- Joined
- Aug 11, 2003
- Location
- Los Angeles, CA
Increasing Airflow to Lower Temps
I've overclocked my Athlon XP 2500+ (great overclocking processor by the way) to 2248 MHz. I've had to increase the Vcore, so it's running hotter than before. I currently have a Thermaltake Volcano 11 with the fan grill removed, controlling the fan speed manually. All case fans (2 intake in the front bottom, 1 exhaust blowhole in the top, 1 rear exhaust) are 80mm Vantec Stealth fans. The power supply has three fans. I also have a slot blower 2 slots under the video card. To decrease the CPU temperature, I want to put an intake fan on the left side of the case, ducted to blow on the CPU heatsink. I have a 120mm Stealth fan that I want to use, but it only blows 53 CFM at full power. The Smart Fan II that's on the heatsink now blows 20.5 CFM at its lowest speed and 75.7 CFM at the highest speed, which is where I've had it to keep the CPU at 50C under load. As in the link below, I will add another 80mm case exhaust fan to the rear.
Adding a case fan:
http://www.virtual-hideout.net/articles/pc60_exhaust_mods/index.shtml
My main reason for this mod is because I've noticed that airflow must really be bad in my case. With the side off, I can feel no air flow from front to back when I put my hand over the motherboard. Also, last night my room temp was about 76F and the processor was running at 49.7C. Today my room was somewhere around 86F and the CPU only increased to 50.5C. When I take the side off the case, temperatures drop a few degrees.
My questions are, then: What do you think of my idea for a duct? Will it work? Can I use only the 120mm Stealth fan on the large end of the duct to effectively cool the CPU, or will I have to run another fan on top of the heatsink, in addition to the Stealth?
EDIT: If you are viewing this thread for the first time, there are supposed to be pictures here. They probably will seldom appear. If you're interested in obtaining these pictures, e-mail me and I can host them elsewhere (and change all the [img ] tags to put them back in here).
Also, as with all old posts, ignore my sig in context with my posts; it describes a much newer system.
I've overclocked my Athlon XP 2500+ (great overclocking processor by the way) to 2248 MHz. I've had to increase the Vcore, so it's running hotter than before. I currently have a Thermaltake Volcano 11 with the fan grill removed, controlling the fan speed manually. All case fans (2 intake in the front bottom, 1 exhaust blowhole in the top, 1 rear exhaust) are 80mm Vantec Stealth fans. The power supply has three fans. I also have a slot blower 2 slots under the video card. To decrease the CPU temperature, I want to put an intake fan on the left side of the case, ducted to blow on the CPU heatsink. I have a 120mm Stealth fan that I want to use, but it only blows 53 CFM at full power. The Smart Fan II that's on the heatsink now blows 20.5 CFM at its lowest speed and 75.7 CFM at the highest speed, which is where I've had it to keep the CPU at 50C under load. As in the link below, I will add another 80mm case exhaust fan to the rear.
Adding a case fan:
http://www.virtual-hideout.net/articles/pc60_exhaust_mods/index.shtml
My main reason for this mod is because I've noticed that airflow must really be bad in my case. With the side off, I can feel no air flow from front to back when I put my hand over the motherboard. Also, last night my room temp was about 76F and the processor was running at 49.7C. Today my room was somewhere around 86F and the CPU only increased to 50.5C. When I take the side off the case, temperatures drop a few degrees.
My questions are, then: What do you think of my idea for a duct? Will it work? Can I use only the 120mm Stealth fan on the large end of the duct to effectively cool the CPU, or will I have to run another fan on top of the heatsink, in addition to the Stealth?
EDIT: If you are viewing this thread for the first time, there are supposed to be pictures here. They probably will seldom appear. If you're interested in obtaining these pictures, e-mail me and I can host them elsewhere (and change all the [img ] tags to put them back in here).
Also, as with all old posts, ignore my sig in context with my posts; it describes a much newer system.
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