Date: Wed, 9 Aug 2000 21:47:48 -0700 From: Paul Saab <paul@mu.org> To: Kevin Van Maren <vanmaren@fast.cs.utah.edu> Cc: bellefso@execpc.com, freebsd-smp@FreeBSD.ORG Subject: Re: Dual-Athlon vs Dual-PIII ... opinions? Message-ID: <20000809214748.A37454@elvis.mu.org> In-Reply-To: <200008100351.VAA08430@fast.cs.utah.edu>; from vanmaren@fast.cs.utah.edu on Wed, Aug 09, 2000 at 09:51:41PM -0600 References: <200008100351.VAA08430@fast.cs.utah.edu>
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Wait for Tyan's new RCC based board due out this month. It is very nice. -- Paul Saab Technical Yahoo paul@mu.org - ps@yahoo-inc.com - ps@freebsd.org Do You .. uhh .. Yahoo!? Kevin Van Maren (vanmaren@fast.cs.utah.edu) wrote: > I had high hopes for the i840. It's too bad Intel screwed it up. > > The board looks nice. The "HE" (high end) offers more features than > the "LE (low end) chipset (if you really need 5 PCI busses). One > problem with the board is that the 66MHz slots are keyed for 5V > signalling -- which is prohibited by the PCI spec. The Intel > L440GX+ board uses level shifters or something for it's 5V-keyed > slots: it runs them at 3.3V at 66MHz, 5V at 33MHz (determined > experimentally -- Intel wouldn't tell me what was going on). > 66MHz cards that don't support 5V signaling (at 33MHz) won't work, > since they won't fit (and making them fit will fry them if you ever > put a 33MHz card in the other slot). At least the Supermicro > ServerWorks boards are keyed correctly. > > The Asus board requires registered DIMMs (and probably ECC). > It is nice to see that they put the SCSI on the 64-bit PCI bus. > It does look like it will retail for $850 or so. Just the > thing to plug a couple gigabit ethernet cards into, and maybe > a nice RAID controller. > > Note that if you get the Ultra2 controller, apparently the 66MHz > PCI only runs at 33MHz -- sounds like you want to get the dual > Ultra160 controller, and no 7th PCI slot, to get 66MHz operation. > > Now if I could only find a nice mid-tower that supports SCA drives... > > Kevin > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-smp" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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