397 lines
15 KiB
Groff
397 lines
15 KiB
Groff
.\"Matsushita(Panasonic) / Creative CD-ROM Driver (matcd)
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.\"Authored by Frank Durda IV
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.\"
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.\"Program and Documentation are Copyright 1994, 1995 Frank Durda IV.
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.\"All rights reserved.
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.\" "FDIV" is a trademark of Frank Durda IV.
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.\"
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.\"
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.\"Redistribution and use in source and binary forms, with or
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.\"without modification, are permitted provided that the following
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.\"conditions are met:
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.\"1. Redistributions of source code must retain the above copyright
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.\" notice positioned at the very beginning of this file without
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.\" modification, all copyright strings, all related programming
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.\" codes that display the copyright strings, this list of
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.\" conditions and the following disclaimer.
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.\"2. Redistributions in binary form must contain all copyright strings
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.\" and related programming code that display the copyright strings.
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.\"3. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in
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.\" the documentation and/or other materials provided with the
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.\" distribution.
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.\"4. All advertising materials mentioning features or use of this
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.\" software must display the following acknowledgement:
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.\" "The Matsushita/Panasonic CD-ROM driver was developed
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.\" by Frank Durda IV for use with "FreeBSD" and similar
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.\" operating systems."
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.\" "Similar operating systems" includes mainly non-profit oriented
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.\" systems for research and education, including but not restricted
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.\" to "NetBSD", "386BSD", and "Mach" (by CMU). The wording of the
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.\" acknowledgement (in electronic form or printed text) may not be
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.\" changed without permission from the author.
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.\"5. Absolutely no warranty of function, fitness or purpose is made
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.\" by the author Frank Durda IV.
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.\"6. Neither the name of the author nor the name "FreeBSD" may
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.\" be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\" (The author can be reached at bsdmail@nemesis.lonestar.org)
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.\"7. The product containing this software must meet all of these
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.\" conditions even if it is unsupported, not a complete system
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.\" and/or does not contain compiled code.
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.\"8. These conditions will be in force for the full life of the
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.\" copyright.
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.\"9. If all the above conditions are met, modifications to other
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.\" parts of this file may be freely made, although any person
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.\" or persons making changes do not receive the right to add their
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.\" name or names to the copyright strings and notices in this
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.\" software. Persons making changes are encouraged to insert edit
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.\" history in matcd.c and to put your name and details of the
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.\" change there.
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.\"10. You must have prior written permission from the author to
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.\" deviate from these terms.
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.\"
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.\"Vendors who produce product(s) containing this code are encouraged
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.\"(but not required) to provide copies of the finished product(s) to
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.\"the author and to correspond with the author about development
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.\"activity relating to this code. Donations of development hardware
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.\"and/or software are also welcome. (This is one of the faster ways
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.\"to get a driver developed for a device.)
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
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.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
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.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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.\" OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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.\" OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\"--------------------------------------------------------------------------
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.\"Dedicated to: My family and Max, my Golden Retriever
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.\"-----No changes are allowed above this line-------------------------------
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.\"
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.\" Please note any documentation updates here including your name
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.\" and the date.
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.\"<2> Text brought in sync with changes made in versions 1(17) - 1(21)
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.\" Frank Durda IV 4-Jul-95
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.\"<3> Text brought in sync with changes made in versions 1(22) - 1(25)
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.\" Frank Durda IV 24-Sep-95
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 24, 1995
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.Dt MATCD 4 i386
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.\"Synchronized to Version 1(25) of matcd.c
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.Os
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.Sh NAME
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.Nm matcd
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.Nd Matsushita (Panasonic) CD-ROM driver
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.Sh SYNOPSIS
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.Cd "device matcd[0-4] at isa? port [?| addr]"
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.Cd "/dev/[r]matcd[0-15][a|c]
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.Cd "/dev/[r]matcdl[0-15][a|c]
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.Sh DESCRIPTION
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The
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.Nm
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driver controls the CR-562-x and CR-563-x CD-ROM drives made by
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Matsushita-Kotobuki Electronics Industries, or Matsushita for short.
