Date: Mon, 20 May 1996 11:38:04 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: hasty@rah.star-gate.com (Amancio Hasty Jr.) Cc: michaelv@HeadCandy.com, henrich@crh.cl.msu.edu, freebsd-hackers@FreeBSD.ORG Subject: Re: Funky Micron PP200 problems under 2.1 Message-ID: <199605201838.LAA28134@phaeton.artisoft.com> In-Reply-To: <199605180632.XAA01529@rah.star-gate.com> from "Amancio Hasty Jr." at May 17, 96 11:32:13 pm
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> > PCI is supposed to be capable of up to 133MB/s (~33MHz * 32-bits). > > Cough.... It has been known for a while now that the PCI chipset > on the PPro has had it shares of problems and one of them being > if memory does not fail me that writes to the PCI bus are limited > to 5MB/sec. 123MB/s is burst rate. If you kept that up continuously, you'd miss your DRAM refresh and your computer would lose it's mind. Max sustained rate is closer to 80MB/s -- enough for 6 100Mbit network cards. 8-). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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