From owner-freebsd-bugs  Sat May 16 03:14:03 1998
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Message-Id: <199805161005.DAA21514@hub.freebsd.org>
Date: Sat, 16 May 1998 03:05:08 -0700 (PDT)
From: Neil.Kefford@airservices.gov.au
To: freebsd-gnats-submit@FreeBSD.ORG
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Subject: kern/6652: QIC80 Tape drive (ft0) not probed using embedded FDC on Pentium m/b
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>Number:         6652
>Category:       kern
>Synopsis:       QIC80 Tape drive (ft0) not probed using embedded FDC on Pentium m/b
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          support
>Submitter-Id:   current-users
>Arrival-Date:   Sat May 16 03:10:01 PDT 1998
>Last-Modified:
>Originator:     Neil Kefford
>Organization:
-
>Release:        2.2.6 (Also verified on .2 and .5)
>Environment:
-
>Description:
When using a Colorado Jumbo 250 tape drive (QIC 80) on a 486 with a 
multi I/O card (HDD,FDD,COM etc) the device probe at boot detects the 
drive as device ft0. On switching to a Pentium m/b with embedded controller
the device is not detected. The DOS TAPE.EXE detects the tape drive in
either configuration. If I disable the embedded FDD controller and install
a separate controller card, the drive *is* detected!
There must be something different about the embedded controller!
FreeBSD cannot probe it on this controller, but TAPE.EXE can find it.
>How-To-Repeat:
M/B is a Gigabyte GA586 HX (although I suspect any pentium m/b will do it)
Boot with tape drive connected to embedded controller and compare to boot
with separate controller.
>Fix:
Install a separate controller card just for the floppy and tape drive!
>Audit-Trail:
>Unformatted:

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