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These CD-ROM drives have been sold under the Panasonic (which is a trade
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name for Matsushita), Creative Labs (omniCD) and Reveal names, and have
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been included in computers made by Tandy, AST, Packard Bell and many others.
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.Pp
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These drives connect to the PC ISA bus through a proprietary host interface.
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This interface can exist as a stand-alone ISA card, or can be included on
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a sound card.
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.Sh DRIVER CONFIGURATION
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The
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.Nm
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driver supports up to four host interfaces with up to four drives on each
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interface. Audio activity may occur on all drives simultaneously. Data
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read operations are limited to one drive per host interface at any instant.
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.Pp
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To support multiple host interfaces, it is necessary to modify the
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entries in the kernel configuration file. Normally your system comes
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with the file \fI/usr/src/sys/i386/conf/GENERIC\fR. You should make
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a copy of this file and give it the name of your system.
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You can then edit the new file to include devices you want the system
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to support and delete the device entries that you don't want.
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.Pp
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In this file, you will find an entry like:
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.Bd -literal -offset indent
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device matcd0 at isa? port ?
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.Ed
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.Pp
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To support two host interfaces, change the file so it reads:
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.Bd -literal -offset indent
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device matcd0 at isa? port ?
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device matcd1 at isa? port ?
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.Ed
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.Pp
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(If you want to support up to three or four host interfaces, add
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additional entries).
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.Pp
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Note that the kernel configuration does not need to be modified to support
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up to four drives on a single host interface. It is also not necessary to
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have four drives on a single interface before adding a second interface.
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.Pp
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By default,
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.Nm
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searches for the CD-ROM host interface adapters by using a table of known I/O
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ports on Creative host adapters (see \fIoptions.h\fR). Although this
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is very flexible, it can cause problems when your system has other devices
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that are located at the I/O ports that
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.Nm
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is checking for CD-ROM host interfaces. In addition, checking multiple
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locations can cause the boot process to take longer than it could.
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.Pp
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If you are having these problems, you can solve them by explicitly specifying
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where the CD-ROM host interfaces are located. For example, by default most
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SoundBlaster cards have the Matsushita CD-ROM host interface
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located at I/O port 0x230. (This is 0x10 above the I/O port for the
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audio section of the card.) If this is the case for your system, you could
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change where the kernel looks for the hardware by using the -c option at
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the kernel boot prompt. This will load the kernel and then give you the
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opportunity to change settings for any of the devices included the kernel.
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For example, to change the I/O port for
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.Nm
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adapter zero to 0x340, you would type
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.Pp
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.Dl "config> port matcd0c 0x340"
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.Pp
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If you recompile the kernel, you can change the entry in the kernel
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configuration file to specify a specific address by changing an entry
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like this:
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.Pp
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.Dl "device matcd0 at isa? port 0x230"
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.Pp
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With this change, the
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.Nm
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driver will only look at I/O port 0x230 for the first CD-ROM host interface
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and will not disturb any other I/O ports.
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.Pp
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Once you have adjusted the kernel configuration file, it is necessary
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to configure and recompile the kernel, install it and reboot for the
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changes to take effect.
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.Sh SUPPORTED HARDWARE
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At this time, there are only two known drive models that work with the
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.Nm
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driver:
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.Bl -item -width CR-123-X -compact -offset indent
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.It
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Matsushita CR-562-x
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.It
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Matsushita CR-563-x
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.El
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Most resellers leave these original markings on the drives since the label
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also has the FCC, VDE, CSA and RU certification marks.
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.Pp
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Both of these drive models have motorized trays. There is also a custom
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version of these drives that does not have the volume control or headphone
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jack (seen on some Tandy computers), but this drive also works with
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.Nm .
