| MD8212/B | 
                                        Rochester Electronics | 
                                        248 | 
                                        MD8212/B | 
                                    
                                                                    
                                        | MD82188/R | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        MD82188/R | 
                                    
                                                                    
                                        | MD82289-8 | 
                                        Rochester Electronics | 
                                        450 | 
                                        80X86 BUS ARBITER | 
                                    
                                                                    
                                        | MD8243/B | 
                                        Rochester Electronics | 
                                        332 | 
                                        I/O EXPANDER | 
                                    
                                                                    
                                        | MD82510/B | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        SERIAL I/O CONTROLLER, 1 CHANNEL | 
                                    
                                                                    
                                        | MD8251A | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        SERIAL I/O CONTROLLER, 2 CHANNEL | 
                                    
                                                                    
                                        | MD8251A/BXA | 
                                        Rochester Electronics | 
                                        3,050 | 
                                        8251A - SERIAL I/O CONTROLLER, 2 | 
                                    
                                                                    
                                        | MD8253/BJA | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        DUAL MARKED (5962-8752002JA) | 
                                    
                                                                    
                                        | MD8254/B | 
                                        Rochester Electronics | 
                                        624 | 
                                        PROG INTERVAL TIMER | 
                                    
                                                                    
                                        | MD8255A/B | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        8255A - PROG PERIPHERAL INTERFAC | 
                                    
                                                                    
                                        | MD8255A/BQA | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        8255A - PROG PERIPHERAL INTERFAC | 
                                    
                                                                    
                                        | MD8257 | 
                                        Altera (Intel) | 
                                        3,677 | 
                                        DMA CONTROLLER, MOS, CDIP40 | 
                                    
                                                                    
                                        | MD8259A/B | 
                                        Rochester Electronics | 
                                        357 | 
                                        INTERRUPT CONTROLLER, 8086; 8088 | 
                                    
                                                                    
                                        | MD8259A/BXA | 
                                        Rochester Electronics | 
                                        171 | 
                                        DUAL MARKED (5962-87510801XA) | 
                                    
                                                                    
                                        | MD8274/B | 
                                        Rochester Electronics | 
                                        196 | 
                                        8274 - MULTI-PROTOCOL SERIAL CON |