Could a damaged/defective cpu fry a working motherboard?

[Kraid2xd]

Okay, heres my little dilema... my school threw out four Dell 1.6ghz pentium4 workstations due to "irreparable damage" and I had the privilege of salvaging whatever useful components I could find. (I have 512mb of ram now, woohoo!) I also salvaged 2 seemingly undamaged p4 cpus (the other 2 were visibly fried and now decorate my case)... Although they don't appear to be damaged, I'm a bit worried about what they will do to my mobo if they are damaged (since the other two workstations were tossed due to fried mobo and cpu) Would my mobo be in any risk if I were to test these potentially working/damaged cpus?

 

[SilverBack]

Theoretically No it couldn't
If the CPU has been damaged to the point of not working it won't let the system power up.
It won't close the motherboard "circuit"
I've tried this on AMD platforms , but I haven't on any P4's.

 

[Buzzman151]

the CPU would have nothing to do with it... only if you bump up the volts yourself or having a bad part on the mobo do you run a risk of frying something....

 

[Zap]

I've killed a board using a dead CPU. I had a Celeron 366 PPGA on some micro ATX board (unknown) that wouldn't POST. Another board was an Abit BH6 with a Celeron 400 PPGA (on slotket, not overclocked) that worked fine. I was trying to figure out if the CPU or board was dead, so I popped the 400 in the micro ATX board and it didn't POST. I then tried the Celeron 366 in the Abit BH6. No POST. Okay, both are dead. So, put the Celeron 400 back in the Abit board, no POST. I tested the Celeron 400 on other boards I had and it worked fine, but the Abit BH6 remains dead. I also tried other, working slotkets, but the board still is dead. Dead meaning not only no POST, fans don't even spin up. I still have it sitting around here somewhere.

 

[Kraid2xd]

Woohoo! one of them works! The other one gave me a blank screen, no booting, but the PSU and HS/F are running. It now covers my intel pentium 4 case sticker...