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Date:      Wed, 3 Mar 1999 21:50:33 +0100
From:      Nicolas Souchu <nsouch@teaser.fr>
To:        =?iso-8859-1?Q?S=F8ren_Schmidt?= <sos@freebsd.dk>
Cc:        current@FreeBSD.ORG
Subject:   Re: CALL FOR TESTERS of new ATA/ATAPI driver..
Message-ID:  <19990303215033.47794@breizh.teaser.fr>
In-Reply-To: =?iso-8859-1?Q?=3C199903012121=2EWAA82163=40freebsd=2Edk=3E=3B_from_S=F8?= =?iso-8859-1?Q?ren_Schmidt_on_Mon=2C_Mar_01=2C_1999_at_10=3A21=3A05PM_%2B0?= =?iso-8859-1?Q?100?=
References:  <199903012121.WAA82163@freebsd.dk>

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On Mon, Mar 01, 1999 at 10:21:05PM +0100, Søren Schmidt wrote:
>
>
>Finally!!
>
>The much roumored replacement for our current IDE/ATA/ATAPI is 
>materialising in the CVS repositories around the globe.
>
>So what does this bring us:
>
>A new reengineered ATA/ATAPI subsystem, that tries to overcome
>most of the deficiencies with the current drivers.
>
>It supports PCI as well as ISA devices without all the hackery 
>in ide_pci.c to make PCI devices look like ISA counterparts.

What would you think of parallel port devices? Would it be easy
to make the new ATAPI stuff work with ppbus? I especially think
about the HP7200 CD-RW which has certainly hard real-time constraints
to burn a CD.

>
>It doesn't have the excessive wait problem on probe, in fact you
>shouldn't notice any delay when your devices are getting probed.
>
>Probing and attaching of devices are postponed until interrupts
>are enabled (well almost, not finished yet for disks), making
>things alot cleaner.

Really good work. I'll give it a try this week-end.

-- 
nsouch@teaser.fr / nsouch@freebsd.org
FreeBSD - Turning PCs into workstations - http://www.FreeBSD.org


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