Date: Sun, 27 Apr 1997 22:06:07 -0400 (EDT) From: Ben Black <black@zen.cypher.net> To: Chris Browning <brownie@earthling.net> Cc: Mr M P Searle <csubl@csv.warwick.ac.uk>, smp@freebsd.org Subject: Re: Quad Pro 150 motherboard? Message-ID: <Pine.LNX.3.91.970427220418.32065H-100000@zen.cypher.net> In-Reply-To: <336401FE.F21@earthling.net>
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i think a good rul eof thumb is about 256K per 64MB RAM (except for servers or where bus speeds far exceed RAM speeds). so, 4 CPUs with 256K cache should be fine in non-server configs. the 512K P6 chips are just not cost effective. last week i ordered a P6-150 for $165. tough to beat that. On Sun, 27 Apr 1997, Chris Browning wrote: > Michael, > I concur with Ben here. Typically in the PC world, anything above > 2 procs is geared towards servers. I can't think of many non-server > > 2way systems out there. So, if you want >2way, you will have > to go with one of the server class machines, which are typically > expensive. In addition, I would not bother with the 150MHz PPP. If > I remember correctly, the 150 only comes in the 256k cache size. If > you are going to do 4way, do yourself a favor and get the 512k cache > PPP. 4way PPP will saturate the processor bus quite quickly, so the > more cache the better. I believe they make a 166/512k PPP, so for > cost effectiveness, that is what I would recommend. > > Chris > Not speaking for Intel. > Ben Black wrote: > > > > a 4 or 6 CPU P6 board for *other* than a large server...think about that > > for a few minutes. > > > > (hint: NT4 Workstation can't handle more than 2CPUs and that is the most > > popular commercial SMP-capable OS) > > > > On Mon, 28 Apr 1997, Mr M P Searle wrote: > > > > > Is there such a thing as a cheap quad Pentium Pro motherboard? I'm looking > > > for an SMP Pro 150, but there aren't many 4 or 6 Pro motherboards > > > around, and those that I could find were for large servers (eg Intel Alder, > > > Goliath, etc.) > > > > > > Thanks, Michael. > > > > > > > > -- > -----BEGIN PGP PUBLIC KEY BLOCK----- > Version: 2.6.2 > > mQCNAzJSHeUAAAEEAKQrvftlb+sbnw0hA5vW2Orzq3rCGypldkYxRdXhx0yWx/dY > U2PMqxgTwlOeQl3wA1IIWGMaHhbpPp0IegkOm9HIHEvc2G8uWywN5OvkaVFyuIHL > juZ6VSem3cd63bqpNe3ZWtWwQdjFivm+YNeQveV220eTPfTuvbz7xZq+b9WZAAUR > tCtDaHJpcyBTaGVybWFuIEJyb3duaW5nIDxjYnJvd25AYXJhY25ldC5jb20+ > =NxsF > -----END PGP PUBLIC KEY BLOCK----- >
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