IBM-AUSTRIA - PC-HW-Support    30 Aug 1999

Enhanced IDE Hard Disk Drive - Correcting Hardware Problems

1.  Use the following procedures to check the cable connections and the jumper settings.
   1.  Turn off the computer.
   2.  Unplug the cables from the power outlets for the computer and all attached devices.
   3.  Remove the computer cover and disconnect the IDE cable from the drive.
   4.  Verify that the colored wire is connected to pin 1 on the drive connector and is the closest wire to the 4-pin power  connector.
       Some connectors are keyed and will only fit one way. Do not force the connector onto the pins.
       If the connector does not seem to fit, recheck the orientation of the cable connector to the drive connector, and try again.
   5.  Check the configuration jumper setting on all devices on all IDE ports. For more information about the jumper settings,  refer to the Enhanced IDE Hard Disk Drive User's Guide Supplement
   6.  Verify that the power cable is correctly attached to the drive.
   7.  Replace the computer cover.
   8.  Reconnect the power cord to the computer.
   9.  Restart the computer.

    If the problem does not happen again, go back to Preparing the Drive for Use, to restart the preparation process.
    If the problem happens again, continue with step 2.

2.  Check for a conflict with another device and restart the computer with only the new hard disk drive connected.
   1.  Turn off the computer.
   2.  Unplug the cables from the power outlets for the computer and all attached devices.
   3.  Remove the computer cover and disconnect all devices from the IDE ports.
   4.  Connect the new hard disk drive as the master drive on the primary IDE port.
       You might have to reset the configuration jumper.
       (The Enhanced IDE Hard Disk Drive User's Guide Supplement lists the drive's jumper settings.)
   5.  Replace the computer cover.
   6.  Recheck all external cables.
   7.  Restart the computer and check the drive size reported by the configuration-setup program.  If the drive is not detected at all, go to step 4.  If the hard disk drive is now correctly detected, you have an incompatibility problem.
   8.  To isolate an incompatibility problem, try the following:
       Refer to the user's guides for the attached devices.
       Use the Disk Manager  Online Manual for information about jumper settings for hard disk drives from other manufacturers.
       To open the Disk Manager  Online Manual, go to the x: prompt (where x is the drive letter of the diskette or CD-ROM)  on DOS, insert the DiskGo!  diskette or CD-ROM, type dm/h, and press Enter.
       If the conflicting device is a hard disk drive that is not an IBM product, contact the drive manufacturer.  See 'Step 5. Placing the Call to Hard Disk Drive Manufacturers' on page 3-15 in the paper User's Guide, for a list of drive manufacturers.
       When you have corrected the incompatibility problem, go back to Preparing the Drive for Use.
       to complete the disk drive preparation process.
   9.  If the drive is detected, but the drive capacity is not correctly reported,  you will need to address a BIOS limitation on the computer that prevents it from recognizing the full capacity of the  drive. For more information, continue with Overcoming BIOS Limitations.
   10.  If the computer still seems to lock up or hang, you might need to use a special jumper setting to overcome a BIOS limitation on  the computer. For more information, refer to the Enhanced IDE Hard Disk Drive User's Guide Supplement.

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