0.8ex;border-left:1px solid
                  rgb(204,204,204);padding-left:1ex">
                  <div dir="auto">J'ai mis un petit radiateur habituel,
                    ça chauffe trop en pleine charge pour l'attente la
                    vitesse.
                    <div dir="auto">Après, c'est uniquement lors d'une
                      charge importante du cpu sur une durée
                      suffisante... Et en période de canicule :-D</div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto">Sinon, ça tourne dans les 50 ou 55"
                      en idle de mémoire</div>
                  </div>
                  <br>
                  <div class="gmail_quote">
                    <div dir="ltr" class="gmail_attr">Le ven. 19 juil.
                      2019 à 08:25, Fred Janon <<a
                        href="mailto:fjanon@gmail.com" rel="noreferrer
                        noreferrer noreferrer" target="_blank"
                        moz-do-not-send="true">fjanon@gmail.com</a>>
                      a écrit :<br>
                    </div>
                    <blockquote class="gmail_quote" style="margin:0px
                      0px 0px 0.8ex;border-left:1px solid
                      rgb(204,204,204);padding-left:1ex">
                      <div dir="ltr">Un radiateur ne suffit pas? J'en ai
                        commande un avec qui fait a peu pres 4cm x 3cm?
                        <div><br>
                        </div>
                      </div>
                      <br>
                      <div class="gmail_quote">
                        <div dir="ltr" class="gmail_attr">On Fri, Jul
                          19, 2019 at 8:21 AM Emmanuel Veyre <<a
                            href="mailto:crazymonster999@gmail.com"
                            rel="noreferrer noreferrer noreferrer
                            noreferrer" target="_blank"
                            moz-do-not-send="true">crazymonster999@gmail.com</a>>
                          wrote:<br>
                        </div>
                        <blockquote class="gmail_quote"
                          style="margin:0px 0px 0px
                          0.8ex;border-left:1px solid
                          rgb(204,204,204);padding-left:1ex">
                          <div dir="auto">Ouais, j'ai la version 4Gb.
                            <div dir="auto">En effet ça chauffe un peu,
                              et si le cpu dépasse les 80° il descend la
                              fréquence de 1500 à 1000mhz.</div>
                            <div dir="auto">J'attends la version
                              officielle du firmware qui doit permettre
                              de baisser un peu la température. Sinon,
                              ventilo oblig.</div>
                            <div dir="auto">Exit le PLA pour le
                              boîtier... Je vais tester du PETG pour
                              voir</div>
                          </div>
                          <br>
                          <div class="gmail_quote">
                            <div dir="ltr" class="gmail_attr">Le ven. 19
                              juil. 2019 à 00:12, François Revol <<a
                                href="mailto:revol@free.fr"
                                rel="noreferrer noreferrer noreferrer
                                noreferrer" target="_blank"
                                moz-do-not-send="true">revol@free.fr</a>>
                              a écrit :<br>
                            </div>
                            <blockquote class="gmail_quote"
                              style="margin:0px 0px 0px
                              0.8ex;border-left:1px solid
                              rgb(204,204,204);padding-left:1ex">Ben il
                              va en avoir besoin, d'un fan :<br>
                              <br>
                              <a
href="https://www.slashgear.com/raspberry-pi-4-will-probably-need-a-fan-no-matter-what-18584335/"
                                rel="noreferrer noreferrer noreferrer
                                noreferrer noreferrer noreferrer"
                                target="_blank" moz-do-not-send="true">https://www.slashgear.com/raspberry-pi-4-will-probably-need-a-fan-no-matter-what-18584335/</a><br>
                              <br>
                              François.<br>
_______________________________________________<br>
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        <br>
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">Le ven. 19 juil. 2019 à
            12:59, Fred Janon <<a href="mailto:fjanon@gmail.com"
              rel="noreferrer noreferrer" target="_blank"
              moz-do-not-send="true">fjanon@gmail.com</a>> a écrit :<br>
          </div>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">Shim ventilateur chez Pimoroni
              <div><br>
              </div>
              <div><a href="https://shop.pimoroni.com/products/fan-shim"
                  rel="noreferrer noreferrer noreferrer" target="_blank"
                  moz-do-not-send="true">https://shop.pimoroni.com/products/fan-shim</a> </div>
              <div> <br>
              </div>
            </div>
            <br>
            <div class="gmail_quote">
              <div dir="ltr" class="gmail_attr">On Fri, Jul 19, 2019 at
                8:42 AM Emmanuel Veyre <<a
                  href="mailto:crazymonster999@gmail.com"
                  rel="noreferrer noreferrer noreferrer" target="_blank"
                  moz-do-not-send="true">crazymonster999@gmail.com</a>>
                wrote:<br>
              </div>
              <blockquote class="gmail_quote" style="margin:0px 0px 0px
                0.8ex;border-left:1px solid
                rgb(204,204,204);padding-left:1ex">
                <div dir="auto">J'ai mis un petit radiateur habituel, ça
                  chauffe trop en pleine charge pour l'attente la
                  vitesse.
