3000 Desktop.. Best way to cool??

[98PaceCar]

Before I start having any potentially heat related problems, I want to add some extra cooling to my 3000 desktop. Thought about towerizing it, but I kinda like the desktop look!

So, I've checked the ps fan and it's blowing good. I added a slot fan that's in the uppermost slot, set to exhaust. Directly below that is my X-Surf 2 and below that is my Picasso II. The X-Surf doesn't cover the memory or main chip on the Picasso, so I'm happy about that.

Should I even worry about trying to get more fans in there? Is there something in particular I should look for or some easy mod I can do to ensure that nothing overheats?

TIA,
98PaceCar

[KapitanKlystron]

Ther are fans that are heat sensitive. IE they start out at say 1200rpm and increase as the temperature increases. The PS fan in my antec case is like that. In fact, the whole fan bus in the case is that way.  Sounds like you got your situation in hand, but if you are worried monitor the temperature of the exhaust coming ouy of the case.

[melott]

Another question is ..... Do you have an Accelerator
in the fast slot.   If so, you may think about a fan
blowing across the accelerator. I added one when
I had an A3640 card and left it in when I upgraded
to a WarpEngine. I haven't had any heat problems.

Mel Ott

[98PaceCar]

@melott,

No accelerator yet. I've got an Apollo 4060, but it seems to be dead. At least I can't get any signs of life out of it.  :-(

So for now, it's pretty much a stock 3000. Just a full set of the latest chips, a full 18 mb, etc..

How did you mount your fan to blow across the accelerator? Does it have an opening to the outside to bring air in or just use the air in the case?

Thx,
98PaceCar

[MrZammler]

How did you mount your fan to blow across the accelerator? Does it have an opening to the outside to bring air in or just use the air in the case?

I was thinking of doing the same thing on my A3000. I have a CS2 040 there, which has a heatsing and fan. I had to cut a small rectangle where the right floppy sits, for the accelerator to fit.

An easy way would be to install a small fan which would suck air from the right floppy opening in the case, and blow it over the accelerator, and through the back to the PSU.

[o_sprenger]

I am using this fan/heatsink combination on my Cyberstorm Mk2 060 running at 66 Mhz:


This is 45 by 45 mm wide, and its height is only 7.5mm. It sucks air from the top, blows it thru the integrated aluminum heatsink, while the output is located only at the rear edge, pointing towards the lower quarter of the ps fan, thus a defined airstream is generated for the CPU. My full MC68060RC50 rev. 6 is running 66 Mhz without any problems using that setup in my A3k desktop. If needed, this fan/heatsink can be purchased thru me.

[melott]

Mounting a fan like this might be a little cheaper.

I bought a small CPU fan (about 1 1/2 inchs square)
at Radio Shack. I made an 'L' bracket out of a scrap
piece of Aluminum Siding.  Same width as fan, and
about 5 inchs on the long side of the 'L' and about
2 inchs on the short side of the 'L'.  I drilled 2 small
holes in the short side of the 'L' and mounted the
fan using 2 holes on one side of the fan.  The fan
will drop through the hole of the PSU, floppy drive
platform where the other cables come through.
You just lay the long end of the 'L' bracket on the
platform under the floppy drive. The floppy drive
will hold it in place. The long end on the bracket
can be curved a little to allow the fan to point at
the Accelerator CPU.  A little trial and error to get
the best direction. Bend the bracket so that the fan
isn't hitting or rubbing on anything. Plug the fan into
the extra hard drive power supply.  This really is
alot easier than I've probably made it sound.

As for the Apollo .... have you checked the jumper
settings on the Mother board.(won't work if they
arn't set right)

Mel Ott

[98PaceCar]

@melott

I see what what you are saying. That makes sense! I was thinking I'd have to hack up the case to do it, but I never thought about just suspending one like that. Great idea!

I think I've got all the jumpers set right for the Apollo. At least they are set to what amiga-hardware.com says I need. The system just sits there when I plug it in. I've tried every possible combination of ram/no ram, jumpers on the Apollo, and even plugging a drive into the onboard scsi in case that's the issue. Tried the jumper cable from the scsi chip to the kickstart as well. No matter what I do, the system will hit the drives when I first power it on, but never boots. Not even from floppy. Very frustrating! Any advice would be very much appreciated!

98PaceCar

[Framiga]

@o_sprenger

Wow! a relly cool fan! Where do you live?

Let me know, the price with delivery in Italy. (Pmail me).

Ciao

[Framiga]

@98PaceCar

You must change the INT/EXT clock jumper on the mobo.

So: locate the 2 jumpers

J100 and J104

Remove the J100 jumper and move the J104 from pins 1-2 to pins 2-3.

Check if the J851 jumper is set to 25 Mhz.

Let we know.

Ciao

-edit- if the system boot, you'll need a 68040.library

[98PaceCar]

@Framiga,

Ahh, that sounds different that what I've been trying... Soon as I get home tonight I'll give that a shot!

Thanks!
98PaceCar

[Framiga]

@98PaceCar

You can find the installation disk, here:

http://www.L8R.net/install/accel/apollo060.DMS

Ciao

[adolescent]

Without the accellerator you have more than enough cooling in there now.  

The A3000 desktop that I used to run my BBS on had an 040/35Mhz, 2 HDs, and a couple of cards (A2065 Ethernet and MFC3) and only had the P/S fan and the small CPU heatsink and fan.  I never had a heat related problem, and this system was on 24 hours a day for more than 4 years.  

[iamaboringperson]

3000 Desktop.. Best way to cool??

The A3000 D is already cool maaan!
Just look at it! ;-)

[Lo]

I just point my floor-standing furniture fan at me AND my Miggy in the summertime..hehe, not kidding, it works!   :-P My other Athlon Amithlon box freezes otherwise. (Er, freezes the OS) :pint: