WHAT DOES IT TAKE TO WRITE CUSTOM CODE TO COMMUNICATE TO A OEM CHANNEL DEVICES ATTACHED TO BLOCK MUX CHAN ADAP

ITEM: RTA000025569



                                                                                
                                                                                
                                                                                
QUESTION:                                                                       
I have a customer who manufactures S/370 channel attached devices               
that look to a S/370 as a channel attached 3211 printer. He wants               
to enable these devices on the RISC/6000 by attaching them to                   
the RS/6000 via Block Mulitplexor Channel Adapter. I understand that            
some custom coding on his part is involved.  I see in the                       
salesmanual entry that there is an "API" available for the adapter.             
Could the customer use this API to code the communications? What                
information is available to help him size this effort?                          
                                                                               
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A: R:Unfortunately, the customer can NOT use this API to code the               
communications to allow a RISC System/6000 to attach to S/370 channel           
attached devices via the BMX adapter.  The BMX connection is NOT a 370-         
channel capable of driving I/O.  It is a 370 control unit (i.e. it              
emulates a 3088 control unit).                                                  
                                                                                
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This item was created from library item Q599950      BQLDB                      
                                                                                
Additional search words:                                                       
ADAP ATTACHED BLKD BLOCK BQLDB CHAN CHANNEL CODE COMMUNICATE                    
COMMUNICATIO CUSTOM CUSTOMIZATIO CUSTOMIZE CUSTOMIZER DEVICE DEVICES            
IX MUX OEM OZNEW RISCOC RISCSYSTEM SEP92 SOFTWARE WRITE WRITER                  
WRITING                                                                         
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                               


WWQA: ITEM: RTA000025569 ITEM: RTA000025569
Dated: 01/1995 Category: RISCOC
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