[SunRescue] OT: dual PPro mb's...

[rescue at sunhelp.org]

It is two die.  if you really want to freak out, think about this:  good
ppro cache dies are 512k, running at up to 200mhz.  This means the 1024k
ppro is not two chips.  It is three.
	Nick
(PS, that is where most of the compatibility problems with it come from)

On Fri, 30 Mar 2001, Cyrus M. Reed wrote:

> On Fri, 30 Mar 2001, Greg A. Woods wrote:
> 
> > > That's why I upgraded to two 512k chips (from 256k) a couple months
> > > ago. :)  And together they cost less than a third of the second 256k chip
> > > I bought for the machine.  Sigh...
> > 
> > Not nearly so good, and far less reliable, than ECC cache on the CPU die
> > as in the PPro.  (or even in the same package as with the P-II).  :-)
> 
> I should have made that clearer - the upgrade was from two PPro 200
> (256k) CPU's to two PPro 200 (512k) CPU's.  :)  IIRC the cache on the PPro
> CPU's isn't actually on the same die as the CPU, but a separate die.  The
> two are just placed together in the same physical package (which is why
> the chips are so large, and rectangular in shape).  But it *is* still one
> of the better CPU's Intel has made. ;)
> 
> -Cyrus
> 
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