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1997-07-13
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DOCUMENT:Q154094
TITLE :Using Iomega ATAPI Zip Drives with Windows NT
PRODUCT :Microsoft Windows NT
PROD/VER:4.0
OPER/SYS:WINDOWS
KEYWORD :kbbug4.00 kbfile kbfix4.00 kbhw ntdriver nthw NTSrvWkst
--------------------------------------------------------------------------
The information in this article applies to:
- Microsoft Windows NT Workstation version 4.0
- Microsoft Windows NT Server version 4.0
--------------------------------------------------------------------------
SYMPTOMS
========
Windows NT cannot access the disk in the ATAPI version of an Iomega Zip
drive.
CAUSE
=====
Windows NT identifies the ATAPI version of the Iomega Zip drive as a floppy
disk drive and assigns it the first available floppy disk drive letter
(usually B). This problem does not occur with the IDE version of the Iomega
Zip drive as Windows NT properly identifies it.
RESOLUTION
==========
To resolve this problem, obtain the hotfix below, or wait for the next
service pack.
This hotfix has been posted to the following Internet location:
ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40/
hotfixes-postSP3/zip-fix
STATUS
======
Microsoft has confirmed this to be a problem in Windows NT version 4.0.
A supported fix is now available, but has not been fully regression-tested
and should be applied only to systems experiencing this specific problem.
Unless you are severely impacted by this specific problem, Microsoft
recommends that you wait for the next Service Pack that contains this fix.
Contact Microsoft Technical Support for more information.
MORE INFORMATION
================
The simplest way to tell the difference between the IDE and ATAPI versions
of the Zip drive is the fact that the IDE version works under Windows NT,
while the ATAPI version does not work without the hotfix. You can also
determine the type of Zip drive by examining the following registry key:
HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\Scsi\ScsiPort0\ScsiBus0
\Target ID X\Logical Unit ID 0
NOTE: The Target ID is 1 or 2 for devices on the primary EIDE channel
and 3 or 4 for devices on the secondary EIDE channel.
In this key you see an Identifier value which includes information on the
device such as the manufacturer, model number, and firmware revision. IDE
and ATAPI Zip drives have identical information in this value except the
firmware revision has a different format depending on the drive type:
- The ATAPI drive firmware appears in the following format (note that the
letter follows the number):
IOMEGA ZIP 100 23.D
- The IDE firmware number has the opposite format (note that the letter
precedes the number):
IOMEGA ZIP 100 B.29
Additional query words: 4.00 prodnt
============================================================================
THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.