The Friendly Manual will tell you if there is a BIOS setting to control the fan based on CPU temp. You can also try to find it in the BIOS if you don't want to RTFM.Originally posted by: dhkkim
i have ecs rs400
Originally posted by: dhkkim
i bought d640 and stock fan is driving me crazy.
its so loud that i cant even work.
too bad my old zalman only fits in 475 socket. 🙁 🙁