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USRGUIDE.TXT
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1993-08-04
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CD-ROM Setup User's Guide
August 4, 1993
1. If there will be only one CDROM drive on your system
2. If there will be more than one CDROM drive
3. If you are connected to a network
4. If you want to load the CDROM software into upper memory
5. If you just want to update the CDROM software files
6. If you want to verify the CM260 host adapter settings
7. If you want to use host RAM for buffers (/M option)
8. If you are using DOS 6.0.
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Section 1. If there will be only one CDROM drive on your system
If you want to use the factory settings (i.e. you have not changed the
jumpers on the CM260 host adapter), you may run Quick Setup, by pressing
F3. This will install the CDROM software on your startup disc and modify
your startup files to load the software when your system is restarted.
If you need to change the settings or the name of the directory where
Setup will install the software, run Full Setup, by pressing F4.
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Section 2. If there will be more than one CDROM drive
Run Full Setup, by pressing F4, to install the CDROM software files, but
skip editing CONFIG.SYS and AUTOEXEC.BAT, the startup files.
In the CONFIG.SYS file, Setup allows for only one active statement loading
a device driver for the CM260 host adapter, DD260.SYS. Setup allows you to
change the options settings on that line, but not to add another. To access
more than one CM260 host adapter, you must set the jumpers on each adapter
to a unique port and a unique IRQ, and then you must edit the CONFIG.SYS
file to add a "DEVICE=" statement for each adapter. Use the /P and /I switch
options to assign each copy of the driver to a specific adapter, and use the
/D option to assign each a unique tag name. Setup does not install any device
driver other than DD260.
In the AUTOEXEC.BAT file, Setup allows for only one /D:tag_name switch in
the statement which loads the Microsoft CDROM Extensions program, MSCDEX.EXE.
Setup allows you to change the tag name, but not to add another. To access
more than one CDROM drive thru MSCDEX, you must edit the AUTOEXEC.BAT file
to add a /D switch for each device driver you have loaded. Drive letters
will be assigned by tag names from left to right.
For example, to access two CM260 adapters and one generic adapter, in the
CONFIG.SYS file :
DEVICE=C:\CDROM\DD260.SYS /P:340 /I:3 /D:MSCD001
DEVICE=C:\GENERIC\GENERIC.SYS /D:MSCD002
DEVICE=C:\CDROM\DD260.SYS /P:330 /I:6 /D:MSCD003
and in the AUTOEXEC.BAT file :
C:\CDROM\MSCDEX /L:G /D:MSCD003 /D:MSCD001 /D:MSCD002
The drive attached to the CM260 host adapter set for port 340 and IRQ 3 is
drive H, the drive on the other CM260 is drive G, and the generic drive is
drive I.
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Section 3. If you are connected to a network
You may use Setup to install the CDROM software files and to edit your
startup files. Before restarting your system, you must edit your
AUTOEXEC.BAT file to move the statement that loads the Microsoft CDROM
Extensions program, MSCDEX.EXE, so that it is after any statements that load
network software and before any that load an operating environment (e.g.
DOSSHELL or Microsoft Windows). The network software will not install
properly if MSCDEX is installed first.
It is recommended that your network administrator inspect the changes
Setup makes to your startup files.
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Section 4. If you want to load the CDROM software into upper memory
The device driver for the CM260 host adapter, DD260.SYS, has been
successfully tested with the DEVICEHIGH= feature of DOS 5.0 and D)S 6.0,
which can be used to load device drivers into upper memory. Please refer
to your DOS manuals for instructions on using DEVICEHIGH=. You will need
to edit your CONFIG.SYS file to make this change. The DD260.SYS driver
has not been tested with other, similar software.
The Microsoft CDROM Extensions program, MSCDEX.EXE, cannot be loaded
into upper memory. The /E switch asks MSCDEX to allocate expanded memory
for its buffers only.
---------------------------------------------------------------------------
Section 5. If you just want to update the CDROM software files
Run Full Setup, by pressing F4. After the files have been copied, you
can skip editing the startup files, CONFIG.SYS and AUTOEXEC.BAT, keeping
your current startup settings.
---------------------------------------------------------------------------
Section 6. If you want to verify the CM260 host adapter settings
The CM260 host adapter and the CDROM drive must be installed before
running this test.
Run Verify Setup, by pressing F5. This will try to access the CDROM
drive using the settings for port and IRQ from the DEVICE= statement that
was added to the CONFIG.SYS file. If you have not edited the CONFIG.SYS
file during this run of Setup, Verify Setup will use the factory settings.
If Verify Setup fails:
1) check that the settings match the jumpers on the host adapter,
2) check that no other expansion boards use those settings, and
3) check that all cables are properly installed.
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Section 7. If you want to use host RAM for buffers (/M option)
Both MSCDEX and DD260 allow you to allocate space in host RAM, your
computer system's main memory, for buffers. In both cases, the number of
buffers is given by an option switch, /M. MSCDEX will keep directory
information in its buffers. DD260 uses the buffers to read ahead.
Allocating more buffers will usually improve performance, but at the cost
of increasing the memory used by these programs.
It is recommended that you accept the defaults offered. These settings
will give good performance on most systems for most applications.
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Section 8. If you are using DOS 6.0.
DOS 6.0 contains a compatible copy of MSCDEX.EXE. The version of the
Microsoft CDROM Extensions program, MSCDEX.EXE, which is included on this
distribution disk is NOT compatible with DOS 6.0 - do not install it. SETUP
will automatically use the DOS 6.0 version if it finds that the DOS version
is 6.0.
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Copyrights
DD260.SYS, SETUP.EXE, USRGUIDE.TXT
(c) copyright 1991,1992,1993 Laser Magnetic Storage International
SETUP.EXE
portions (c) copyright 1991 Borland International
MSCDEX.EXE
(c) copyright 1986,1987,1988,1989,1990,1992 Microsoft Corporation