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Solve : dual cpu rig help?

Answer» OK here is the low down.  sorry for the long post.

ok, so I ordered two PIII 450mhz processors the other day.   i think i might have screwed up.  im new to the whole dual CPU thing and i was trying to get an old Compaq Proliant 800 server working.  i tried to research it, but since HP bought Compaq a few years BACK , its hard to find tech support stuff.  The only thing i found out is that it can take anywhere from 400-550mhz processors.  Well, apparently anything below 500mhz has to be a PII and not a PIII.  I unknowingly bought two PIII 450's which

1. lack the connectors on the CPU itself to hold it to the mount and

2. have way too big of heatsinks to come close to mounting both of them in the tower.  

Well, after looking more closely at the motherboard, the only real way i could decipher what processors were in there before (it was a stripped when i got it) was to look at the DIP SWITCH on the motherboard which was set for 550mhz speed (so says the diagram on the tower wall).  Apparently whenever u go below 500mhz you need a different PPM, and I dont even know what a PPM is.  
So i guess my question is what kind of processors can i use with the current PPM that is in there?  It is my understanding that if I am running dual processors that I will need a second one of these PPM's...is this TRUE?  
Any help would be much appreciated.
-MikeDo you have an FCC # and or any other id marks on that MBoard ? ?
HP and Compaq both used a few different board manufacturers. I think this would be the easiest way to track down info on what will work in that board.finding definitive markings on the motherboard was the problem i had when i tried to find out exactly which model in the Proliant 800 series this one was.  there is only one sticker on the MB and i couldnt get any of the numbers to match a model in the 800 series, maybe you can find a better way.  

The sticker on the MB has these numbers on it (it doesnt specify P/N or S/N):  it looks like this:
                     
                                        ||||||||(barcode)|||||||||||
155348-001         P2659CC25IX1ZX              007823-402
007824-000

-on the TOP of the board it says 1998-1999 Compaq system board.  
-There is a picture of an Indy Car
-it uses ATI Rage on-board graphics

That is really all i can get off of it.  thanks for replying






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