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Date:      Tue, 21 Nov 2000 16:17:53 -0800
From:      Lars Eggert <larse@ISI.EDU>
To:        stable@FreeBSD.ORG
Subject:   ATA_ENABLE_TAGS
Message-ID:  <3A1B10B1.4851D541@isi.edu>

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On a freshly updated 4.2-STABLE machine with an IBM DPTA drive, enabling
tagged queueing in the kernel (ATA_ENABLE_TAGS) does nothing. Does the
Intel ICH ATA66 controller not support this?

(And if only some controllers support tagged queueing, maybe this could be
indicated in the man page?

Thanks,
Lars

[larse@hbo: ~] dmesg | grep ata
atapci0: <Intel ICH ATA66 controller> port 0xffa0-0xffaf at device 31.1 on
pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
ad0: 26105MB <IBM-DPTA-372730> [53040/16/63] at ata0-master UDMA66
acd0: CD-RW <SONY CD-RW CRX140E> at ata1-master using UDMA33

[larse@hbo: ~] uname -a
FreeBSD hbo.isi.edu 4.2-STABLE FreeBSD 4.2-STABLE #0: Tue Nov 21 13:30:19
PST 2000     larse@hbo.isi.edu:/usr/obj/usr/src-idprio/sys/IDPRIO  i386
-- 
Lars Eggert <larse@isi.edu>                 Information Sciences Institute
http://www.isi.edu/larse/                University of Southern California
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