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01-27-2011 05:21 PM
temps were taken from core temp software
original idle temp 106 F
original load temp 130-140 F
using stock 492314-001 heat sink on intel dv5-1132us
using copper shim and thermal grease with original heat sink
idle temp 103 F
load temp 130-140 F
using dv6 heat sink 512830-001 plus shims and thermal grease
idle temp 89-91 F
load temp 115-128 F (the 128 was maxing out both cores converting video for an hour)
notes the dv6 heat sink looks like cheap garbage next to the dv5 heat sink. The casting is rough, and so is the heat tube. the fan has fewer fins on it, but the fins are wider.
however.. if you take the fan out of the heat sink casing, the casing has an extra layer of cooling fins on the dv6 model.
i havnt tried it yet, but i suppect the dv5 fan itself may be slightly more effient when the laptop is not on a hard surface, just because the fins on the fan are raised from the bottom of the casing.
i ended up using an almost paper thin shim above the cpu, just because the copper pad on the heat sink was pretty rough compared to the dv5 one. I also used a thicker shim above the gpu to make up for my cpu shim and to have the heat sink actually touch the gpu.
the dv6 fan is slightly louder, could be also be because i used a old fan, not a new one.. I expect it will be much more difficult to blow out the heat sink on the dv6 version with a can of air, sence it has more fins inside the case. I actually cleaned it in the sink before i put it in, (very full of dust and crud).
my quest continues...
01-27-2011 06:59 PM
i have also noticed the broadcom wifi card in the dv5-1132us was getting very hot, and being placed under the hard drive, was making the hard drive over heat.
I replaced the broadcom unit with an intel 5100. hard drive temps are back to normal.