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scott wrote:
>> We rebooted the laptop, and as soon as the BIOS screen showed up, the
>> fans started spinning like mad. We waited for them to slow down.
>
> What software was running then while you were waiting?
The BIOS configuration interface.
> I notice when I boot up my Vista box, that every fan runs at full blast
> until some point during Vista boot, whereby first the CPU fan virtually
> turns off, then a few seconds after the desktop appears the GPU fan
> virtually turns off, all I can hear then is just occasional blips of
> hard drive head movement - until I fire up a 3D game, then all hell
> breaks loose again :-)
Interesting. All the fans in my PC just run constantly anyway. The four
harddrives are just about inaudible.
(I can't believe I have four harddrives...)
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>> What software was running then while you were waiting?
>
> The BIOS configuration interface.
So your conclusion is that the BIOS software controls the fan speed, but for
some reason SUSE manages to disable this fan speed control function of the
BIOS? Or that Windows has its own fan speed control software?
>> I notice when I boot up my Vista box, that every fan runs at full blast
>> until some point during Vista boot, whereby first the CPU fan virtually
>> turns off, then a few seconds after the desktop appears the GPU fan
>> virtually turns off, all I can hear then is just occasional blips of hard
>> drive head movement - until I fire up a 3D game, then all hell breaks
>> loose again :-)
>
> Interesting. All the fans in my PC just run constantly anyway.
There should be an option in the BIOS to control the CPU fan speed based on
temperature, it can be disguised under a number of weird names (I think mine
is "AI Fan Control" or something stupid like that).
As for the GPU fan (which is far louder on my machine than the CPU fan), it
seems this is built into the OS/driver. Actually I don't remember XP ever
reducing the speed, so maybe it's something new for Vista?
> The four harddrives are just about inaudible.
So are mine when the GPU fan is on!
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scott wrote:
>>> What software was running then while you were waiting?
>>
>> The BIOS configuration interface.
>
> So your conclusion is that the BIOS software controls the fan speed, but
> for some reason SUSE manages to disable this fan speed control function
> of the BIOS? Or that Windows has its own fan speed control software?
My conclusion is that Windows (and SUSE when it's finished installing)
controls the fan speed, but the SUSE installation program doesn't.
>> Interesting. All the fans in my PC just run constantly anyway.
>
> There should be an option in the BIOS to control the CPU fan speed based
> on temperature, it can be disguised under a number of weird names (I
> think mine is "AI Fan Control" or something stupid like that).
Possibly I need to install AMD's Cool'n'Quiet driver or something, IDK.
(The idea of a "processor driver" is highly amusing to me. Of course,
it's not actually a driver for the *processor* at all. It's a driver for
some of the processor's special features, like frequency scaling, fan
speeds, power management, etc.)
> As for the GPU fan (which is far louder on my machine than the CPU fan),
> it seems this is built into the OS/driver. Actually I don't remember XP
> ever reducing the speed, so maybe it's something new for Vista?
I don't know. But if I ever get the cash for a more powerful 3D card,
presumably it'll be far louder. ;-)
>> The four harddrives are just about inaudible.
>
> So are mine when the GPU fan is on!
I'm just glad there's an indicator light on the front! Unfortunately,
only one, not one for each HD.
It's a pitty nobody has ever had the forethought to put a network
activity indicator on the front of the case. (Dell came close - their
OptiPlex cases have a link light.)
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Invisible wrote:
> OK, so here's a question...
>
> My sister has an Acer Aspire 5000 laptop. It used to work just fine, but
> recently it has developed some disturbing symptoms - basically random
> freezing.
>
I have an aspire 5100 that did the same thing for about the 1st year
that I had it. I tried all sorts of things, but no change. It would
freeze with a weird pattern on the screen and nothing would bring it
back. I forget if the power button worked or if I had to pull the
battery to get it to turn off. It was very annoying as whatever I would
be working on would be lost.
I tried reinstalling windows, upgrading drivers, the works, no luck.
