Date: Tue, 26 Dec 2006 15:33:34 +0000 From: Thomas Hurst <tom.hurst@clara.net> To: Hiroharu Tamaru <tamaru@myn.rcast.u-tokyo.ac.jp> Cc: amd64@FreeBSD.org Subject: Re: >32GB memory with Xeon ? Message-ID: <20061226153334.GA42100@voi.aagh.net> In-Reply-To: <sa6lkku21j5.wl%tamaru@myn.rcast.u-tokyo.ac.jp> References: <sa6lkku21j5.wl%tamaru@myn.rcast.u-tokyo.ac.jp>
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* Hiroharu Tamaru (tamaru@myn.rcast.u-tokyo.ac.jp) wrote: > Specifically, I am thinking of a Dual-core x Dual-processor Xeon 5160, > with 5000P chipset and something like 40GB of RAM. > > I'd appreciate if someone would tell me if the system can use the > whole memory, and/or if one single process can use the whole memory > (or at least most of it)? Should be fine, though I've only personally used systems with 16G, I've had individual processes approach 30GB using swap (though not on purpose, *cough*). > Are there any other things to be noted? like.. some popular hardware > not working with > 4GB memory and such. I don't need much fancy > hardware, but would like to expect SATA disks, ATAPI CDs and Gb > Ethernet NICs to work.. ata(4) has a poor history on systems with >=4G and more than one or two disks, though I've not tried it recently; it always used to run out of bounce pages and die, and I've not seen anything to suggest it's been resolved. I bought an LSI MegaRAID (amr(4)) for the bulk of my storage. http://lists.freebsd.org/pipermail/freebsd-amd64/2006-March/007827.html No problems with if_bge/em, USB, etc. Here's a more useful list of drivers: http://lists.freebsd.org/pipermail/freebsd-amd64/2006-March/007758.html -- Thomas 'Freaky' Hurst http://hur.st/
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