Date: Mon, 9 Dec 1996 08:20:27 +0100 (MET) From: Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de> To: ejs@bfd.com (Eric J. Schwertfeger) Cc: msmith@atrad.adelaide.edu.au, cau@cc.gatech.edu, kuku@gilberto.physik.rwth-aachen.de, freebsd-hackers@freefall.freebsd.org Subject: Re: Amd (K5) 586 /133 Message-ID: <199612090720.IAA06380@gilberto.physik.rwth-aachen.de> In-Reply-To: <Pine.BSF.3.95.961208222826.29921B-100000@harlie> from "Eric J. Schwertfeger" at "Dec 8, 96 10:30:08 pm"
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> > > On Mon, 9 Dec 1996, Michael Smith wrote: > > > Carlos Ugarte stands accused of saying: > > > > > > > I bought an A-Star (i430VX) mainboard and put in an Amd (K5) 133 MHz CPU. > > > > dmesg tells me 100.23 MHz. Who's cheating? > > > > > No one, really. I'm pretty sure AMD uses a similar "rating" > > > scale to Cyrix - the particular chip you have is called something > > > like a K5-PR133, where PR stands for Pentium Rating (or something > > > similar). It actually runs at 100 MHz, but its performance was > > > found to be "equivalent" to a Pentium 133 MHz. > > > > I don't think so. This is a 2.2 system with an AMD K5-PR100 : > > > > Calibrating clock(s) relative to mc146818A clock ... i586 clock: 100252689 Hz, i8254 clock: 1193485 Hz > > CPU: AMD Unknown (100.23-MHz 586-class CPU) > > The K5-PR100 and K5-PR133 are both 100Mhz CPU's, the PR133 just has a more > efficient pipelining/microcoding/etc. Aha, PR=Pentium Rating > > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
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