                  <div dir="auto">Après, c'est uniquement lors d'une
                    charge importante du cpu sur une durée suffisante...
                    Et en période de canicule :-D</div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">Sinon, ça tourne dans les 50 ou 55" en
                    idle de mémoire</div>
                </div>
                <br>
                <div class="gmail_quote">
                  <div dir="ltr" class="gmail_attr">Le ven. 19 juil.
                    2019 à 08:25, Fred Janon <<a
                      href="mailto:fjanon@gmail.com" rel="noreferrer
                      noreferrer noreferrer" target="_blank"
                      moz-do-not-send="true">fjanon@gmail.com</a>> a
                    écrit :<br>
                  </div>
                  <blockquote class="gmail_quote" style="margin:0px 0px
                    0px 0.8ex;border-left:1px solid
                    rgb(204,204,204);padding-left:1ex">
                    <div dir="ltr">Un radiateur ne suffit pas? J'en ai
                      commande un avec qui fait a peu pres 4cm x 3cm?
                      <div><br>
                      </div>
                    </div>
                    <br>
                    <div class="gmail_quote">
                      <div dir="ltr" class="gmail_attr">On Fri, Jul 19,
                        2019 at 8:21 AM Emmanuel Veyre <<a
                          href="mailto:crazymonster999@gmail.com"
                          rel="noreferrer noreferrer noreferrer
                          noreferrer" target="_blank"
                          moz-do-not-send="true">crazymonster999@gmail.com</a>>
                        wrote:<br>
                      </div>
                      <blockquote class="gmail_quote" style="margin:0px
                        0px 0px 0.8ex;border-left:1px solid
                        rgb(204,204,204);padding-left:1ex">
                        <div dir="auto">Ouais, j'ai la version 4Gb.
                          <div dir="auto">En effet ça chauffe un peu, et
                            si le cpu dépasse les 80° il descend la
                            fréquence de 1500 à 1000mhz.</div>
                          <div dir="auto">J'attends la version
                            officielle du firmware qui doit permettre de
                            baisser un peu la température. Sinon,
                            ventilo oblig.</div>
                          <div dir="auto">Exit le PLA pour le boîtier...
                            Je vais tester du PETG pour voir</div>
                        </div>
                        <br>
                        <div class="gmail_quote">
                          <div dir="ltr" class="gmail_attr">Le ven. 19
                            juil. 2019 à 00:12, François Revol <<a
                              href="mailto:revol@free.fr"
                              rel="noreferrer noreferrer noreferrer
                              noreferrer" target="_blank"
                              moz-do-not-send="true">revol@free.fr</a>>
                            a écrit :<br>
                          </div>
                          <blockquote class="gmail_quote"
                            style="margin:0px 0px 0px
                            0.8ex;border-left:1px solid
                            rgb(204,204,204);padding-left:1ex">Ben il va
                            en avoir besoin, d'un fan :<br>
                            <br>
                            <a
href="https://www.slashgear.com/raspberry-pi-4-will-probably-need-a-fan-no-matter-what-18584335/"
                              rel="noreferrer noreferrer noreferrer
                              noreferrer noreferrer noreferrer"
                              target="_blank" moz-do-not-send="true">https://www.slashgear.com/raspberry-pi-4-will-probably-need-a-fan-no-matter-what-18584335/</a><br>
                            <br>
                            François.<br>
_______________________________________________<br>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
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