Date: Tue, 03 Jun 1997 09:58:58 -0600 From: "Justin T. Gibbs" <gibbs@plutotech.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: toor@dyson.iquest.net (John S. Dyson), hackers@FreeBSD.ORG Subject: Re: DMA for IDE drives ? Message-ID: <199706031502.JAA04331@pluto.plutotech.com> In-Reply-To: Your message of "Tue, 03 Jun 1997 12:41:14 %2B0200." <199706031041.MAA25969@labinfo.iet.unipi.it>
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Do the newer IDE drives support any concept similar to tagged queueing? Perhaps via EATA? Supporting DMA is only half the battle in my mind as you won't get anywhere near the throughput of a SCSI drive if you can't schedule and have the drive reorder multiple transactions at a time. -- Justin T. Gibbs =========================================== FreeBSD: Turning PCs into workstations ===========================================
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