8 hard drives would do it! Convection ain't enough when 8 mechanical heaters are running. Actually, as I wrote my response, I wondered if driven circulation would be needed in some cases. You answered that question. If you mounted the mother boards on the wall with no case around them, as Bob suggested, would a ceiling fan in the room provide enough circulation? Just a random wondering thought... Alan At 04:38 PM 4/23/2001 -0700, you wrote: >I have definatly found that if I leave the case off my machine at home it >will eventually overheat. >I guess 2 processors, 8 hard drives and a voodoo 3500 all build up quite a >bit of heat and with the sides open the heat will tend to just stick around >in the case for a while, but with the sides on the 4 fans that I have in it >can turn it into a wind tunnel and get the heat out of it. > >My guess is that if all you have for fans in your case is the CPU fan and >the power supply fan, you are better off with the lid off your case, but if >you have some extra push/pull fans in your case, you should put the lid back >on so they can do their job. > >Brian Cluff > > > >________________________________________________ >See http://PLUG.phoenix.az.us/navigator-mail.shtml if your mail doesn't post to the list quickly and you use Netscape to write mail. > >PLUG-discuss mailing list - PLUG-discuss@lists.PLUG.phoenix.az.us >http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > > /------------------------------------------ |Alan Dayley www.adtron.com |Software Engineer 602-735-0300 x331 |ADayley@adtron.com | |Adtron Corporation |3710 E. University Drive, Suite 5 |Phoenix, AZ 85034 \-------------------------------------------