| P82510 | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        SERIAL I/O CONTROLLER, 1 CHANNEL | 
                                    
                                                                    
                                        | P8251A | 
                                        Advanced Micro Devices | 
                                        3,090 | 
                                        PROGRAMMABLE COMMS INTERFACE | 
                                    
                                                                    
                                        | P8251A-G | 
                                        Rochester Electronics | 
                                        3,538 | 
                                        P8251A-G | 
                                    
                                                                    
                                        | P8253-5 | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        PROGRAMMABLE TIMER, 3 TIMER(S), | 
                                    
                                                                    
                                        | P82530 | 
                                        Rochester Electronics | 
                                        4,774 | 
                                        MULTI PROTOCOL CONTROLLER, 2 CHA | 
                                    
                                                                    
                                        | P82530-6 | 
                                        Rochester Electronics | 
                                        1,526 | 
                                        MULTI PROTOCOL CONTROLLER, 2 CHA | 
                                    
                                                                    
                                        | P825306 | 
                                        Altera (Intel) | 
                                        35,000 | 
                                        PROGRAMMABLE INTERVAL TIMER | 
                                    
                                                                    
                                        | P8254 | 
                                        Rochester Electronics | 
                                        1,482 | 
                                        PROGRAMMABLE TIMER, 3 TIMER(S), | 
                                    
                                                                    
                                        | P8254-2 | 
                                        Rochester Electronics | 
                                        35,000 | 
                                        P8254 - PROGRAMMABLE TIMER, 3 TI | 
                                    
                                                                    
                                        | P8259A-2 | 
                                        Altera (Intel) | 
                                        17,876 | 
                                        INTERRUPT CONTROLLER |