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Which Is The Chassis Fan?
P4C 800 E Deluxe board and PC Probe with a graph for the chassis fan;
which fan would that be? My other question is: I'm using an Antec True Power 430 watt supply and it has a connector labeled "PSU Fan Monitor Connector"- where would I connect that on the board? Right now I have it connected to the Power Fan connector on the motherboard next to the CPU and probe appears to be monitoring the rotation of the Power Fan. Thanks... |
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On Sat, 17 Sep 2005 11:49:48 GMT, jayson
wrote: P4C 800 E Deluxe board and PC Probe with a graph for the chassis fan; which fan would that be? My other question is: I'm using an Antec True Power 430 watt supply and it has a connector labeled "PSU Fan Monitor Connector"- where would I connect that on the board? Right now I have it connected to the Power Fan connector on the motherboard next to the CPU and probe appears to be monitoring the rotation of the Power Fan. Thanks... ....found the answer to the PSU Fan Monitor Connector question on the Thermaltake site... |
#3
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In article , jayson
wrote: P4C 800 E Deluxe board and PC Probe with a graph for the chassis fan; which fan would that be? My other question is: I'm using an Antec True Power 430 watt supply and it has a connector labeled "PSU Fan Monitor Connector"- where would I connect that on the board? Right now I have it connected to the Power Fan connector on the motherboard next to the CPU and probe appears to be monitoring the rotation of the Power Fan. Thanks... You've got CPU_FAN, PWR_FAN, and CHA_FAN three pin headers. If CHA_FAN is not connected to a fan, or the Chassis fan you are using does not have three wires (third wire carries RPM signal), then don't expect the CHA_FAN to register in any software interface. Asus fan monitors have a minimum RPM value - if the number of RPMs is below a certain magic value, the fan will read out "0" instead. CPU_FAN = CPU fan header PWR_FAN = Power supply fan connector (three pin connector, two wires) CHA_FAN = Chassis fan connector (fan with three wires, to register) Paul |
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#5
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In article , jayson
wrote: Thanks...I wasn't sure if the front fan or the rear fan(s) were considered the "chassis" fan. The case fan connectors are four pin on my case so unless I get new fans, can't be connected to the motherboard. Right now I'm concerned about cooling the case and was curious if the "chassis" fan would spin faster if it was connected to the motherboard due to its rotation being regulated based on heat build-up in the case. It's been pretty warm here so I've left the door off the case until the temperature drops. With only one "Chassis" fan header on the motherboard, you can only monitor one of the several fans used on your computer case. For more monitoring than that, you'd need to purchase a third party fan control/monitor device. A fan with a 4 pin molex disk drive power connector, only connects two wires to the connector as a rule (+12V, GND). Connecting the fan directly to the power supply, gives it the rated 12V to spin the fan, and you cannot do better than that (safely at least). If you connect to a Q-fan equipped fan header, the voltage will be less than 12V. An Asus fan header will not make the fan spin faster. If you have a local electronics store, sometimes they have some dandy fans. I got a 120mm aluminum body brushless DC fan, with a pretty high CFM rating. I have it on a voltage reducer, to keep the noise down, but if I need cooling, it is a beast. Cooling requires both a good fan, but it also requires vent area on the case. For example, if you use a 120mm fan on the back of your case, you need a hell of a lot of holes all over the chassis, so as to not restrict the air flow. You can tell when there is insufficient vent area, if you open the side on your computer case, and the exhaust fan speed changes. The change in speed, tells you that the resistance to flow has changed, due to the side being off the computer. (A lot like putting your hand over the nozzle on a vacuum cleaner, and the motor spins faster.) I got that speed change thing on my case, and removed half the plastic pieces on the front of the case, to get more air flow. I also removed the filter assembly on the front of the case. You could try that, before shopping for a higher CFM fan. Paul |
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Is there a way to control the chassis fan if it is powered by a 4 pin molex
ps connector? The one I currently have for the blow hole is set up to be powered that way and has a three pin connector with just one wire to connect to the mother board to monitor the speed. Or should I just change the fan to a three pin type and control it with a third party controller? Randy "Paul" wrote in message ... In article , jayson wrote: Thanks...I wasn't sure if the front fan or the rear fan(s) were considered the "chassis" fan. The case fan connectors are four pin on my case so unless I get new fans, can't be connected to the motherboard. Right now I'm concerned about cooling the case and was curious if the "chassis" fan would spin faster if it was connected to the motherboard due to its rotation being regulated based on heat build-up in the case. It's been pretty warm here so I've left the door off the case until the temperature drops. With only one "Chassis" fan header on the motherboard, you can only monitor one of the several fans used on your computer case. For more monitoring than that, you'd need to purchase a third party fan control/monitor device. A fan with a 4 pin molex disk drive power connector, only connects two wires to the connector as a rule (+12V, GND). Connecting the fan directly to the power supply, gives it the rated 12V to spin the fan, and you cannot do better than that (safely at least). If you connect to a Q-fan equipped fan header, the voltage will be less than 12V. An Asus fan header will not make the fan spin faster. If you have a local electronics store, sometimes they have some dandy fans. I got a 120mm aluminum body brushless DC fan, with a pretty high CFM rating. I have it on a voltage reducer, to keep the noise down, but if I need cooling, it is a beast. Cooling requires both a good fan, but it also requires vent area on the case. For example, if you use a 120mm fan on the back of your case, you need a hell of a lot of holes all over the chassis, so as to not restrict the air flow. You can tell when there is insufficient vent area, if you open the side on your computer case, and the exhaust fan speed changes. The change in speed, tells you that the resistance to flow has changed, due to the side being off the computer. (A lot like putting your hand over the nozzle on a vacuum cleaner, and the motor spins faster.) I got that speed change thing on my case, and removed half the plastic pieces on the front of the case, to get more air flow. I also removed the filter assembly on the front of the case. You could try that, before shopping for a higher CFM fan. Paul |
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