Message-Id: Comments: Authenticated sender is From: "Salvador Eduardo Tropea (SET)" Organization: INTI To: jah AT rrnet DOT com (Hjelmo), djgpp AT delorie DOT com Date: Fri, 23 Jan 1998 15:24:57 +0000 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT Subject: Re: Speed problems with AMD K6 In-reply-to: <6a5qvn$hp$1@news.rrnet.com> Precedence: bulk jah AT rrnet DOT com (Hjelmo) wrote: > Salvador Eduardo Tropea (SET) (salvador AT inti DOT gov DOT ar) wrote: > : michaelm AT moon DOT dataplusnet DOT com wrote: > > : > Actually, I think all AMD K6 processors run at 60 or 66 mhz bus speed and > : > all Cyrix do too (except for the one that runs at 75mhz). Thus, I would > : > probably suspect that it has to do either with the OS or maybe DJGPP > : > itself (probably software related). > : > : I think that Cyrix PR166 is a 150MHz or 180MHz CPU but not 166MHz. AMD K5 > : speeds aren't announced in the AMD pages, etc ... So double check it. > > I don't think that the bus runs at 75mHz, at least I've never heard of a > bus running at that speed.. I have a mother (ASUS) that supports 75 and 83 MHz but ASUS says isn't recomended to use these speeds. > Also, it just seems silly that certain > software would run slower on compatible processors for internal reasons > when everything else runs faster... I'd say it has to be bus speed. You are wrong, the original post clearly talked about DJGPP+ALLEGRO that means graphics with 99% of probability and the video card speed is TOO sensitive to the bus speed, in some video boards a faster bus produeces an slower result (due to the wait states needed). SET ------------------------------------ 0 -------------------------------- Visit my home page: http://set-soft.home.ml.org/ or http://www.geocities.com/SiliconValley/Vista/6552/ Salvador Eduardo Tropea (SET). (Electronics Engineer) Alternative e-mail: set-sot AT usa DOT net - ICQ: 2951574 Address: Curapaligue 2124, Caseros, 3 de Febrero Buenos Aires, (1678), ARGENTINA TE: +(541) 759 0013