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README.CD
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1992-01-10
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January 10, 1992
This is a preliminary release of the Always Technology CD-ROM
driver. The driver may have bugs and/or deficiencies. Please
follow the instructions below for installation. If you have any
difficulties or suggestions, please let us know.
This release of the driver does not support audio, except on the
Sony CDU-541 and Chinon CDS-541. Audio support for additional
drives is in the works.
Please check with the Always BBS for updates to this driver. The
Always BBS can be reached at (818) 597-0275. This driver has
been tested with the following drives:
Sony CDU-541; Chinon CDS-431; Toshiba XM-3201B
NEC CDR-36
Additionally, customers have reported success using this driver
with other CD-ROM drives.
Attach the CD drive to your system, as described in the
installation guide. Pay particular attention to avoid SCSI ID
conflicts, and to bus termination. The drive must be attached
and powered on when the driver is loaded, in order to access the
drive.
Using CD-Roms under DOS requires two separate "drivers". The
first driver is the adapter interface, (CDROM.SYS) included on
this disk. The other "driver" is the Microsoft CD Extensions
(MSCDEX.EXE), and is supplied by your drive manufacturer.
To install the driver, add the following line to your system's
CONFIG.SYS file:
DEVICE=C:\CDROM.SYS [/D:name]
Note that the parameter /D:name is optional, and allows you to
assign a different name to the driver. The default name is
"ALWAYSCD". The name assigned is used later when loading MSCDEX
to identify a driver to the MSCDEX utility. After adding the
above line, you must re-boot your system for the change to take
affect.
When the driver is loaded by DOS, a message will be displayed,
giving the driver name and version. The number of CD-Rom drives
found will then be displayed. If the driver states that no
drives have been found, verify the installation, and check that
power to the drive is on. After correcting the problem, re-boot
the machine. The drive must be found at boot time and reported by
the driver to be usable.
Once the system is running, and a DOS prompt is displayed, you
must load the Microsft CD Extensions (MSCDEX). At the DOS
prompt, type the following line:
MSCDEX /D:ALWAYSCD
If you changed the default driver name (using the /D:name option)
in your CONFIG.SYS file, use the same name here, in place of
"ALWAYSCD".
MSCDEX will display the drive letter(s) assigned to your ROM
devices. Use those letters as you would any other drive letter
under DOS. MSCDEX has a number of options for controlling data
buffering, which will enhance performance. See the MSCDEX
documentation for more details.
HISTORY: Date Version Comment
920110 Beta 0.5 Some audio support for Chinon
CDS-431
Fixed bug where drive was not seen
in combination with certain other
devices
910916 Beta 0.4 Fixed hang problem when no IN-2000
installed
Support for NEC CDR-35
910910 Beta 0.3 Audio support for Sony CDU-541.
Chinon CDS-431