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Hello everyone, I need to test the hardware of my Power Mac G3, I've heard about MacTest Pro, but I don't know what version to use and I don't find any version for PowerPC to download. If someone use this program to test your Power Mac, can share the installer/ISO with me? Thanks

Well... the problem was on the logic board. I bought a new board and I installed on the Mac using the same processor and memory and everything worked fine. Thanks to everyone who tried to help! :)

Hello everyone, I have a Power Mac G3 B&W with a dead logic board (as described here http://68kmla.org/forums/viewtopic.php?f=13&t=21030) and I'll buy a new mobo, the question is, my G3 is Rev 1 and the motherboard that I wanna buy is Rev 2, everything will work fine when I swap the...

Even booting without the PRAM battery the problem persists, a few seconds after the startup chime the Mac beeps 3 times, I tested with six modules of RAM in every slot, and I don't think that all of them are bad. The pins and the original block of jumpers are fine, and visually there is no sign...

Alright, I'll observe that, and the four beeps means that the ROM block is bad, right? The one beep means that no RAM is installed according to the service manual.

I know that, I've tested all the banks with some modules and the problem persists, also, I'm pretty sure that the module now installed is good because the Mac did booted with this memory before. I think that is the logic board that still need to be discharged, the Mac has passed 12 hours...

Thanks for your attention, the machine don't boot to open firmware, in fact it doesn't respond to any keyboard commands (for example CMD+OPT+P+R to reset the PRAM or C to boot from CD). I'll report here exactly what the machine does looking thought the motherboard LEDs, the current machine...

Thanks for your tips, I did everything that you said, but none of them worked. I'll do that, I disconnected everything externally and internally (IDE, front panel, PSU) and removed the PRAM. I'll let the Mac rest in this way for about two days or so, also, I ordered a new CPU just in case. You...

Hello everyone, I have the same problem as this guy http://68kmla.org/forums/viewtopic.php?f=13&t=20786 but the problem like this guy isn't the RAM. I've cleaned the motherboard, memory and the graphics card (the original Rage 128) with isopropyl alcohol, I swapped the RAM sticks and...

I have the same problem, the PRAM battery is new, all the case and components are clean, every module of RAM was tested and I've reseted the PRAM/CUDA a hundred times, but the problem persists. Any ideias how to fix this? xx(