Why is Alice overheating?

[mikrucio]

I have got a second a1200 the other day.

now the problem is graphical corruption in displays
of 640x480 at 31khz on a vga mon.

the glitches are only small usually a line of pixels
change color, but can lead to a few more after heating some more.

the board is a i.d.4 board with E123C and E125C removed.
however the budgie revision is -01, and the person who did the fix, also wired 2 resisters onto 43 of alice?

this isnt needed i thought since it's only a revision -01
budgie?

I have put a heat sink onto alice to keep it cooler and it
works fine  but i should not have to do this.?

are the resistors causing the problem??

[Karlos]

...I dunno, what are you trying to do with her? ;-)

Seriously, I once saw the same thing using the DblPal mode on a friend's 1200. The chip just gets hot when pushed.

He shoved a cooling rib onto it and it was fine thereafter.

The 1200 case isn't very well designed for heat dissipation, which is part of the problem.

[mikrucio]

The case isnt on

Alice gets hot almost immedialty, within a minute
shes hot to touch!  :-)

the resisters have to be stuffing it up i figure,
It isnt meant to have the pin 43 fix.

being an 1.D.4 mobo with -01 budgie.

unless it's another hack?

is there any other hacks that use pin 43 of Alice

[sumner7]

Why is Alice overheating?

Because you haven't put it in the fridge! :lol:

[Framiga]

Take a look at:

http://groups.yahoo.com/group/Amiga-Hacks/message/184

"Notes: use only small tip soldering (temp controlled) iron please.
certain types of alice gets funny things on the screen with dblpal hires
no flicker, maybe the same in NTSC (never twice the same color)"

[BoingBoss]

The Amiga 1200 is a very low quality computer.  Get yourself one of the higher quality Amigas, like the 2000, 3000T, 500, or the Amiga 1000.  The Amiga 600, 1200, 3000, 4000, and 4000T are low quality and you will have nothing but problems with these Amiga models.  Trust me, I know what I am talking about.

[Brian]

@BoingBoss

WTF are you talking about? Such a statement surely show that you do NOT know what you're talking about.

I'm not even going to argue this case cause it's just too stupid... sniff sniff... I belive I smell doomy.

[BoingBoss]

Why are you getting upset?  I am only stating facts.     :-o

The Amiga 1200 IS a piece of low quality CRAP!  I had one so I should know.  :roll:

[Orjan]

Keyword search:

"High quality computer"
"2000"
"1200 is crap"

All we are missing is "military grade" and we´ve got Doommaster...  :lol:

[Piru]

@BoingBoss

Hello there DoomMaster. Nice to have you back!

[sir_inferno]

BoingBoss wrote:
Why are you getting upset?  I am only stating facts.     :-o

The Amiga 1200 IS a piece of low quality CRAP!  I had one so I should know.  :roll:

i should think that i speak for everyone here when i say, stfu  :-D

[Brian]

@DoomMaster oh sorry... BoingBoss

If you are in fact stating facts then I would love to see the studdy on that with all the parameters (Need mil.spec. chips, can be trown from the 3rd floor window and have a chance of surviving and must be in the DoomMaster collection) used to conclude this so called "facts".

I've owned one or more A1200's through the last 6years and they've never let me down. I've owned 3 A3000, 3 A2000, 4 A1200, 2 A500, 4 A4000 and 2 A600 in the last 2 years of witch I've kept 1 A4000, 2 A1200 and 1 A600 (se sig.)... I think I should know too. :roll:

[Hyperspeed]

Because there was an area of high pressure over Wonderland and she
forgot to put her hat on.

:-D :-D :-D :-D :-D :-D :-D :-D

Hey if you think that chip's hot you should see my EZ-VGA Plus on a
hot day, it gets so hot I can feel it under the desk! Must be the
flicker fixer chips.

Same with the '060, it's supposed to be cooler than the '030 but
sometimes gets too hot to touch.

What is the best way too cool things like this, 1" fan or some sort of
heatsink?

[Brian]

Although the newer 060 chips obviously can handle running without any cooling, at least for quite a while, I wouldn't recomend it. After all it's an expencive chip and the cooler chip the longer it lives. I have cooling on all my 060's just to be on the safe side and feel better.

A 486/P1 heatsink and fan combo is a winner but any bigger heatsink kan be modded to fit (the bigger the better)... if you can't fit a fan or want to keep down noice then a big heatsink is enough. Mounting these babys on the CPU can be hard as the cards aren't prepared for it so you need to think outside the box a bit to make it work. Thermal compound will not be strong enough to hold the heatsink/fan on it's own but combined with a rubberband (at least 2 in case one fails) it should be enough. You don't want to do this on a 060 but on 040 chips I've even glued the heatsing to the corners of the chip to keep it in place.

[TjLaZer]

In my opinion and experience (see my sig LOL) I think ALL of the Amigas are of high quality.  The only disadvantage is that on the newer cost reduced models the chips are surface mounted, so harder to replace.  Other than that, all Commodore gear was very well constructed.  I own almost all of 'em and they all work fine decades later.  I actually like the 3000 and 4000's the most.  I find the 2000 too big and bulky (that is why it is heavier, not because it is better Doomy!)  The 2000 is hugh compared to the 3000 and 4000.  Nice machine to upgrade, but the architecture is lacking compared to the 3000/4000. (Try getting a SCSI HD working with 32bit RAM, what a pain in the arse!)  I myself prefer the 4000D.