Mac Pro best logic board upgrade in a Mac 1,1 case?

[withalligators]

So, I guess my 1,1 logic board is dead. It turns on and the fans spin, things get warm, but it never chimes or posts in anyway. I think the PSU died and took it with it. So, I have to get a new logic board. I already ad the firmware for 2,1 loaded on there, can I put an actual 2,1 board in the case? Can I put a 3,1? 4,1 and up used DDR3 and were drastically different right?

What do you suggest?
Cheers

 

[h9826790]

Ar... buy a whole new 4,1 (I mean a used 4,1) may be easier than upgrade the mobo, and all other components one by one. Also, much cheaper.

 

[withalligators]

I understand going to 4,1 would be a full overhaul and thus not worth it. I was mostly referring to the 2,1 and 3,1 motherboard compatibility in a 1,1 case.

 

[bax2003]

There was a topic like this not that long ago.
It is possible. If I remember correctly, the biggest problem are screws for RAM memory cage.

 

[RC Mike]

I understand going to 4,1 would be a full overhaul and thus not worth it. I was mostly referring to the 2,1 and 3,1 motherboard compatibility in a 1,1 case.

His point was that you might very well find a whole 4,1 for what you would spend in parts to fix your 1,1. I've seen used 1,1s going for a few hundred bucks. Can you find a mobo + power supply for that? When dealing with old equipment, it's almost always cheaper to buy a whole old system than to try to procure parts.

 

[cw48494]

His point was that you might very well find a whole 4,1 for what you would spend in parts to fix your 1,1. I've seen used 1,1s going for a few hundred bucks. Can you find a mobo + power supply for that? When dealing with old equipment, it's almost always cheaper to buy a whole old system than to try to procure parts.

I picked up my 1,1 for $100.

I see a working logic board for the 1,1 and 980w OEM PSU for under $100 on Ebay.