Cooling down your system: heatsinks

Amiga1992 · 20 June 2008, 01:15

Which are the chips that should earn a heatsink in my system?|

I got a bunch of small videocard-type heatsinks that I wanna put in the system.
I will be installing a scandoubler and I guess the temperature will go up and I can be benefited by this (added to the small footprint fan I am installing too).

What am I looking for then? Which chips are the ones that go hotter?

I have a CF-IDE system so no heat from the hard drive

rkauer · 20 June 2008, 01:25

Quote:

Originally Posted by Akira

Which are the chips that should earn a heatsink in my system?|

I got a bunch of small videocard-type heatsinks that I wanna put in the system.
I will be installing a scandoubler and I guess the temperature will go up and I can be benefited by this (added to the small footprint fan I am installing too).

What am I looking for then? Which chips are the ones that go hotter?

I have a CF-IDE system so no heat from the hard drive

The hottest chips in an A1200 are Lisa (hands down), Alice and the 020 CPU (even with an accelerator hooked!!!). The CIA (both) goes hot, too. Budgie warms a bit.

Amiga1992 · 20 June 2008, 01:28

Whatt are their IC names in the motherboard?
Lisa will get a Scanmagic on top. Can I still put the heatsink on it? maybe in the scando?

(this topic, by the way, was a trap for you

I knew you would reply ;D)

rkauer · 20 June 2008, 01:34

Quote:

Originally Posted by Akira

Whatt are their IC names in the motherboard?
Lisa will get a Scanmagic on top. Can I still put the heatsink on it? maybe in the scando?

With an internal scandoubler you can't fit a heatsink...

The chips:

Alice 8374

Lisa CGS4203

CIA 8520

CPU MC68EC020

Quote:

(this topic, by the way, was a trap for you

I knew you would reply ;D)

Eheh, I notice that. But I am so naive...

Zetr0 · 20 June 2008, 02:18

He's a Tricky one that Akira!

Amiga1992 · 24 June 2008, 20:32

OK I put my first one, heatsinked the 68EC020
I had to twist one part of the heatsink so it doesn't conflict with the keyboard, but no biggie :P

Today I saw at conrad some lower profile heatsinks that would be perfect for tight spots like the 68EC020's location, so you better keep looking around until you find what you need.

Here's a bunch of pic:s:

Yeah the twisting is a bit sloppy, don't laugh!
There are NO TOOLS in this house (my friend's) And I had to twist that WITH A FORK>

MacGyver was my teacher :P

Amiga1992 · 24 June 2008, 20:34

By the way, what's that U0 empty slot to the left of the 68EC020 for?
An FPU perhaps?

TheCorfiot · 24 June 2008, 20:38

Quote:

Originally Posted by Akira

By the way, what's that U0 empty slot to the left of the 68EC020 for?
An FPU perhaps?

Hey Mate Nice piccys,,, The Heatsink is similar to the one on my 68040 & the fins have been bent in a similar fashion, not with a fork though

It's cool It fits & works,,,, Nice colour too.

The FPU would indeed have been fitted at the factory in the location next to the 020, I've never seen one populated though

Best Wishes

TC

rkauer · 25 June 2008, 00:29

Quote:

Originally Posted by TheCorfiot

Hey Mate Nice piccys,,, The Heatsink is similar to the one on my 68040 & the fins have been bent in a similar fashion, not with a fork though

It's cool It fits & works,,,, Nice colour too.

The FPU would indeed have been fitted at the factory in the location next to the 020, I've never seen one populated though

Best Wishes

TC

Neither the PCMCIA led on the case (they exists on C= schematics), on-board RTC, nor 8Mb chip in A4000, ...

BTW: believe it or not, the ROM chips goes hot, too!

Boot_WB · 25 June 2008, 00:51

Quote:

Originally Posted by Akira

There are NO TOOLS in this house (my friend's) And I had to twist that WITH A FORK

LMAO

Yoto · 25 June 2008, 01:01

To: Akira
Why damage a fork when you could use your teeth!

Amiga1992 · 25 June 2008, 01:47

My teeth got damaged.
No forks were damaged in this modification.
I followed all MacGyver safety rules.

cv643d · 25 June 2008, 17:35

I have seen an A1200 with soldered FPU, it did work!

Conrad has a lot of nice heatsinks, I should really order some because Im planning to go heat sink bezerk on my main Amigas!

alphonsus · 25 June 2008, 17:55

My BlizzPPC doesn't have a heatsink on the 040 - 25MHz.

Do people think I should put one on?

Yoto · 25 June 2008, 18:06

To:cv643d
Hummm , that would be a nice feature...was a factory add on?
Would it be possible to add an PLCC type FPU to A1200 mobo?

rkauer · 25 June 2008, 23:44

Quote:

Originally Posted by Yotoxionomai

To:cv643d
Hummm , that would be a nice feature...was a factory add on?
Would it be possible to add an PLCC type FPU to A1200 mobo?

Yes, it is feasible. But the FPU will run at the same slow clock of the EC020, adding not too much horsepower to the system.

You also need the schematics of the A1200 (want it?) to put the lacking few capacitors and resistors required.

