Date: Tue, 13 Apr 1999 22:58:45 +0200 (CEST) From: Soren Schmidt <sos@freebsd.dk> To: vallo@matti.ee Cc: freebsd-current@FreeBSD.ORG Subject: Re: ATA disks can do command queueing? Message-ID: <199904132058.WAA06683@freebsd.dk> In-Reply-To: <19990413231447.A14761@matti.ee> from Vallo Kallaste at "Apr 13, 1999 11:14:47 pm"
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It seems Vallo Kallaste wrote: > Hello ! > > Recently installed March 12 -current snapshot and compiled kernel > with new IDE subsystem. I see interesting lines in dmesg: > ad1: 16 secs/int, 31 depth queue, DMA mode > Does it mean that new ATA disks can queue up commands (something > similar to SCSI disks?)? I feel like I heard something in the > -current list lately but I'm not sure... Yep that is exactly what it means, however the driver in -current doesn't take advantage of it yet, but its on my TODO list. The reason why I put in this verbosity, is so I can get a hint to which drives support it, and it seems IBM are on of the few that does. -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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