On Sun, 12 May 2002 01:00:25 -0700, Seedkum Aladeem <[EMAIL PROTECTED]> wrote: > On Thursday 09 May 2002 09:31 pm, you wrote: > > i586 will work on machines with a Pentium class processor or newer. That > > is, anything newer than a 486. i686 will work on machines with a Celeron, > > Pentium II, or newer. Thus my AMD K6 box can use RPMs for either i586 or > > i686, but my AMD K5 box can only use RPMs for i586. > > Something is not right. My machine has an AMD K6-2 but the arch program Tom > mentioned gave me i586 for the CPU. I think the arch program is probably > mistaken. > > I think the difference between the i586 and the i686 is that the i686 has the > MMX instructions and the i586 does not. I think the arch program should have > detected a i686.
The difference is a little greater than that. Comparatively few apps use MMX, so if your hypothesis was correct then the difference between i586 and i686 would be almost negligible. IIRC, Intel released 3 MMX-enabled versions of the Pentium series, running at 166, 200 and 233 MHz. i686 is a major redesign of the Pentium, and was first seen in the Pentium Pro chip. The Pentium II and III were simply souped-up versions of the Pentium Pro. I believe the AMD K6 series is i586-class. In that case, the first i686 AMD chip was the Athlon. -- Sridhar Dhanapalan What's this script doing? unzip ; touch ; finger ; mount ; gasp ; yes ; umount ; sleep. Hint: not everything is computer-oriented. Sometimes you're in a sleeping bag, camping out with your girlfriend.
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