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Not sure where temperature sensors go
Hi folks,
I'm installing a Sunbeam brand front panel card reader in a friend's computer, It's a card reader, a fan controller, has ports for USB, firewire, audio and has an LCD screen that shows temperature and fan speed. It's a gizmo that caught his eye and he wanted it so now I'm the guy he's asked to install it. I'm trying to figure out what to do with the two temperature sensors. I'm assuming they are both just to measure the temperature inside the case because I'm not sure how they would be placed to give an accurate CPU temperature reading. Maybe in the heatsink fins or is that not a reasonable place to put a sensor? If I did that, what would a normal temperature be in the heatsink fins? And where would you place the other sensor where it would most accurately gauge the ambient temperature inside the case? The sensors just look like small wires at the end of a flat cable. They're thin, but not paper thin. Any ideas on where to place these would be appreciated. Thanks, Bob Kruse |
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Not sure where temperature sensors go
"Bob Kruse" wrote in message ... Hi folks, I'm installing a Sunbeam brand front panel card reader in a friend's computer, It's a card reader, a fan controller, has ports for USB, firewire, audio and has an LCD screen that shows temperature and fan speed. It's a gizmo that caught his eye and he wanted it so now I'm the guy he's asked to install it. I'm trying to figure out what to do with the two temperature sensors. I'm assuming they are both just to measure the temperature inside the case because I'm not sure how they would be placed to give an accurate CPU temperature reading. Maybe in the heatsink fins or is that not a reasonable place to put a sensor? If I did that, what would a normal temperature be in the heatsink fins? And where would you place the other sensor where it would most accurately gauge the ambient temperature inside the case? The sensors just look like small wires at the end of a flat cable. They're thin, but not paper thin. Heat rises. I'd put one as near the base of the CPU heatsink as possible. I'd put the other one in the top of the case, a couple of inches away from the power supply. -Dave |
#3
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Not sure where temperature sensors go
The case I just got had two sensors and a front-panel display for them,
labeled "CPU" and "HD". I taped the CPU lead to the underside of the HS, as close as I could to the disk where the CPU and HS contact (without interfering with the CPU/HS connection). The MB has a CPU temperature utility, and the two agree "close enough" for me. I think the front-panel temperature doesn't change as fast as the CPU temperature, but what the heck. The other one I put on a hard drive, between the two drives. I figure that's the "worst case" temperature for the drives. As far as a case temperature, I'd probably put it in the exhaust flow somewhere. Either around the grill of the PSU, or another case exhaust fan. Clint "Bob Kruse" wrote in message ... Hi folks, I'm installing a Sunbeam brand front panel card reader in a friend's computer, It's a card reader, a fan controller, has ports for USB, firewire, audio and has an LCD screen that shows temperature and fan speed. It's a gizmo that caught his eye and he wanted it so now I'm the guy he's asked to install it. I'm trying to figure out what to do with the two temperature sensors. I'm assuming they are both just to measure the temperature inside the case because I'm not sure how they would be placed to give an accurate CPU temperature reading. Maybe in the heatsink fins or is that not a reasonable place to put a sensor? If I did that, what would a normal temperature be in the heatsink fins? And where would you place the other sensor where it would most accurately gauge the ambient temperature inside the case? The sensors just look like small wires at the end of a flat cable. They're thin, but not paper thin. Any ideas on where to place these would be appreciated. Thanks, Bob Kruse |
#4
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Not sure where temperature sensors go
"Clint" writes:
The case I just got had two sensors and a front-panel display for them, labeled "CPU" and "HD". I taped the CPU lead to the underside of the HS, as close as I could to the disk where the CPU and HS contact (without interfering with the CPU/HS connection). The MB has a CPU temperature utility, and the two agree "close enough" for me. I think the front-panel temperature doesn't change as fast as the CPU temperature, but what the heck. The other one I put on a hard drive, between the two drives. I figure that's the "worst case" temperature for the drives. I tend to think "good thermal contact" first. So I'd probably try to bond that to the thickest part of the aluminum case of the top drive. I'm expecting that would give a better idea of what the actual internal temperature of the drive would be. But contact with the metal of your computer case acts as a large part of the heat sink to drain heat away from drives. (This explains why people who mount their drives on rubber standoffs, to cut down noise, see a substantial increase in drive temperature) But the thickest part of the aluminum case of the drive is probably as good as you can get. As far as a case temperature, I'd probably put it in the exhaust flow somewhere. Either around the grill of the PSU, or another case exhaust fan. That would give "ambient" but this could easily be 10-20 C cooler than being in contact with the aluminum heat sink of the part producing the heat. As temps go up and fan whine drives me even further up, I'm really thinking about slicing up some sheets of Celotex (tm) to make a baffle around the outside of the case to deaden sound, and then adding a couple of extra (as quiet as I can get) fans to suck hot air out of the thermal and sound insulating barrier of Celotex. Clint "Bob Kruse" wrote in message .. . Hi folks, I'm installing a Sunbeam brand front panel card reader in a friend's computer, It's a card reader, a fan controller, has ports for USB, firewire, audio and has an LCD screen that shows temperature and fan speed. It's a gizmo that caught his eye and he wanted it so now I'm the guy he's asked to install it. I'm trying to figure out what to do with the two temperature sensors. I'm assuming they are both just to measure the temperature inside the case because I'm not sure how they would be placed to give an accurate CPU temperature reading. Maybe in the heatsink fins or is that not a reasonable place to put a sensor? If I did that, what would a normal temperature be in the heatsink fins? And where would you place the other sensor where it would most accurately gauge the ambient temperature inside the case? The sensors just look like small wires at the end of a flat cable. They're thin, but not paper thin. Any ideas on where to place these would be appreciated. Thanks, Bob Kruse |
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