Date: Thu, 16 Dec 2004 12:35:20 +0300 From: "Andrew P." <infofarmer@mail.ru> To: questions@freebsd.org Subject: FreeBSD, big hard drives and DMA Message-ID: <41C156D8.1070209@mail.ru>
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Hello! I have a freebsd box with an (in)famous Abit BE6-II board. It has a built-in HPT controller in addition to a general one (440BX chipset). The HPT handles drives of any sizes, the general one handled anything up to around 120Gb. I was amazed when I tried to put a 200Gb drive on the common controller, set it to none in the BIOS and freebsd saw every single byte of it. Should I praise Soren (forgive me for my spelling) or anybody else :-)? Anyways, when I tried to copy files from another 200Gb drive which was on the HPT the speed was fairly high (15-17Mb), but kinda limited. I looked at the CPU load - and it was around 65%. I'm a freebsd novice - could somebody please tell me how to tune DMA parameters? Best wishes, Andrew P.
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