MBF COMPANY CONFIDENTIAL FIELD INFORMATION BULLETIN

SERVICE GROUP(S): MICRO                MFG: MINISCRIBE

 NACS  TYPE(S): N068                   MFG. MODEL(S): 5 1/4 HARD DISK

CATEGORY: DISK I/O                     DESC: INTERNAL                        

                   *** TABLE OF CONTENTS AS OF 12/19/90 ***
FIB 00001.HARD DISK ERRORS WHEN RUNNING DOS 3.3.......................07/01/87
FIB 00002.MODEL 3425 SWITCH SETTINGS FOR AT...........................10/27/87


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FIB 00001                                                             07/01/87

                 *** HARD DISK ERRORS WHEN RUNNING DOS 3.3 ***

SYMPTOM: DISK READ ERRORS OR FAILURES DURING RESTORE.

PROBLEM DETERMINATION: System locks up during a RESTORE operation or experiences
read errors. Problem is caused by a BIOS time-out on error detection resulting
in a long pause that looks like a system hang.

FIX:  Reformat the drive using an interleave factor of 3 instead of 2.


ORIGINATOR: J. HILL


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FIB 00002                                                             10/27/87

                   *** MODEL 3425 SWITCH SETTINGS FOR AT ***

                                NACS  PN HD083425

WHEN INSTALLING THE MINISCRIBE MODEL 3425 HARD DISK INTO AN IBM AT OR
COMPATIBLE, CHECK THAT THE FOLLOWING SWITCH SETTINGS ARE CORRECT:
        1,2,3,4,7 ON
        5,6,8 OFF

THIS WILL SELECT DRIVE 2.
EITHER IBM ADVANCED DIAGNOSTICS OR  NACS  PC777 CAN BE USED TO FORMAT THE    
DRIVE.


ORIGINATOR: JOHN HILL


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