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HP Support Pack 8.30 turns fans on full on DL380 G4

After installing HP Support Pack 8.30 on a DL380 G4 with Windows Server 2008 the fans is on full speed.

To resolve this try to do a CMOS reset by turning off the server and disconnect the power cables. Set jumper 6 on the system maintenance switch (right behind processor 2) to on mode. Start the server to enter maintenance mode. Turn off the server and disconnect the power cables. Set jumper 6 to off mode. Start the server.

system maintenance switch

If this doesn’t help try to disable cpqasm2 by editing HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cpqasm2\Start and set the value to 4.


  1. SOCC SUPPORT says:

    This helped after installing Windows Server 2008 R2 standard on our HP Proliant DL380 G4 and related HP agents. The maintenance switch did not help but the reg key change did!

  2. Andras says:

    Thanks so much, the registry fix worked for me on a DL380 G4 running Server 2008.

  3. Pb says:

    Howdy, Just used this fix on our G4 at a regional office – Worked like a charm. Nice one for sharing mate

  4. Rafal says:

    I have updated/patched/installed/uninstalled for about a day…at last it was so easy. You have save my ears, thank you !

  5. Ionut says:

    My problem is I am not running Windows on this machine. I’m running RedHat. Is there something I can do ?

  6. Xorain kahn says:

    Hi, I couldn’t find the regkey HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cpqasm2\Start . Do I need to install something for this? Please help, my ears are popping out. :(

  7. Xorain kahn says:

    Ok found it, but didn’t work for me. Fans are very louder. :(

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