Στις Monday 21 July 2008 15:41:01 ο/η DA Forsyth έγραψε: > From: Achilleas Mantzios <[EMAIL PROTECTED]> > > > Hi, i have had various crashes and segfaults in the last hot days > > (room temp about 30 deg C). I tried to monitor CPU temp with mbmon, > > which shows a very big value in COU temperature: > > > I also opened the case in order to get ventilated with fresh air from > > the room. > > Actually, that doesn't work, your components will get hotter. This > is because the case provides a through flow environment where air is > forced to flow over most of the components most of the time. By > opening the case you remove the force, and now have to rely on > convection. > > What you want to do is make sure all the fans are running freely. > Especially the processor fan. It may have stopped silently an dthat > would definitely cause crashes. > > A fan at the front of the case blowing IN is more effective than one > on the back blowing out, so if there isn't one on the front, add one. > The 80 to 120mm ones can be very quiet and some can control their own > speed if your motherboard cannot do it. If one can blow in the front > and directly on the harddrives then that is a bonus, cool harddrives > last longer. > > The basic idea of a case is to have air coming in the front and > exiting at the rear. So make sure all your fans are blowing in the > right direction. > > My office goes to 38C in summer, and all 5 computers just keep on > going, using the principles above. I fitted a fan to the UPS as well > (-: > > My box has 3 fans, one on the case blowing from outside=>inside, one in the power supply and one on the CPU.
In the evening, i will have the case/board inside blown/cleaned with air, i am gonna close the case, and i am gonna tune BIOS to fail-safe settings. Apart from that, i would like to have a reliable tool to monitor temperature. Is there anything in mind? > > > -- > DA Fo rsyth Network Supervisor > Principal Technical Officer -- Institute for Water Research > http://www.ru.ac.za/institutes/iwr/ > > > -- Achilleas Mantzios _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"