On Saturday, June 28, 2003, at 10:03 PM, Phillip Meza wrote:
Hello Will, I hope you don't mind a question "offlist" a little embarrassed to post, here's my question, is there a "easy" way to test a MB thats not installed in a case? Phillip Meza
Hello, Sorry but I don't know a quick answer to this question. Jeff Walther of the supermac list would likely be our man to answer this question. I can say that Mac and Umax motherboards rarely go bad. Unless you unplug something while the machine is running and see sparks they normally run for a really long time. I'd go so sofar as to say many motherboards which are replaced have nothing wrong with them. A battery or loose plug, corrupted nvram etc is the usual problem. If the power supplies wires are long enough you should be able to plug the board in and install CPU and video card for testing without installing or taking your old motherboard out. Sorry I can't be of more help. No real reason to be embarrassed to post your question. It would be a relief after the PC/Mac wars going on now
;-) Best of luck Will S
Thank's Will, Thats what I thought I could do, I seem to remember that mentioned before I'm going to try it, What I have tried was swapping MB's and when I attempt to boot "nothing" keyboard won't react at all, so I assume the board has a "problem" I've swapped, keyboards, power supplies, pram batteries, and cuda, even let sit for a week "board disconnected" and the same occurs.
I had purchased a MB from a California reseller (ebay) for $15 plus shipping, there were no guarantees from the reseller, Mac Global know anything about them?
The reason I had purchased this board is because I had problems with the original board in my S900 I started tinkering with SCSI again, I purchased a 9 gig HD from OWC, (adapted 68 to 50 IBM unformatted) connected to onboard SCSI, Bus 1? (next to ram slots) the machine didn't react well, first the drive was not recognized by drive setup and after re-booting it made a terrible wining noise, I shut down quickly from the front panel button.
I disconnected the drive, re-booted and all I've gotten is a boot image at startup, but it doesn't move (Happy mac) tried all the usual swapping this and that nothing. So I really have 2 boards with a "problem" any more thoughts I will post to "supermacs" after your reply? Thank you.
So, what I have are 2 logic boards, "new" and the "original" that seem have their "usual problems" any thoughts on resurrecting? Phillip
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