Record number:       H163849
   Device:              D/T6898
   Model:               M
   Hit count:           UHC00006
   Success count:       USC0000
   Publication code:    PC50
   Tip key:
   Date created:        O98/06/09
   Date last altered:   A98/06/18
   Owning B.U.:         USA

 Abstract:  ERRORS EXTRACTING ZIP FILES 2.0MB AND LARGER


 SYMPTOM:
 When attempting to decompress (extract) a .ZIP file 2.0MB or
 larger using PKUNZIP or other decompression utility, the
 following, or similar error messages may be displayed:

   PKUNZIP: (W15) Warning! File fails CRC check.

   PKUNZIP: (W21) Warning! File has bad table.

 The exact content and wording of the error message may differ
 depending on the decompression utility being used.

 NOTE: Depending on the decompression utility being used, the
 compressed (ZIP) file may appear to decompress without any
 errors. A decompression error may not be discovered until the
 file(s) are accessed (e.g. Running a Setup utility).

 PROBLEM ISOLATION AIDS:
 This tip applies to the following IBM IntelliStation M-Pro
 Series and Models preconfigured with a Seagate Medalist Pro
 6.4GB or 9.1GB IDE hard file and preloaded with, or running
 Windows95:

   IntelliStation M-Pro 6898-22x  6.4GB
   IntelliStation M-Pro 6898-24x  9.1GB

   IntelliStation M-Pro 6889-10x  6.4GB
   IntelliStation M-Pro 6889-11x  9.1GB
   IntelliStation M-Pro 6889-15x  9.1GB

 This tip may also apply to systems that have been upgraded
 with the following Options by IBM (OBI) hard files:

   6.4GB 7200rpm EIDE HDD P/N 01K1329 Medalist Pro ST36530A
   9.1GB 7200rpm EIDE HDD P/N 01K1330 Medalist Pro ST39140A

 FIX:
 Download and install the Seagate hard file firmware update,
 filename UPDATEBB.EXE, from the IBM BBS or Internet
 website.

 UPDATEBB.EXE may be downloaded via the Internet from the IBM
 Personal Systems Group Computer File Library by searching the
 following Internet URL:  www.pc.ibm.com/files.html

 UPDATEBB.EXE may also be obtained from the IBM Personal Systems
 Group BBS by calling 919-517-0001.

 NOTE: UPDATEBB.EXE will create a bootable diskette that will
       correctly identify and update the Seagate Medalist Pro
       hard files identified above. Booting and incorrect system
       type or model will not damage or erase data on an un-
       affected hard file.

 Windows and Windows95 are trademarks of Microsoft Corporation.
 Medalist Pro is a trademark of Seagate Corporation.

 SAS KEYWORDS:
    PSY2               PSY2FDSK           PWS                PWSFDSK
    D/T6898            D/T6889            6898               6889
    WINZIP             .ZIP               UNCLASSIFIED       QNS