Here's a picture that at least highlights, if not proves my point. An original mid-prodcution 128K logicboard with Apple branded RAM chips. Two of them had to be replaced last year…

the 575 PCB was missing the gnd on the audio } all fix :beige:

Just an update, I used the 8.6 (international) G4 disc on a SawTooth, no issues. I did have some problems previously on a drive that had been formatted by a newer Drive Setup (9.2…

IF i put h/phones i have sound

ok so my 575 pcb come and i have fited it but no sound put the old cc pcb in i have sound 8-o .. i can see the sound go up and down and the top menu flash when the vol is a…

you can also use a solder saturated wick to hot mop the area, its a bit less wasteful and abit less time consuming although your going to have to clean up a ton o flux

I finally got my tools in order and took the time to do some work on this smoking hot babe today. First off, I removed all the nasty caps with my new diagonal cutters. Some of the…

Not sure if this is related, but when modding the Colour Classic to fit a PPC board in it, you have sever one of the wires on the floppy cable to prevent the new PPC board from rea…

do the LCs have the R/C filter network like the older SEs did?

Adding an ICS9178 is also how one converts the Turbo601/66 into a Turbo601/100 (well more like 90 to 96). Click to expand... So, You're the one behind the Turbo601/66 chipping…

You know, yes original 601 ppc's look awesome.. but yeah.. was remounting the heatsink on my new 9150 board today and cracked the chip- why? because it doesn't actally touch the bo…

i had an imac slot load 500mhz fail from heat. I never could fix it so i trashed it. it would power up just fine, but then after a little bit, you could see the picture pulling in…

I've blown one PAV assembly in a G3/600 from excessive heat. The machine still worked, but it took a while to build up the required charge for a successful illumination of the tube…

The Rev A-D (233mhz-333mhz) had the internal fans. The ones with 350mhz or higher don't have fans. Having a 333mhz and 500mhz indigo the only problem I found was burning discs. I …

it wasnt much of a problem back then, but nowadays the hot-cold-hot-cold of convection cooling, or poorly fan cooled components have a tendency, and a strong one at that to break t…

your going to have to take a magnifying glass and light to the logic board. the smoke may had very well come from a circuit trace opening up like a fuse. seen it a few times. if it…

left-over 520 motherboard is a plug-and-play upgrade for a Color Classic / Someone here might even want it Click to expand... viewtopic.php?f=4&t=13785

Yea, it is unfortunate that they released the Color Classic at the same time as the LC III, but they based it upon the much slower LC II! What is even worse, the Color Classic II t…

Got the Mac OS ROM file, been really busy at work (where the Sawtooth project is underway), so I dropped it into a 1st gen slot-loading iMac DV at home (also a special-case machine…

Your left-over 520 motherboard is a plug-and-play upgrade for a Color Classic. It's not a huge leap in power: 16MHz '030 --> 25MHz, and 10MB RAM limit --> 36MB, but …

I still have the 2.5.1 ROM if anyone needs it - just send me a PM.

Desperately in search of Mac OS ROM 2.5.1 to get 8.6 running on a PowerMac G4 SawTooth. I have scoured the abandonware archives and used my status as Apple Certified tech to check…

If you get an LC575 board, make sure you also get the back panel off an LC575 Click to expand... In fact, Apple once sold both in an official LC 575 logic board upgrade for the…

RAM went to hell? In my Classic, when one of the RAM modules went to hell I saw the same behavior. Each boot was a crap shoot.

Well, I plugged it in today for giggles, and whaddya know, I got a chime and the mouse screen. I get varying results though, like sometimes i get chimes of death, and once or twice…