Date: Fri, 30 May 2003 10:25:18 -0700 From: Rich Morin <rdm@cfcl.com> To: freebsd-questions@freebsd.org Subject: Re: Boot problem: "ata0: resetting devices" Message-ID: <p05200f2dbafd43e0d7ce@[192.168.254.205]> In-Reply-To: <200305301004.39445.kstewart@owt.com> References: <p05200f16bafb423c7331@[192.168.254.205]> <200305300729.41685.kstewart@owt.com> <p05200f2abafd3ad5b917@[192.168.254.205]> <200305301004.39445.kstewart@owt.com>
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At 10:04 AM -0700 5/30/03, Kent Stewart wrote: >No, you didn't understand. The ATA cards appear like a scsi to the bios. >To boot from an add in ATA card, you have to choose scsi boot. I'll look into this. However, I haven't seen any way to request this in the SETUP screens. Anything I should look for? >You lose a lot of speed. My new ATA cards are all UDMA-133. Dma transfers are >always faster. PIO is set at something like 16MB/s. You only get so many >milliseconds of time for a each transfer block and dma is always faster. So, it's definitely worth pursuing. -r -- email: rdm@cfcl.com; phone: +1 650-873-7841 http://www.cfcl.com/rdm - my home page, resume, etc. http://www.cfcl.com/Meta - The FreeBSD Browser, Meta Project, etc. http://www.ptf.com/dossier - Prime Time Freeware's DOSSIER series http://www.ptf.com/tdc - Prime Time Freeware's Darwin Collection
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