DOCUMENT:Q122644 08-AUG-2001 [winnt] TITLE :Incorrect Number of Drives Appear for Pioneer DRM-600 PRODUCT :Microsoft Windows NT PROD/VER: OPER/SYS: KEYWORDS: ====================================================================== 3.10 3.50 WINDOWS kb3rdparty ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 3.1 - Microsoft Windows NT Workstation version 3.1 - Microsoft Windows NT Advanced Server, version 3.1 - Microsoft Windows NT Workstation version 3.5 - Microsoft Windows NT Server version 3.5 ------------------------------------------------------------------------------- SYMPTOMS ======== When you use a Pioneer DRM-600 Multi-CD player that holds 6 compact discs (CDs) in Windows NT, 8 CD-ROM drives appear in File Manager. CAUSE ===== This problem occurs due to older firmware versions of the Pioneer DRM-600 Multi-CD player not returning a status byte of 7Fh for device 6 and 7h. When Windows NT queries the SCSI chain looking for valid devices, it examines the status byte returned from each SCSI device it addresses. If the device returns a status byte of 7Fh, Windows NT considers it as an invalid device and does not create a Registry entry for it. RESOLUTION ========== To correct this problem, call Pioneer Technical Support at (800) 872-4159 to obtain the latest firmware revision for the Pioneer DRM-600 Multi-CD player. Pioneer Technical Support recommends that you upgrade the firmware to at least Revision 804. Revision 806 is the latest firmware revision and order number is Pioneer P/N DRM-600UPG. The Pioneer product discussed here is manufactured by Pioneer Electronics Inc., a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding the product's performance or reliability. Additional query words: prodnt 3.10 ====================================================================== Keywords : Technology : kbWinNTsearch kbWinNTWsearch kbWinNT350search kbWinNTW350 kbWinNTW350search kbWinNTW310 kbWinNTSsearch kbWinNTS350 kbWinNTS310 kbWinNTAdvSerSearch kbWinNTAdvServ310 kbWinNTS350search kbWinNTS310search kbWinNT310Search kbWinNTW310Search ============================================================================= 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. Copyright Microsoft Corporation 2001.