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Prometheus CPU User Manual V1.44 Page 2
PROMETHEUS High-Integration PC/104 CPU with Ethernet and Data Acquisition
TABLE OF CONTENTS
1.
DESCRIPTION ......................................................................................................................4
2. FEATURES ...........................................................................................................................5
3. PROMETHEUS BOARD DRAWING ....................................................................................7
4. I/O HEADERS .......................................................................................................................8
5. JUMPER CONFIGURATION ..............................................................................................16
6. SYSTEM FEATURES .............................................................................................................18
7. BIOS....................................................................................................................................22
7.1 BIOS SETTINGS.................................................................................................................22
7.2 BIOS DOWNLOAD / RECOVERY...........................................................................................23
7.3 DISK-ON-BOARD™ FLASH FILE STORAGE...........................................................................24
8. SYSTEM I/O ........................................................................................................................26
8.1 ETHERNET .........................................................................................................................26
8.2 SERIAL PORTS ...................................................................................................................27
8.3 PARALLEL PORT.................................................................................................................27
9. NOTES ON OPERATING SYSTEMS AND BOOTING PROCEDURES ............................28
9.1 BOOTING TO DOS FROM A FLOPPY DRIVE...........................................................................28
9.2 INSTALLING AN OS FROM A FLOPPY DRIVE ONTO A FLASHDISK MODULE...............................28
10. DATA ACQUISITION CIRCUIT ..........................................................................................30
11. DATA ACQUISITION CIRCUITRY I/O MAP.......................................................................31
11.2 DATA ACQUISITION CIRCUIT REGISTER MAP ....................................................................32
12. DATA ACQUISITION CIRCUIT CONFIGURATION ...........................................................45
13. ANALOG INPUT RANGES AND RESOLUTION ...............................................................47
13.1 OVERVIEW .....................................................................................................................47
13.2 INPUT RANGE SELECTION ...............................................................................................47
13.3 INPUT RANGE TABLE.......................................................................................................47
14. PERFORMING AN A/D CONVERSION..............................................................................48
15. A/D SCAN, INTERRUPT, AND FIFO OPERATION ...........................................................51
16. ANALOG OUTPUT RANGES AND RESOLUTION ...........................................................53
17. GENERATING AN ANALOG OUTPUT ..............................................................................56
18. ANALOG CIRCUIT CALIBRATION....................................................................................57