Re: How to compile a Pentium II

H. Peter Anvin (
15 May 1998 02:38:33 GMT

Followup to: <>
By author: Brion Vibber <>
In newsgroup:
> >
> > PII doesn't have MMX? Strange.
> PII does have MMX. (At least the sticker on my computer says so! ;) In
> fact it's basically a PPro with MMX in a pretty little box with a slot
> instead of a bunch of pins. I think the intended meaning was that the K6
> lacks the PII's socket design, big cache, and MMX, but is similar in
> internals (?).

Actually, the PII has an external L2 cache running at 2:1 clock
vs. the core; the PPro has an internal L2 cache at 1:1 (faster).


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