>  That would be me that flipk is buying the board/chip from.  I think it
>might be important to note that for all discernable purposes the chip is
>nothing more than a 133mhz 486.  The whole naming scheme for the chip
>(which is officially Am5x86(tm)-P75) seems to be just a marketing scheme
>for AMD.  All the digs on the chip can be seen here if you're curious: 
>http://www.amd.com/html/products/prodads/am5x86ad.html

It's not *completely* marketing.  At least how they look at it.

The reason they consider it "more than" a 486 is because all "real"
486s have 8KB write-through cache.  And, all "real" 486s are either 1x
(SX, DX), 2x (DX2), or 3x (DX4 -- also a marketing anomoly) clock.
The "5x86" has a 4x clock and a 16KB write-back cache.  So, they were
trying to make a point -- that it's faster than any "real" Intel 486.
They just picked a really bad way to do it.  Of course, they probably
did that on purpose.

This was all further muddied by Intel adding a 16KB write-back cache
to the 486DX4 (the "write-back enhanced" 486).

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  Michael L. VanLoon                           michaelv@MindBender.serv.net
        --<  Free your mind and your machine -- NetBSD free un*x  >--
    NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3,
        Sun4/4c/4m, DEC MIPS, DEC Alpha, PC532, VAX, MVME68k, arm32...
    NetBSD ports in progress: PICA, others...
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