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.Pp
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The Matsushita CR-522-x and CR-523-x CD-ROM drive is not usable with
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.Nm .
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The CR-522 and CR-523 can also be identified from the front as it
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requires a CD-caddy.
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.Pp
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Drives with IDE interfaces must use an IDE driver.
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.Pp
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The TEAC CD-55 4X CD-ROM drive also uses the Creative/Panasonic interface
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but the TEAC drive is \fInot\fR compatible with the Matsushita CR-56x drives.
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The TEAC drive cannot be used with
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.Nm .
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.Pp
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The most common source of host interface adapters for the Panasonic drives
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are found in products from Creative Labs, including SoundBlaster sound
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cards. There are numerous models of SoundBlaster sound cards, and most
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of the newer cards provide the appropriate interface, sometimes labeled as
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the "Creative/Panasonic" interface.
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.Pp
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The following host interface adapters are known to work with the
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.Nm
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driver:
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.Bl -tag -width LONGNAME -compact -offset indent
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.It Creative
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Sound Blaster Pro (SBPRO) (CT1330A)
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.It Creative
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Sound Blaster 16 (CT1730)
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.It Creative
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Sound Blaster 16 - cost-reduced (CT1740)
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.It Creative
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OmniCD upgrade kit adapter card - stand-alone CD (CT1810)
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.It Creative
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Sound Blaster 16 - 2-layer, cost-reduced (CT2230)
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.It Creative
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Sound Blaster 16 (Vibra16) - 2-layer, single-chip (CT2260)
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.It Creative
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Sound Blaster 16 Value (SB16) - 2-layer, cost-reduced (CT2770)
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.It Creative
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PhoneBlaster SB16 + Sierra 14.4K Voice/FAX/Data/Speakerphone modem combo (CT3100)
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.It Reveal
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(SC400)
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.El
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.Pp
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Caution: Some of these sound boards can be optionally manufactured to not
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include the Panasonic/Creative interface, so check the board before buying
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solely based on model number.
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.Pp
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This is by no means a complete list as Creative Labs and other vendors
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that produce sound cards with an identical Creative/Panasonic drive
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interface release new versions of their adapters all the time.
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.Pp
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In addition to Creative Labs adapters, adapters that are compatible with
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Media Vision, IBM and Lasermate adapters are also supported. However,
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these adapters use a wide range of I/O port addresses, so the driver
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must be reconfigured to locate these adapters.
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.Pp
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It is important to understand that some manufacturers have a different
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host interface implementation. If you have a board that won't communicate
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with the drives under MS-DOS using the genuine Creative Labs drivers, then
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.Nm
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may not work with that host adapter.
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.Sh SUPPORTED OPERATIONS
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The
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.Nm
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driver supports block and character access. Partition "a" returns
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2048-byte User Data blocks from data CDs. Partition "c" returns the full
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2352-byte Frames from any type of CD, including audio CDs. (Partition
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"c" cannot be "mounted" with cd9660 or other filesystem emulators.)
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No other partitions are supported.
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.Pp
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The
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.Nm matcdl
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devices work the same as the normal
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.Nm
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devices except that the drive trays are locked and
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remain locked until all of the devs on that drive are closed.
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.Pp
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.Nm Matcd
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accepts numerous
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.Fn ioctl
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commands, including disk and functions related to CD-ROM audio and tray
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control features. The commands are:
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.Pp
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.Bl -tag -width CDIOCREADSUBCHANNELXXX -compact -offset indent
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.It DIOCGDINFO
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get disklabel.
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.It DIOCGDPART
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get partition.
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.It DIOCWDINFO
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set update disk.
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.It DIOCSDINFO
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set disklabel.
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.It CDIOCREADSUBCHANNEL
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get sub-channel information on current status of disc playing.
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.It CDIOCREADTOCHEADER
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reads table of contents summary.
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.It CDIOCREADTOCENTRYS
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reads length and other track information.
