Date: Mon, 22 Jun 1998 00:26:42 -0600 (MDT) From: "Kenneth D. Merry" <ken@plutotech.com> To: mike@smith.net.au (Mike Smith) Cc: Dave.Tyson@liverpool.ac.uk, port-i386@netbsd.org, freebsd-hardware@FreeBSD.ORG Subject: Re: O/S Support for large [512Mb] PC systems Message-ID: <199806220626.AAA26374@panzer.plutotech.com> In-Reply-To: <199806220433.VAA03531@antipodes.cdrom.com> from Mike Smith at "Jun 21, 98 09:33:03 pm"
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[ Just a couple of comments on this ] Mike Smith wrote... > > 4) Has anyone used any of the Supermicro boards e.g. P6DBS with the builtin > > Adaptec Dual Channel UWSCSI ? or got suggestions for other suitable > > motherboards (preferably ones with will take up to 1Gb RAM) I should > > point out that 'the management' would REALLY like to use a commercially > > available box rather than me build one out of bits ! One thing to keep in mind is that the P6DBS has an Adaptec AIC-7895 on board. This means that it will only work with FreeBSD and the CAM patches (ftp://ftp.FreeBSD.ORG/pub/FreeBSD/cam/README) or a fairly recent Linux kernel. [ ... ] > - If you want more than 512MB of memory, you need to use Pentium Pro > processors. (This may change with new PII models; I'm a few months > out of date. Be very certain to check this carefully.) For the 233-333MHz versions of the Pentium II, you are correct. However, the 350 and 400MHz versions can cache up to 4GB. See: http://developer.intel.com/design/pentiumII/datashts/24365701.pdf Look on page 9. If you're up for waiting a bit, though, I would probably wait for a Slot 2 processor and the 450NX chipset. You will be able to do 4-way SMP with the 'Xeon' processors, and the cache will run at the same speed as the processor. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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