H014469 - SYSTEM HANG DURING IPL w/3COM 3C509B ADAPTER                       
                                                                                
                                                                                
                                                                                
SYMPTOM:                                                                        
The IBM PC 360-S200 6598 system may exhibit a system hang                       
condition during IPL with a 3Com 3C509B Etherlink III adapter                   
and an Adaptec PCI SCSI adapter installed.                                      
                                                                                
When attempting to boot the PC 360 6598 with the "Boot Prom"                    
feature installed on the 3Com adapter, the system will display                  
an error message stating:  "ROMShield Data Destroyed."                          
                                                                                
PROBLEM ISOLATION AIDS:                                                         
The "Boot Prom" feature enables the RIPL function of the 3Com                   
3C509B Etherlink III Adapter.                                                   
                                                                                
FIX:                                                                            
Remove the "Boot Prom" from the 3Com 3C509B adapter prior to                    
installing it in a PC 360-S200 6598 system.  RIPL is not                        
supported on the PC 360-S200 with the 3Com 3C509B Etherlink III                 
adapter.                                                                        
                                                                                
                                                                                
3Com 3C509B Etherlink Adapter III is a trademark of the                         
3Com Corporation.