I gave up on trying to fix it and just saved frequently.
Now it works flawlessly - I don't know what fixed it, and I don't know
what was wrong, but it doesn't lock up anymore at all. I can't remember
the last time it froze.
My guess was the wireless drivers, but I have nothing to substantiate
it. Try using it with the wireless turned off and see if that changes
anything.
Tom
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Invisible wrote:
> On the other hand, I was *also* under the impression that the cooling
> fan is hardware-controlled. But it turns out to be software-controled. (!!)
Well, keeping it at the selected speed is hardware. Selecting what speed to
keep it at is software. But I know what you mean.
> No matter how hot the laptop got, no fans.
Most BIOSen I've seen have a flag that says whether you want the OS or the
BIOS to control the speed.
--
Darren New, San Diego CA, USA (PST)
Why is there a chainsaw in DOOM?
There aren't any trees on Mars.
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scott wrote:
> I notice when I boot up my Vista box, that every fan runs at full blast
> until some point during Vista boot,
Most times the BIOS (or whatever firmware is on the gfx card) will set the
fans to full speed on reset, just for safety.
> all I can hear then is just occasional blips of
> hard drive head movement
What confuses me is I can turn on a hard drive that has no activity on it,
and it'll sit there making little chuckling noises, seeking around and such.
Like, even a USB drive not plugged into a USB cable will click and seek and
such. I'm assuming the firmware is testing the drive or something, looking
for sectors to spare out, but it' kind of weird.
At least if you let Vista sit for a couple hours, all the background crap
finishes up and the drive stops working.
--
Darren New, San Diego CA, USA (PST)
Why is there a chainsaw in DOOM?
There aren't any trees on Mars.
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Darren New wrote:
> Invisible wrote:
>> On the other hand, I was *also* under the impression that the cooling
>> fan is hardware-controlled. But it turns out to be software-controled.
>> (!!)
>
> Well, keeping it at the selected speed is hardware. Selecting what speed
> to keep it at is software. But I know what you mean.
>
>> No matter how hot the laptop got, no fans.
>
> Most BIOSen I've seen have a flag that says whether you want the OS or
> the BIOS to control the speed.
I guess I just *assumed* that a safety-critical feature like "don't burn
down my house" would be hard-wired into the device. You know, like how
your boiler turns off when the house is warm, without needing any
software. Apparently not...
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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Tom Austin wrote:
> I have an aspire 5100 that did the same thing for about the 1st year
> that I had it.
Oh... good. o_O
Nice to know it's well-designed then. :-/
Seriously, I bought my sister a new laptop because hers was lame. This
new one is really failing to impress me.
> Now it works flawlessly - I don't know what fixed it, and I don't know
> what was wrong, but it doesn't lock up anymore at all. I can't remember
> the last time it froze.
>
>
> My guess was the wireless drivers, but I have nothing to substantiate
> it. Try using it with the wireless turned off and see if that changes
> anything.
Well, initially I didn't even *install* the wireless drivers. (I
couldn't, because I didn't have them to hand.) Made no difference. Ditto
for sound and video.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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Orchid XP v8 wrote:
> I guess I just *assumed* that a safety-critical feature like "don't burn
> down my house" would be hard-wired into the device.
I don't think CPU temperature is safety critical. The CPU basically burns
out before the heat gets high enough to set anything outside the case on fire.
--
Darren New, San Diego CA, USA (PST)
Why is there a chainsaw in DOOM?
There aren't any trees on Mars.
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>> I guess I just *assumed* that a safety-critical feature like "don't
>> burn down my house" would be hard-wired into the device.
>
> I don't think CPU temperature is safety critical. The CPU basically
> burns out before the heat gets high enough to set anything outside the
> case on fire.
Well, perhaps. But CPU temperature is *utterly* critical to being able
to continue using your laptop. If it gets hot enough, the CPU will burn
out, and then your laptop is a very expensive paper weight. (!)
I'd be... kind of "upset" if that happened to me. o_O
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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