No Fan Control After install Etch

I installed Etch (used release candidate 1)on my old laptop (Compaq Armada 1750). It works well except for one thing. The fan does not come on and the PC will overheat. This causes the OS to shutdown the PC as it senses that the temperature is critical. You will be working away and it is just like you told it to shut down. It goes through a shutdown and power off. If you restart the PC right away the Bios will turn on the fan before it starts to but. After that the fan will run continuously and will continue to run until you either shutdown or re-boot. My work around at the moment is to boot up, work for a while to get it heated up and then reboot. This starts the fan and I can work without worry of it overheating. However this is clearly not an ideal situation.

Does anyone have any ideas if there is something I can do to control the fan. ACPI support was added automatically during installation and ACPI is enabled in the bios.

Thanks

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Try 'APM'

Yes it's old, but most BIOS will implement more APM than ACPI calls. In fact older hardware is likely to have a very bad ACPI implementation - even new hardware that I get needs APM activated or the machine does not power down properly.

Try 'APM'

Do I need to do something with the ACPI stuff to disable or remove it or do I just install APM?

Thanks

rename acpi drivers

I think on my brand new computer I removed the acpi drivers; you shouldn't do this unless they interfere with the APM. First, just try to load the APM drivers as well and see what happens - if everything works then you just need to make sure the APM drivers load on boot by putting the module name in the /etc/modules file (without the .so or .ko suffix). If that doesn't work, then unload the ACPI drivers, rename the drivers (so they won't load on next boot), and load APM again - if everything works well this way then remove the ACPI drivers.

They're correct.

Use a setup boot CD http://geocities.com/sdoboze or use the setup partition (Alt+F10 on boot) if it exists, to run Bios setup and turn off ACPI Enable. I also change the Infrared port to use Configuration 1. Fn+F11 on startup a couple of times, resets the CMOS.

-s2

They're correct

I am also have windows installed on this PC. If I change the BIOS settings will that screw up windows?

WinDos and ACPI

Deactivating ACPI shouldn't do any harm to WinDos; it should continue to use APM just as Linux would.

Almost...

"I installed Etch (used release candidate 1)on my old laptop (Compaq Armada 1750). It works well except for one thing. The fan does not come on and the PC will overheat."

Man, I had to laugh. My wife has the same laptop and I've been toying with it, mostly because the 3com connection keeps dropping out on the XJack card intermittently in 2K. We bought it about a year ago, with all the trimmings (no floppy, one battery), at the local trade show in berlin. I've since upgraded it to a P3-500, 320 megs, and a 40 gig hard drive. Excellent sound for a lappy.

Anyway, pinniped is essentially correct, however; I would like to bend his details a little. Your Windows (WinDos) installation, if it's 2K or XP, invalidates this laptop to work with APM. The info is in the biosinfo.inf. I thought maybe it's possible when Microsoft tested APM on this laptop, at the machine's old bios, it didn't work properly. The most recent bios is 11/30/99.

A default install of 2k or XP configures as ACPI (not uniprocessor or multiprocessor, no extended interrupt support). All PCI IRQ's are shared as IRQ 11. It's possible to switch back to APM, by changing the Computer to Standard PC (or selecting F5 at Setup when F6 Prompt) and then changing the following

http://http://www.microsoft.com/whdc/archive/apm.mspx registry entries.

HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Control\ BiosInfo\ APM Set to 1 (autoenable)
HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Sevices\ ACPI
Set Start to 4 (disable)

Then check APM in the Power management settings in the Control Panel. May have to 'add new hardware' NT APM/Legacy Interface Node device also (can't remember the sequence).

However, and this may come as no suprise, the FAN ALSO does not work properly when running W2K or XP in this APM mode. Fan only seems to work properly when letting Win run in ACPI mode. Otherwise, in APM mode, the power supply in the back, gets too hot to keep a finger on.

Almost.......

Haha same problem/model with an old work lappy running ubuntu/windos the guys thought it had been dropped too many times lol, I knew it was ACPI but we didn't use it enough to warrant spending too much time on it, just used the above work around then left it on.

Are we just a blip in history, where the working class had too much access to information and freedom?

Re: fan

... as a followup to the FAN also does not work when the BIOS and W2K/XP are configured to match *nix settings:

Noticed with bios ACPI Enabled, running W2K/XP, with the 256MB memory upgrade chip (must be 16-chip compatible, 100mhz exactly, not 66 or 133), the memory upgrade chip got hot enough with the rest of the unit, residual heat is not being exhausted, to cause stability problems.

Have the laptop on an acrylic clear stand which has 3 fans blowing cool air up, keeps it temperature-stable to run continuously. Bought an additional fan and will attempt to modify the inside, while we wait for a new laptop!

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