README
FUJITSU LIMITED
JANUARY 13 1995

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Installation guide for 3.5 inch MO device driver for OS/2:

1. Confirm that OS/2 version 2.1 or higher is installed.

2. Startup th OS/2 system.

3. Select OS/2 window-view or OS/2 fullscreen-view

4. Insert flopppy disk in drive A:.

5. Type 'DDINSTAL'.
   Follow the instruction.
   DDINSTAL is the standard device-driver installer program of OS/2.

   OR

   Double clic the icon of 'Inatall drivers'
   Select MO device driver.
   Follow the instruction.

6. Re-start the OS/2 system.


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How DDINSTAL change your system configuration:

1. Copies the following files from floppy to hard disk.
   C:\OS2\MODISK.SYS        <--- MO device driver
   C:\OS2\MOFORMAT.EXE      <--- MO formatter

2. Adds the following lines in CONFIG.SYS
   DEVICE=C:\OS2\MODISK /R1
   BASEDEV=OS2ASPI.DMD


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Option switches for device driver

1. Reserve drives
   Syntax: /Rn
           where n should be the number between 1 to 16.
   Explanation: Default logical drives for each physical drive.
   Example: /R3
            This means the number of reserve drives is 3.

2. Priority switch
   Syntax: /S
   Explanation: Specification of /R will be effective logical drives prior to the number of DOS partitions on the media.
   If no /S is specified, the larger one between the number specified in /R and the number of DOS partitions on the media will be effective logical drives. 
   Example:   /S /R3
              This means the logical drives is always 3, whenever the media has more than 4 DOS partitions.

3. Drive ID specification
   Syntax: /I {l:}m{[n]}{+{l:}m{[n]}}       { } means the specification is optional
            l: host adapter number(0-9)
            m: SCSI-ID(0-6)
            n: reserve drives for the device specified.
   Explanation: Specifies physical drives which will be mounted.
   Example: /I0:3[2] 
            This means that only the drive of (HA:ID)=(0:3) is mounted with reserve drives=3.


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The peripheral device type of the drive:

  The peripheral device type of the drive should be 7(Optical drive).
  In case that the peripheral device type is 0(Disk), the drive will be mounted by the system device driver(OS2DASD.DMD) automatically.

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Formatting:

There are two ways to format the MO media under control of MODISK.SYS.
1. Run MOFORMAT.EXE
   Volume format structure of SuperFoppy type or NSR type can be selected.
   Long-foratting(low-level formatting or physical formatting) is also available.

2. Run system standard formatter.
   Select drive under control of MODISK.SYS.
   Then select format option in a standard way.


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NOTES:

1. MO device driver 'MODISK.SYS' uses OS2ASPI.DMD.
   The installer assumes that OS2ASPI.DMD is in the system drive(C:\OS2).

2. MODISK.SYS uses the character device name 'MO-DISK$'.
   'MO-DISK$' will not be able to be used as a file name.
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