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Old 14 August 2018, 02:02   #1
Jeff_HxC2001
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Amiga 500 & 600 thermal footprint.

I have borrowed a Flir infrared camera so i made some pictures :








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Old 14 August 2018, 05:38   #2
d4rk3lf
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Old 14 August 2018, 14:50   #3
Mikerochip
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So, does this mean we should have some kinds of cooling? Are those chips ok to run at those temperatures??

I often wondered if there should be some kind of cooling on a stock Amiga. Jeff, do you have any other Amigas?

These are really cool
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Old 14 August 2018, 15:40   #4
KONEY
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Nice! Do you have them bigger?
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Old 14 August 2018, 15:40   #5
E-Penguin
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49c should be OK for electronics. Heat is the enemy of longevity though so perhaps it's not a bad idea to put on a few small chip heatsinks
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Old 14 August 2018, 16:09   #6
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Old 14 August 2018, 16:50   #7
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Without a fan or some other active cooling, how much does a small heat sink really help?
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Old 14 August 2018, 17:33   #8
Hewitson
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Quote:
Originally Posted by Leffmann View Post
Without a fan or some other active cooling, how much does a small heat sink really help?
A fair bit I believe. Before the Pentium came along x86 CPU's only used a heatsink (no fan).
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Old 14 August 2018, 17:35   #9
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It increases the surface area of the hot object so yes it will make a difference. Active cooling will obviously make more difference.

I've got little heatsinks on my A500 chipset and it does keep the chips cooler to the touch. I can't qualify exactly how much the difference is. I will happily accept a thermal imaging camera should you wish to donate one for testing purposes
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Old 14 August 2018, 18:51   #10
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The die will be hotter than the surface temperature of the chip due to the plastic not being a particularly good thermal conductor. Interestingly, the shielding on the 128 doubled as a heat sink (visible 2 minutes into the video): [ Show youtube player ]
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