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Safety shut off?

X

xbeemer

Limp Gawd
Joined
Oct 27, 2004
Messages
146
My Zallman external water cooler has an alarm if the water flow is interrupted, but it does not actually shut off the computer as, for example, the Koolance kits do. Is there a 3rd party solution for this available? Something that monitors the flow, or perhaps a temp sensor that shuts off the computer?
 
You should look for a setting for the maximum CPU temp in your BIOS. It defaults on most boards to 65-70C. Once it reaches that temp, the PC shuts down :)
 
Indignity said:
You should look for a setting for the maximum CPU temp in your BIOS. It defaults on most boards to 65-70C. Once it reaches that temp, the PC shuts down :)
Click to expand...

Does the entire PC shut down? At the power supply? Any way to safely test this?
 
Use speedfan. It can run commands when certain temperatures exceed certain thresholds...

Give it the, "%windir%\System32\shutdown.exe -s -f -t 00" command (no quotes) when it gets over 85c or something.
 
The Koolance card is for Koolance setups, so that doesn't work. Also I can't spare an extra card slot.

My Badaxe MB BIOS doesn't seem to have a temp reset setting. I can read temps, but there is nothing on the page that is settable as far as I can tell.

The SpeedFan should work, but it doesn't. I can get a beep and a pop up message, but it won't run shutdown.exe. I tried it both directly as given above, and in a .bat file. neither works. This is with XP 64.

Any suggestions, anyone? Surely all you water cool experts don't run without some kind of automatic shutoff in case the pump fails, do you?
 
Well, actually I hook my pump signal line (looks like a fan connector with 1 wire) up to my mainboard's CPU FAN connector. If the MB detects the CPU fan having 0 RPMS (the pump reports it's rpms), it shutsdown so the processor doesnt fry.
 
astyler said:
Well, actually I hook my pump signal line (looks like a fan connector with 1 wire) up to my mainboard's CPU FAN connector. If the MB detects the CPU fan having 0 RPMS (the pump reports it's rpms), it shutsdown so the processor doesnt fry.
Click to expand...

Yep I do the same. This along with the cpu temp check is essentially all you need.
 
OK, it looks like the reason SpeedFan won't run shutdown.exe is that SF is a 32 bit application and I'm running XP64. So shutdown.exe is a 64 bit app. There is a 32 bit version in XP 32, but it does nothing in XP 64. Also, putting it in a batch file does nothing, nor does putting it in a shortcut file, or even putting the .bat in a shortcut. All will work fine with a mouse click on the icon, but they won't work when called by a SpeedFan event.

Suggestions anyone?
 
The flow meter page was helpful, thanks. It turns out that most meters need something like SpeedFan to throw an event when the flow shuts down, so simply using the built in temp sensor in SpeedFan seems to be as good a solution and one less gizmo to hang from the water cooling plumbing. The problem of the built in speedfan.exe not working in a 64 bit system (SpeedFan is a 32 bit app) was solved by downloading a shutdown program that would work. There are several available. So problem solved.

My thanks to those of you who took the time to offer suggestions.
 
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