Technical Document # - 1173746
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Family: Operating Systems
Product: OS/2 Warp
Release: 3.0
Syslevel: XR03000

Last Updated: 01/15/1998
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TITLE

Error during OS/2 Warp Installation: Unable to Operate Hard Disk or Diskette Drive

DESCRIPTION

During installation of OS/2 Warp, the following error message is received:

 
OS/2 is unable to operate the hard disk or diskette drive.

RESOLUTION

Note: Make sure you have a backup of any file you intend to change.

* There could be an incompatibility between OS/2 and the system
  diskette-drive or hard-disk-drive controller:

 1. Edit the CONFIG.SYS file on the diskette or hard disk
    from where you are starting OS/2.

 2. Find the statements with
BASEDEV=filename.ADD and change
     them to:

        REM BASEDEV=filename.ADD

 3. Be sure the following statements are in the file (
x is 1
     for non-Micro-Channel systems, and 2 for Micro Channel
     systems):

       
BASEDEV=IBMxFLPY.ADD
       
BASEDEV=IBMINT13.I13
       
BASEDEV=OS2DASD.DMD
       
BASEDEV=OS2SCSI.DMD

   
Note: OS2DASD.DMD is needed for IDE and SCSI hard disks.
         
OS2SCSI.DMD is needed for SCSI hard disks only.

* A diskette-drive or hard-disk-drive controller might have an
 additional device, such as a tape backup, scanner, network
 card, or modem, attached to it:

 Disconnect the additional devices, if possible.

* An interrupt request (IRQ) level conflict might exist between

  the diskette-drive or hard-disk-drive controller and other
  installed devices:

 Change IRQ levels to eliminate conflicts.

* The hard-disk partition where you are installing OS/2 is
 compressed with a DOS data-compression program:

 Use the data-compression program to uncompress the partition;

  then restart the installation procedure.

* Traps usually are symptoms of software-related problems. When

  you have reviewed software symptoms, consider a hardware cause
  relating to caches and memory such as:

 - If the computer has an 80486 microprocessor, it might

    require faster RAM chips (60 ns or 70 ns).

 - There might be a problem with the external (level-2) CPU
   memory cache or main memory system on ISA or EISA systems.

    From setup or diagnostics diskettes, or from the built-in
    BIOS Setup program, try disabling all shadow RAM and external
    (level-2) CPU memory cache.

   If problems persist during the installation of OS/2 after

    trying this step, turn off the turbo switch, if available,
    disable caching during installation, and try again.



Document Info

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