Yoto · 25 June 2008, 23:55

Yes please rkauer, just for curiosity sake!
BTW: But if i was using an accelerator card like my blizzard IV 30@50Mhz the fpu feature would be overruned by the accelerator card right...i mean when a accel card is plugged the mobo 68020 and a possible FPU would be ...offline so to speak...Right?
Ofcourse it would be easy and much better to have an fpu in the accelerator card, but i´m just exploring the original mobo possibilities...like adding more chipmem from 2 mb to 8 mb for example.

rkauer · 26 June 2008, 00:20

The on-board FPU will be passed, as the CPU.

8Mb fast directly on mobo? Where?

Do you mean 8Mb chip? Sorry m8, no way.

BTW: A1200 schematics on the zone in half an hour!

[edit] That was fast than I expect! Now zoned!

Zetr0 · 26 June 2008, 03:45

I thought there was need for extra logic on the board as well to run the FPU???

it would be cool to see though....

rkauer · 26 June 2008, 03:58

Quote:

Originally Posted by Zetr0

I thought there was need for extra logic on the board as well to run the FPU???

it would be cool to see though....

Nope, no extra logic required.

The FPU sits in parallel to the CPU, remember?

So any FPU (81 or 82) can be put together with a 020 or 030. Full or EC, doesn't matter.

20 June 2008, 01:15	#1
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,646	Cooling down your system: heatsinks Which are the chips that should earn a heatsink in my system?\| I got a bunch of small videocard-type heatsinks that I wanna put in the system. I will be installing a scandoubler and I guess the temperature will go up and I can be benefited by this (added to the small footprint fan I am installing too). What am I looking for then? Which chips are the ones that go hotter? I have a CF-IDE system so no heat from the hard drive

25 June 2008, 23:55	#17
Yoto 1 Potato to Spam´em all! Join Date: May 2008 Location: Lost in a Wine Country Age: 48 Posts: 572	Yes please rkauer, just for curiosity sake! BTW: But if i was using an accelerator card like my blizzard IV 30@50Mhz the fpu feature would be overruned by the accelerator card right...i mean when a accel card is plugged the mobo 68020 and a possible FPU would be ...offline so to speak...Right? Ofcourse it would be easy and much better to have an fpu in the accelerator card, but i´m just exploring the original mobo possibilities...like adding more chipmem from 2 mb to 8 mb for example. Last edited by Yoto; 26 June 2008 at 00:05.

26 June 2008, 00:20	#18
rkauer I hate potatos and shirts Join Date: Oct 2007 Location: Sao Leopoldo / Brazil Age: 58 Posts: 3,482	The on-board FPU will be passed, as the CPU. 8Mb fast directly on mobo? Where? Do you mean 8Mb chip? Sorry m8, no way. BTW: A1200 schematics on the zone in half an hour! [edit] That was fast than I expect! Now zoned! Last edited by rkauer; 26 June 2008 at 00:29. Reason: add information.

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20 June 2008, 01:28	#3
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,646	Whatt are their IC names in the motherboard? Lisa will get a Scanmagic on top. Can I still put the heatsink on it? maybe in the scando? (this topic, by the way, was a trap for you I knew you would reply ;D)

20 June 2008, 02:18	#5
Zetr0 Ya' like it Retr0? Join Date: Jul 2005 Location: United Kingdom Age: 49 Posts: 9,768	He's a Tricky one that Akira!

24 June 2008, 20:32	#6
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,646	OK I put my first one, heatsinked the 68EC020 I had to twist one part of the heatsink so it doesn't conflict with the keyboard, but no biggie :P Today I saw at conrad some lower profile heatsinks that would be perfect for tight spots like the 68EC020's location, so you better keep looking around until you find what you need. Here's a bunch of pic:s: Yeah the twisting is a bit sloppy, don't laugh! There are NO TOOLS in this house (my friend's) And I had to twist that WITH A FORK> MacGyver was my teacher :P

24 June 2008, 20:34	#7
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,646	By the way, what's that U0 empty slot to the left of the 68EC020 for? An FPU perhaps?

25 June 2008, 01:01	#11
Yoto 1 Potato to Spam´em all! Join Date: May 2008 Location: Lost in a Wine Country Age: 48 Posts: 572	To: Akira Why damage a fork when you could use your teeth!

25 June 2008, 01:47	#12
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,646	My teeth got damaged. No forks were damaged in this modification. I followed all MacGyver safety rules.

25 June 2008, 17:35	#13
cv643d Registered User Join Date: Jul 2002 Location: Sweden Posts: 762	I have seen an A1200 with soldered FPU, it did work! Conrad has a lot of nice heatsinks, I should really order some because Im planning to go heat sink bezerk on my main Amigas!

25 June 2008, 17:55	#14
alphonsus Registered User Join Date: Apr 2008 Location: UK Age: 50 Posts: 181	My BlizzPPC doesn't have a heatsink on the 040 - 25MHz. Do people think I should put one on?

25 June 2008, 18:06	#15
Yoto 1 Potato to Spam´em all! Join Date: May 2008 Location: Lost in a Wine Country Age: 48 Posts: 572	To:cv643d Hummm , that would be a nice feature...was a factory add on? Would it be possible to add an PLCC type FPU to A1200 mobo?

26 June 2008, 03:45	#19
Zetr0 Ya' like it Retr0? Join Date: Jul 2005 Location: United Kingdom Age: 49 Posts: 9,768	I thought there was need for extra logic on the board as well to run the FPU??? it would be cool to see though....

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