H135198 - 32-Bit Disk Access Errors w/CDROM Installed                        
                                                                                
                                                                                
                                                                                
 SYMPTOM:                                                                       
 IBM PC 700 Series 6877 & 6887 systems may exhibit random 32-Bit                
 Disk Access errors using Microsoft Windows for Workgroups 3.11                 
 with a CDROM drive installed.                                                  
                                                                                
 PROBLEM ISOLATION AIDS:                                                        
 The drive configuration of the 6877/6887 consists of an IDE                    
 hardfile on the Primary port as MASTER and an IDE CDROM drive                  
 on the Primary port as SLAVE.  No other drives installed.                      
                                                                                
 When 32-Bit Disk Access is enabled in Windows for Workgroups,                  
 and commands are sent to the IDE hardfile, the CDROM drive may                 
 attempt to respond, causing 32-Bit Access errors.                              
                                                                                
 FIX:                                                                           
 Disable Windows for Workgroups 32-Bit Disk Access.                             
  - OR -                                                                        
 Remove the CDROM drive from the Primary IDE port connector and                 
 install it on the Secondary IDE connector on the system board.                 
 Set the jumper on the IDE CDROM for MASTER.                                    
                                                                                
                                                                                
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