Heatsink with integrated fan

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mikro
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Heatsink with integrated fan

Post by mikro » Sun Aug 05, 2018 10:29 pm

Hi guys,

have you ever seen a heatsink like this one: https://www.ebay.com/itm/Aluminum-Heats ... 3371063969 but smaller (say 40x40mm, ideally less). There's like a million of fans and coolers all over the net but I'm failing to identify the right word when it comes to heatsinks like this one.

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DrF
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Re: Heatsink with integrated fan

Post by DrF » Sun Aug 05, 2018 10:44 pm

Those style of fans were popular on video cards and motherboard chipsets. I just used to look for "heatsink integrated fan" , "chipset cooler" , "gpu heatsink" , "northbridge cooler" I'm not sure on their proper technical name.

On the motherboard they were smaller than the video cards, not sure on the sizes, I just remember having to repair a lot of them in the early to mid 2000's. There not really that good. Fan would fail could never get the right fan would mostly just screw or cable tie a generic fan on top of the heatsink. Zalman, Thermaltake, Swift, Coolermaster were the common brands.

Here's a 40mm x 40mm x 10mm

https://www.aliexpress.com/item/1pcs-40 ... 81804.html

Smaller I think :

https://www.aliexpress.com/item/PC-Nort ... 06c1bcfbd7

What are you trying to cool?
Will a taller decent heatsink not work instead?
All else fails get some copper coins and some thermal glue people have done that :)

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mikro
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Re: Heatsink with integrated fan

Post by mikro » Sun Aug 05, 2018 10:58 pm

Unfortunately, that size applies only to the fan (yes, a rather misleading title/description there).

I want it for my Falcon's CT2 card, its heatsink is about 30x30x8mm (sitting on an 030) and I need to attach a fan to it. As you can imagine, the biggest enemy is the height, it must fit below 15mm all together otherwise the keyboard makes inadequate pressure to the CPU. I have room to use a slightly bigger heatsink/fan when it comes to width/length but not height unfortunately.

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Re: Heatsink with integrated fan

Post by exxos » Sun Aug 05, 2018 11:40 pm

Are you using the metal shielding still ? Assuming it fits over the. CT that is..
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mikro
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Re: Heatsink with integrated fan

Post by mikro » Mon Aug 06, 2018 8:26 am

exxos wrote:
Sun Aug 05, 2018 11:40 pm
Are you using the metal shielding still ? Assuming it fits over the. CT that is..
Nope, don't even have it for this Falcon. As I said, the biggest problem is the keyboard, the CT2 (in contrast to the CT60 for instance) has the CPU too close (mostly because it uses the original PSU so there wasn't much room in the front part).

I don't understand all the advertisement materials from that time claiming it would fit the standard case -- first you have to use only a 32 MB low profile SIMM to make that happen in the first place (what sounds pretty bad if the max. you can use is 128 MB but there's no way to find module that height with such capacity) and second the fan issue.

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Re: Heatsink with integrated fan

Post by DrF » Mon Aug 06, 2018 3:24 pm

mikro wrote:
Mon Aug 06, 2018 8:26 am
first you have to use only a 32 MB low profile SIMM to make that happen in the first place (what sounds pretty bad if the max. you can use is 128 MB but there's no way to find module that height with such capacity) and second the fan issue.
I had this problem before with a Amiga card trying to find a low profile simm that would fit and had no chips on the back that would catch on everything else. I did find 1 in the end on eBay but it cost alot for what it was.

What's the size of the simm that can fit?

I see some on Amazon, eBay and some Amiga places listed as low profile they seem to be around £30

mikro
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Re: Heatsink with integrated fan

Post by mikro » Thu Aug 09, 2018 9:06 am

DrF wrote:
Mon Aug 06, 2018 3:24 pm
What's the size of the simm that can fit?

I see some on Amazon, eBay and some Amiga places listed as low profile they seem to be around £30
We had been discussing it here: http://www.atari-forum.com/viewtopic.php?f=27&t=28770 ... typical low profile SIMMs >32 MB seem to be about 26mm what is too much. I need something no more than 20-21 mm. If you find any SIMM above 32 MB with such size, I'd pay anything for it. ;)

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Re: Heatsink with integrated fan

Post by DrF » Thu Aug 09, 2018 12:28 pm

Crazy idea 1 .... how much of the simm could you shave/sand off without damaging a trace or something?

Desperate measure 2... use ribbon cable and solder each pin on the simm to the pin its meant to go and glue it flat, prob not a good idea with a expensive accelerator card really.

Crazy idea 3... make a weird adaptor... cut a bad/cheap simm pins off but still as a board, cable it out to another simm socket or simm, stick it flat somewhere else. Kind of like a simm extender.

Crazy idea 4... ask Exxos to magic up some weird right angled PCB adaptor, if his brain can just stop making everything else for 2 mins, bet his already thought of it months ago :lol:

Desperate/cheap choose a side :lol:

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Re: Heatsink with integrated fan

Post by exxos » Thu Aug 09, 2018 12:44 pm

I already got asked to make some low profile simms for it a couple years ago.. problem I think was finding DRAM to physically fit nevermind the PCB.. plus its another project I just don't have time to start anyway.

Some kind of crazy right angle adapter would probably be the better idea..
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

mikro
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Re: Heatsink with integrated fan

Post by mikro » Mon Aug 13, 2018 8:36 am

Thank you guys for your input (on both topics). I'll post my results if/when I decide what to do.

One small question - how good / bad idea is it to put a fan on the CPU without any heatsink? You see where this is coming from, I could remove the heatsink and replace it with fan, leading to better (?) cooling.

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