What happened to my BH7?

[raskren]

Hi all. I have an Abit BH7 and I just installed an Aquarius II watercooling setup. CPU temps have dropped at least 15 degrees C under load. The BH7 mobo is notorious for having wildly swinging temps but I think part of my system is truly overheating. Within Winbond Hardware Doctor the temp reading marked as "Other" gets higher than the CPU. In fact, while running Sandra it has approached 65C. Once the temp gets that high the system usually shuts down. This never happened with air cooling.

What could this possibly be? Did I forget to hook something back up? What on earth is this sensor reading?

As I write this my CPU temp is 44 @ 1.74v and "Other" is 42 degrees celsius.

 

[OneProdigy]

The temp read out as "Other" is the temp of the capacitors and mosfets around your cpu socket!
While you were air cooling there was still enough airflow to keep them cool, but with watercooling they heat up of course!

I'm using watercooling too and my temp went up till about 95°C while running prime, however it didn't crash like yours...

I put a 92mm fan in... blowing right onto the capacitors - from that time on my "Other" temp maxed out at about 45°C.

 

[raskren]

I see. That makes perfect sense. So how hot can these things actually get without damage?

How did you go about mounting the fan above the caps? I'm looking at my case right now and I can't see any practical way of doing this.

 

[OneProdigy]

So how hot can these things actually get without damage?

Hmm...winbond hardware doctor showed 95°C when i stopped Prime to find out where the heat comes from. (that was at 200 mhz fsb)
I really didn't want to find out how much more heat it can bear!

How did you go about mounting the fan above the caps? I'm looking at my case right now and I can't see any practical way of doing this.

I used a cable tie to clamp it to the back wall of my case.

 

[raskren]

Success

Prodigy,

Thanks for the tip. It worked. I replaced the fan that was on the radiator with a Tt smart case fan and put the stock fan over the caps. I also zip tied it to the back of the case...its looks as if it is hovering in midair, but it works.

On run 53 of the Sandra cpu arithmetic burn in the "Other" temp is stable at 49.9C.

Thanks again!

-Richard

p.s. The more powerful fan over the radiator helps this kit tremendously.

 

[OneProdigy]

np, glad i could help!

 

[floben]

Does it do any harm to have the "other" temp. very high?

 

[OneProdigy]

The cooler the better!

Actually i don't think it's a good idea to overclock the BH7 for a longer period of time without a cooling fan for the capacitors...