0001/2 Top specification 0003/4 Block diagram 0005/6 Timing Diagram 0007/8 Flowchart 0009/10 Interrupt controls 0011/12 Flags, Drivers 0013/14 Step Counters 0015/16 Mill 0017/18 Microprogram 0019/20 Clock & ROM 0021/22 Data Bus Drivers 0023/24 L.E.D. Matrix 0025/26 PC Card Connections 0027/28 PC Card Pin Assignments 0029/30 PC Card Mechanical 0031/32 Microcode 0033 Microcode ROM Coding