| From: | neil |
| Date: | 8 Mar 2001 at 17:03:00 |
| Subject: | Re: Apollo super glue? |
Zdravstvoytye Nick,
In a message dated 07 Mar 01 you wrote to Graham :
>> the noise was the fan on my
>> Apollo 040/40 (sounds like it's on it's way out)
Got one too, and replaced the fan on it.
>> & I also noticed how hot
>> the 040 gets! (blisters anyone? ),
It's not too bad, compared with an old PentiumPro at least..
>> now I reckon the 040 is about the same size as a socket 7 chip so a
>> PC fan/heatsink should fit, please correct me if I'm wrong,
Just about anything will fit & work, but you will most likely need to cut bits
off the bottom of the heat sink so that it fits flat onto the 040. Then you
need to secure it. It's really more difficult in a normal A1200 case as you
have to find a source of really small/quiet fans & heat sinks, in a tower case
all you need do is glue on whatever you can find.
ND> It's no good fitting a fan unless you can keep the 040 cool enough,
ND> these little babys get pretty darn hot. I would suggest that you buy
ND> one of those heatsink and fan jobbies from your local PC parts shop. I
ND> found that the heatsink and fan used for the K6 series (AMD??)
The AMD K6-2 is Socket7. Don't know about K6.
ND> processors are a perfect size. The only problem is that the heatsink
ND> on the one I got is about an inch deep but the 040 stays very cool (I
ND> wonder if it can be overclocked more!)
Possibly; the board should support upto 50MHz at least as it's the same one as
used on the 1260.
>> to me so if anyone out there has replaced the fan on an Apollo 040 I
>> would really appreciate any advice you can give me.
ND> They are stuck down very well with special glue. Be careful when
ND> removong it because you can damage the 040.
To remove the heat sink, tap it gently sideways. You can try levering it up a
bit if you can get a screwdriver under it, but do that only lightly as you're
scratching the chip - actually remove it with a sideways tap.
ND> The glue that they use is a heat conductive. This is so that the heat
ND> produced by the 040 can get transfered to the heatsick and then cooled
ND> by the heatsink and fan.
I haven't bothered replacing the glue.
I have a very thin salvaged 486 fan, which rests three quarters on top of the
original tiny Apollo heatsink. It's all held in place by gravity and friction
(okay, a bit of sellotape holding the power cable to the floppy drive). The
keyboard is suspected with some wedges over the fan - if it touches it can
make quite a noise from the vibrations - this is easy as I have a 1.2" A4000
HD floppy drive in the machine which hold the whole upper case up anyway.
This also means that much of the case is open, which help with cooling a lot.
I should really use some heat conductive glue, but it's been working 24/7 for
6 months or more and besides, it keeps the keyboard warm which is welcome :)
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