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             IBM Netfinity 3500 IDE Bus Master OS/2

                 DEVICE DRIVERS INSTALLATION    (V4.01)

                         README FILE
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This file contains procedures for installing from diskette the device drivers to support
IDE device drivers on OS/2  WARP V3.x and WARPV4.x.

The device drivers replace the standard IDE drivers on your system and have the same
driver names. You should back up your current versions should you have
problems that require you to return to that version.

This driver includes support for PIIX4 chip, ATA-33 (Ultra DMA) mode, and
large drives (> 128 heads).


+-- IMPORTANT---------------------------------------------------------+

     These drivers are not supported on versions prior to WARP 3.0.

+---------------------------------------------------------------------+

This file contains the following topics:

       1.0  PRODUCT OVERVIEW

       2.0  INSTALLING OS/2 WARP IDE DEVICE DRIVERS
          2.1 Installation Method 1
          2.2 Installation Method 2

       3.0  TRADEMARKS





1.0  PRODUCT OVERVIEW
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These drivers replace standard drivers of your earlier version of WARP. The
CDROM driver does not need to be installed unless your system contains a
CDROM drive. These drivers provide SMART support that can be utilized by
other IBM products to monitor your hard drives for potential failures. SMART
is part of the IDE hard drives supplied with your system from IBM. This
technology resides in the hard drive and the status can be requested by
monitoring applications. This driver supports the ability of applications to
monitor the hard files that are SMART capable.


You will need to check the drivers after installation of service packs and
CDROM support diskettes. These installation programs may update drivers with
prior versions of these drivers. If you use installation method 2, you should
verify that older versions of these drivers are not placed in the root
directory of your OS/2 drive. Drivers located in the root will be loaded at
boot time rather than the versions located in the OS2/BOOT directory.



2.0   INSTALLING OS/2 WARP IDE DEVICE DRIVERS
_____________________________________________

The Installation of these drivers require you to copy them to the OS/2 boot
partition of your hard drive. You should be careful to retain a backup copy
of your current version of these drivers. The drivers can be installed in
two ways. This procedure requires that you already have IDE support
installed on OS/2.

2.1 Installation Method 1
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To install the device driver using method 1:

(1) Locate the current OS/2 partition on your hard drive. This is usually
    C: and will contain the OS/2 sub-directory.

(2) Copy the driver files onto your hard drive in the root directory.
    There are two drivers involved. There function is :

    IBM1S506.ADD  :  base driver for IDE devices (should always be copied)
    IBMIDECD.FLT  :  CD-ROM driver support. (The version on this diskette
                     requires use of the IDE driver above).

    The drivers in the root directory are discovered and loaded prior to
    looking in the OS/2 BOOT sub-directory.


(3) The entries should already be in config.sys, and you should reboot your
    system to load the new drivers.



2.2 Installation Method 2
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To install the device driver using method 2:

(1) Locate the current drivers on your OS/2 hard drive. You can use the
    following command :

        dir \ibm1s506.add /s

    The command will show you the sub-directory on your hard drive where
    the driver may be updated. (Remember to make a backup copy of your
    old driver.)

(2) Copy the driver files onto your hard drive in the sub-directory where
    the previous version was found. There are two drivers involved. There
    function is :

    IBM1S506.ADD  :  base driver for IDE devices (should always be copied)
    IBMIDECD.FLT  :  CD-ROM driver support. (The version on this diskette
                     requires use of the IDE driver above).

(3) The entries should already be in config.sys, and you should reboot your
    system to load the new drivers.


3.0 TRADEMARKS
_________________

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United States or other countries or both:

IBM
OS/2


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