Macintosh SE or SE/30 Fan Bracket
- Thread starter alxlab
- Start date
And this is the reason things like the Kensington MacSaver was developed:View attachment 6537
Macintosh Plus - Wikipedia
en.m.wikipedia.org
Kensington System Saver Mac – Apple Rescue of Denver
applerescueofdenver.com
@NickB that is awesome!
Can you take more pictures, like the front, back, and another side of the fan, for more perspectives of the updated design of the @alxlab fan bracket?Oh. Can you take a picture? That will help @alxlab and us understand. Maybe @alxlab could adjust the design to allow looping in the wiring so the folks who print and install this fan bracket would not have to drill a hole through the bracket?
Cheers!
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Why did you have to make a hole? I just ran the original wires on top of the bracket like Apple did for the original squirrel cage fan and metal fan brackets.
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I think they meant the Mac should be operated in ambient conditions that are comfortable to people, not that no component inside should exceed room temperature or human body temperature.
Look up the operating temperatures for just about any component inside. They're designed to run much hotter than room temperature.
Earlier in another thread, I posted a spreadsheet of compact Mac operating temperatures that I gathered from Apple.
Yes, the components were designed for higher internal temperatures. When the ambient temperature outside rises, the internals is affected, only that Apple did not implement automatic cooling for the Macs.
There is another problem. High quality and decent components are diminishing. The day will come when "high-quality" components will be much harder to find when suppliers routinely produce "acceptable-quality" components that meet today's standards. Thus, the need for increased cooling.
That is something we could tinker with and come up with nifty cooling solutions that Apple did not come up with back then. The R Pico and other modern chipsets could be easily used to provide automatic internal temperature adjustments to maintain a reasonable range of internal operating temperature than on the high end, especially with older compact Macs.
The third-party solutions back in the day were clunky and frankly unnecessary now that we have better technologies to keep the compact Macs cooler.
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Sure, also to keep them quiet in cool conditions.
A Pico or even an 8-bit micro are overkill for fan control.
Simple analog circuits can do this quite well and reliably.
Liquid cooling is for CPU only in that i7 hack and in any conventional rig, no? He says that the fan that removes heat from the liquid cooling rig in the usual SE position? Looks like that's the only case cooling installed? He says "The exhaust air doesn’t even feel that hot!" THAT hot in relation to what? I'm thinking he's stressing the System with limited cooling, CPU temp sampling's not directly related to system temp.Liquid cooling could work in a compact Mac case. While this person's Mac SE case did not have the SE stuff as an i7 Mac was put in, liquid cooling was installed.
I wonder, maybe a smaller liquid cooling kit could be done?
As noted before, CPU temp's not really an issue in the Compact Bucket
Nice! Adapter bolted up to the A/B without a hitch? What fan did you use?
Not surprised at all that a modern fan would be much quieter. Was your OEM fan's noise all that objectionable? Any fan noise at all from an SE would have been objectionable to some users moving from the Plus or Minus Compacts. If some of those had never used a computer designed by engineers with a proper cooling setup, any noise at would make some's skin crawl!
Question would be whether the OEM cooling system as designed was much noisier than the two bladed axial fan conversion of the SE done in 1988.
Hard to tell with computers over 35 years old, the original cross-flow (not squirrel cage) fans have a lot of time on bearings and such. Heck, SE/30 folks are wigged out by their 33 year old axial fan's decibel levels.
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It's EVERYTHING in the Bucket. Some components throw off more heat, some less and all have varying amounts of heat tolerance. Yep, PSU and A/B components would be the worst offenders for BTU production I'd think? Dunno what the weakest component would be in terms of heat tolerance?
In modern PCs the CPU might as well be a coal burning stove.
I think I must have a different squirrel cage variant. This one has the contacts on the base of the fan - no wires running anywhere.
To be fair I could have run wires over the top to a spare ground/the adjacent resistor! On reflection that would have been easier but I was a bit concerned about having more wires going to random places on the a/b - it's a bit of a rats nest as-is!
retr01 said:@NickB that is awesome!
Can get some more photos/measure things if needed!
Trash80toG4 said:
No issues bolting on the adapter, lined up like a dream! I've got a horizontal neck board and it fits fine. Fan is a Noctua A6x25
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Noctua's a big improvement. Fans like that have come a long way in the past 30+ years. How noisy was the "squirrel?"
