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PowerCenter Pro problems
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Fresh-Faced Recruit
Join Date: Sep 2006
Status:
Offline
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Ok kids, a bit of a pickle here. And I realize this isn't technically a Power Mac, but bear with me!
I moved recently, and brought along my trusty PowerCenter Pro 210 w/XLR8 G3. It'd been sitting and collecting dust for a while when I decided to boot 'er back up and see if I couldn't get Jaguar running on there and use it as a little server for my webpage. Problem is - it won't boot up. Most of the time when I push the power button - nothing. Sometimes the light will turn on, though, fans will spin up, and then it shuts off. I have gotten it to even start and stay on for a while - but with no video out.
I finally took the whole thing out of its case, and was able to get it to "turn on" with a new PSU and mobo battery. Thing is, it's still not showing video. The hard drive spins up, I hear it working for a few seconds at first, and then it just sits there, sounding like it's on, but not outputting anything. No speaker beeps or anything, either. The XLR8 card is blinking it's little LED the whole time, I don't know if that's a bad sign or what. I've even swapped out the 450Mhz G3 that's in it for a different G3 ZIF I had - same result.
There's not really any good documentation I can find online for a computer of this age - so any advice or tips anyone can give would be really appreciated.
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Addicted to MacNN
Join Date: Jan 2003
Location: ~/
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I know how you can repair it for $599.
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Fresh-Faced Recruit
Join Date: Sep 2006
Status:
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Hmm... ideally I'd like to fix this for $5.99 or less.
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
Status:
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Did you reset PRAM after changing the mobo battery? On that era machine (like most Macs), a dead mobo battery will prevent booting and can corrupt the CUDA chip. If a PRAM reset doesn't work, try a CUDA reset (there's a reset button on the motherboard somewhere).
And as for troubleshooting: look up info for the Power Mac 7200 and 7500. The PowerCenter Pro motherboard is based on the 7200, but with the CPU card socket of the 7500. Any troubleshooting steps for those would also apply to the PCP. Also, what OS are you trying to boot right now?
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Fresh-Faced Recruit
Join Date: Sep 2006
Status:
Offline
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After a bunch of troubleshooting, I've come to the sad conclusion that the motherboard is what's dying here. It won't properly start up at all anymore now, either. So I'm afraid that after 11 years, the motherboard finally gave out. Sad.
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Clinically Insane
Join Date: Dec 1999
Status:
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Originally Posted by livingfortoday 
After a bunch of troubleshooting, I've come to the sad conclusion that the motherboard is what's dying here. It won't properly start up at all anymore now, either. So I'm afraid that after 11 years, the motherboard finally gave out. Sad.
Could also be the power supply. Is there any way you can test the power supply?
Side note: I'm a fan of the old clones. I liked the Motorola and Daystar. The Motorola was a hoot because it had parallel and PS2 ports, kinda odd for a Mac. I never learned if they actually worked or not. Daystar had the Quad CPU monsters.
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"…I contend that we are both atheists. I just believe in one fewer god than
you do. When you understand why you dismiss all the other possible gods,
you will understand why I dismiss yours." - Stephen F. Roberts
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