http://www-307.ibm.com/pc/support/site.wss/MIGR-4YQKLQ.html makes reference to a test program for DOS which might be useful in tracking down whether this is a hardware issue or not.
http:// www-307. ibm.com/ pc/support/ site.wss/ MIGR-4YQKLQ. html makes reference to a test program for DOS which might be useful in tracking down whether this is a hardware issue or not.