Biosat CPU Overheat

[Xsorovan]

So the unknown Mobo I mentioned in a previous post is a Biostar M7NCG Pro. Any advice on their CPU Overheat protection? It doesn't seem to want to turn off.

 

[mechBgon]

I'll give you a tip: it's bad form to cross-post the same question in more than one section of the Forums unless your first thread hasn't gotten any action for a day or so.

Gimme a few minutes and I'll look into the Biostar's manual. But my advice still stands: those circuits usually trip for a reason, so go make sure you didn't get your heatsink backwards or forget your thermal compound.

 

[Xsorovan]

Thanks... but it's not so much cross-threading as me just being stupid. =) I already checked the biostar docs and I'm not getting anything. A Google of the problem doesn't bring up anything either.

The thing that boters me is that the light comes on even when the CPU is on for the first time in a day.

 

[mechBgon]

Hmmkay, they don't have any provision for disabling the CPU-overheat circuit, which doesn't surprise me much. One thing you might do is to make sure that an RPM-sensing fan is plugged into the JCFAN1 fan header, because some mobos will freak out if you don't have an RPM signal on that header. Hope that helps, otherwise you may need to RMA it.

 

[mechBgon]

Originally posted by: Xsorovan
Thanks... but it's not so much cross-threading as me just being stupid. =) I already checked the biostar docs and I'm not getting anything. A Google of the problem doesn't bring up anything either.

The thing that boters me is that the light comes on even when the CPU is on for the first time in a day.

Maybe it didn't sink in: it takes the CPU about 1-2 seconds to hit overheat if it can't transfer the heat to the heatsink for some reason. How long it was turned off doesn't really enter into the picture.

 

[Xsorovan]

Hmmm, yes. The whole system worked at one time, and I assume (I'm tech supporting this machine) it got hot and the circuit cut. Now I get nothing. Thanks for the help!

 

[mechBgon]

Sounds like a difficult one to diagnose from afar, all right Could the person at the other end confirm that the heatsink is, in fact, still in place? Maybe the lug on the socket broke and the heatsink fell off? Just a crazy guess...

 

[jhurst]

Yes, if the heatsink isn't firmly held down by the brackets, the CPU will heat up VERY fast. One of my brackets broke one day and the HS was just sitting on the CPU kinda held there by the paste, but it was still overheating. Couldn't do much with the broken bracket, replaced the MB