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.It CDIOCPLAYTRACKS
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plays audio starting at a track/index and stopping at a track/index.
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.It CDIOCPLAYMSF
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plays audio starting at a particular time offset.
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.It CDIOCPAUSE
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pauses a playing disc.
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.It CDIOCRESUME
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resumes playing a previously paused disc. Ignored if the drive is
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already playing.
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.It CDIOCSTOP
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stops playing a disc.
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.It CDIOCEJECT
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opens the disc tray.
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.It CDIOCCLOSE
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closes the disc tray.
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.It CDIOCPREVENT
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blocks further attempts to open the drive door until all devices close
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or a CDIOCALLOW ioctl is issued.
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.It CDIOCALLOW
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unlocks the drive door if it was locked. This ioctl is rejected if
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any locking devices are open.
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.It CDIOCGETVOL
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returns the current volume settings of the drive.
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.It CDIOCSETVOL
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sets the volume settings of the drive.
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.It CDIOCSETSTEREO
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causes the left channel audio to be sent to the left channel output and the
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right channel audio is sent to the right channel output. This is the
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default state.
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.It CDIOCSETMUTE
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causes the audio output to be turned off. The drive continues to read
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the audio on the disc and that audio is discarded until the audio is
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turned back on.
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.It CDIOCSETLEFT
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causes the left channel audio to be sent to the left and right channel outputs.
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.It CDIOCSETRIGHT
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causes the right channel audio to be sent to the left and right channel
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outputs.
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.It CDIOCSETPATCH
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causes the audio to be routed as specified in the provided bit maps.
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.It CDIOCSETPITCH
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changes the playback speed of the audio to increase or decrease
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(as in Karaoke).
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.It CDIOCCAPABILITY
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report the capabilities of the drive and driver.
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.El
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.Pp
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The
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.Fn ioctl
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commands defined above are the only ones that the
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.Nm
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driver supports.
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.Sh FILES
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.Bl -tag -width /dev/(r)matcd0a_/dev/(r)matcdl0a -compact
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.It Pa /dev/[r]matcd0a /dev/[r]matcdl0a
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is used to access 2048-byte blocks of data on a CD-ROM disc
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that is recorded in the Mode 1 Form 1 format.
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.It Pa /dev/[r]matcd0c /dev/[r]matcdl0c
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is used to access 2352-byte frames on a CD-ROM disc
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recorded in any format.
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.It Pa /usr/src/sys/i386/isa/matcd/*
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Source code and compilation options for
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.Nm .
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.El
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.Pp
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The file \fIoptions.h\fR contains all of the compilation options.
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By default, the driver is configured to run on the current version of
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.Fx .
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.Sh NOTES
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The Creative/Panasonic interface does not use interrupts or DMA
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although the drives themselves are capable of using both.
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.Pp
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If the disc tray is opened while one or more partitions are open, further
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I/O to all partitions on the drive will be rejected until all partitions
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are closed.
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.Pp
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There must be a drive on each host interface that is addressed as
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physical drive 0. If this isn't the case, the driver will be unable
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to find the host interface or any of the connected drives.
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.Pp
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Drives on a second host interface start are considered logical
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drives 4-7, 8-11 on the third interface and 12-15 on the fourth.
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.Pp
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The first drive on the second host interface is logical drive 4 regardless
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of how many drives are present on the first host interface.
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.Pp
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Host interfaces are numbered in the order they are declared in the
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kernel configuration file, or in the order they are found if the kernel
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configuration file uses "?" for the port address. Host interface
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numbers are always contiguous.
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.Sh SEE ALSO
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.Pa /usr/include/sys/cdio.h
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.Sh AUTHORS
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The driver and documentation was written by
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.An Frank Durda IV .
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.Pp
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Program and Documentation are Copyright 1994, 1995,
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All rights reserved.
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.Sh HISTORY
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The
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.Nm
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driver appeared in
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.Fx 2.0.5 .
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