Specifications

EPC-6A Hardware Reference
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Figures
Figure 2-1. Jumper locations ..................................................................................................................................................... 6
Figure 3-1. Boot Process. .......................................................................................................................................................... 9
Figure 5-1. Block Diagram........................................................................................................................................................ 29
Figure B-1. EPC-6A FBD Memory Map................................................................................................................................... 47
Figure B-2. Null Modem Cable Connection.............................................................................................................................. 50
Tables
Table 1-1. Specifications.......................................................................................................................................................... 2
Table 2-1. Jumper locations ..................................................................................................................................................... 6
Table 3-1. Main Menu Selections ............................................................................................................................................ 14
Table 3-2. Clock/Calendar ....................................................................................................................................................... 14
Table 3-3. Drive Configuration................................................................................................................................................ 15
Table 3-4. Configure Floppy Drive A and B ........................................................................................................................... 15
Table 3-5. Configure Fixed Disk C and D............................................................................................................................... 15
Table 3-6. Edit Subtype............................................................................................................................................................ 16
Table 3-7. VME Control .......................................................................................................................................................... 16
Table 3-8. ULA Setup .............................................................................................................................................................. 17
Table 3-9. Slave Memory Base................................................................................................................................................ 17
Table 4-1. I/O Map.................................................................................................................................................................. 19
Table 4-2. VME mapped registers .......................................................................................................................................... 28
Table 5-1. Interrupts................................................................................................................................................................. 31
Table 5-2. VMEbus timing...................................................................................................................................................... 33
Table 6-1. Seven-segment display failure codes...................................................................................................................... 35
Table 6-2. Phoenix‘ NuBIOS Auxiliary Checkpoint Codes .................................................................................................... 36
Table 6-3. Phoenix‘ NuBIOS Checkpoint Codes..................................................................................................................... 38
Table 6-4. Phoenix‘ NuBIOS Boot Block Checkpoint Codes ................................................................................................. 39
Table A-1. LEDs....................................................................................................................................................................... 45
Table A-2. Speaker Connector.................................................................................................................................................. 45
Table A-3. Keyboard Pin-out.................................................................................................................................................... 46
Table A-4. COM1 Connector.................................................................................................................................................... 46
Table A-5. COM2 Connector.................................................................................................................................................... 46
Table B-1. FBD object placement ............................................................................................................................................ 48