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1996-10-25
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OSDIFPER - DISKETTE-DRIVE ERRORS WITH PS/VALUEPOINT AND OS/2 2.1
01/17/96
=======================================================================
Diskette-Drive Errors with PS/ValuePoint and OS/2 2.1
=======================================================================
Please Read Entire Document for Full Explanation of Procedures
--------------------------------------------------------------
DESCRIPTION
A PS/ValuePoint with an IBM 5250 Emulation adapter running in a DOS
environment, might experience diskette-drive access failures. The error
message states "Drive not ready" or "Error reading from or writing to
drive A." The PS/ValuePoint diagnostic tests do not indicate a failure.
The system is using one of following:
* IBM PC Support/400 Version 2.11 or later.
* IBM Enhanced 5250 Emulation Program Version 2.2 or later
RESOLUTION
Note: Make sure you have a backup of any file you intend to change.
The diskette-drive failures are caused by an interrupt conflict between
the 5250 adapter and the diskette-drive controller.
IBM PC Support/400 Version 2.11 or Later
----------------------------------------
1. Change to the PC Support directory. The default is C:\PCS.
2. Edit the batch file used to start PC Support. The default is
STARTPCS.BAT.
3. Change the line that starts with E5250AH to start with E5250AH /Lx
(x can be 3, 6, or 7, but try 3 first).
4. Save and exit the file.
5. Restart the system; then restart PC Support.
IBM Enhanced 5250 Emulation Program Version 2.2 or Later
--------------------------------------------------------
1. Use the Advanced Options function in the 5250 emulation package to
access the E5250 configuration program.
2. Change the interrupt to 3. (The configuration program allows 3, 6,
or 7, but try 3 first.)
There is no switch setting on the card that will eliminate the
diskette-drive access failures.
Non-IBM software and hardware might exhibit similar symptoms. Modify
the interrupt settings for the non-IBM configuration to isolate a
potential conflict.
If you still have the problem after trying the procedures, check or
replace media and perform problem determination procedures.
______________________________________________________________________
IBM disclaims all warranties, whether express or implied, including
without limitation, warranties of fitness and merchantability with
respect to the information in this document. By furnishing this
document, IBM grants no licenses to any related patents or copyrights.
Copyright (c) 1994, 1995 IBM Corporation. Any trademarks and product
or brand names referenced in this document are the property of their
respective owners. Consult your product manuals for complete trademark
information.