Slockets SMP compatible with Pentium III?

[Guest]

Greetings all.

I've recently decided to buy 2 850Mhz Pentium III Coppermine's to replace the 1 600Mhz Slot1 Pentium III Coppermine in my SMP Tyan Tiger 100 mobo with 100Mhz FSB. The only problem is that PIII 850's are by far more available in the FC-PGA format and atleast $20 cheaper than their Slot1 counterparts.

Are the slocket adapters out there that claim to be SMP compatible only capable of using Celeron's in SMP support or do they also support the FC-PGA PIII's in SMP mode? Is it even worth my bother to buy the FC-PGA's and the slockets are should I just fork over the extra $20 or so and buy Slot1 chips instead?

Also, is there any reason why my mobo claims to only support up to 850Mhz PIII's? I've seen Slot1 PIII's up to 1Ghz around and am wondering why they would (wouldn't) work in my mobo. I would love if I could get away with 1Ghz FC-PGA PIII's 100Mhz FSB with slocket adapters but I'm betting that would be pushing my luck.

Thanks,
Chris

 

[Crashman]

Celeron II's (Coppermine) are NOT SMP compatable. PIII's usually are. So there you have it. There are THREE kinds of Slotkets, Coppermine (FC-PGA), Celeron (PPGA, not FC-PGA), and both (swithchable). The SMP compatabel versions should be for the FC-PGA CPU's, of which the PIII is SMP, the Celeron is not.

What's the frequency, Kenneth?

 

[LoveGuRu]

if its not SMP then what is it?

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[Crashman]

OK, get this:
The original Socket Celeron (PPGA) was SMP compatable, because Intel neglected to remove that capability. The only board I know of that supports this configuration is the Abit BP6, which does not need Slotkets because it's Socket 370.

The Celeron II (FC-PGA) is based on defective Pentium III's and has SMP disabled.

The PIII (FC-PGA) is SMP compatable (except for the few that are not validated).

Slotkets for the PIII often have a jumper for either PPGA or FC-PGA processors. Those that say they are SMP compatable are refering to PIII processors (getting back to your earlier question).

Not all slotkets that claim SMP capability are truely SMP capable on all systems. Some do not suport SMP on certain systems.

Most slotkets that say they are SMP capable really are.

What's the frequency, Kenneth?

 

[girish]

The retail P-III box says "For use in Uni-processor systems only"!

They make a different version the P3-S or Server model thats SMP capable which has a different stepping than the uniprocessing part. Intel site has a table saying what part is SMP capable and what is not. The "S" version costs a bit more money.

Or is this just a disclaimer and it does SMP but isnt validated for the operation, just like the AthlonXP working as AthlonMP?

Anyway look for this label on the P3 box.

girish

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[Crashman]

I don't think they disable SMP on any PIII processor, but rather some are validated while others are not.

What's the frequency, Kenneth?