Helios User Manual Rev B8 www.diamondsystems.com Page 2
CONTENTS
1. Important Safe Handling Information .............................................................................................................4
2. Introduction .......................................................................................................................................................6
3. Functional Block Diagram ...............................................................................................................................8
4. Board Diagram ..................................................................................................................................................9
5. Connector and Jumper Lists ........................................................................................................................ 10
5.1 I/O Connectors ............................................................................................................................................ 10
5.2 Configuration Jumpers ............................................................................................................................... 10
6. I/O Connectors ............................................................................................................................................... 11
6.1 Input Power (J4) ......................................................................................................................................... 11
6.2 I/O Power (J5) ............................................................................................................................................. 11
6.3 Panel Power Input (J22) ............................................................................................................................. 11
6.4 Serial Ports (J8) .......................................................................................................................................... 12
6.5 PS/2 Mouse and Keyboard (J3) ................................................................................................................. 13
6.6 USB (J15, J16) ........................................................................................................................................... 13
6.7 Ethernet (J11) ............................................................................................................................................. 14
6.8 VGA (J10) ................................................................................................................................................... 14
6.9 LVDS LCD Interface (J13, bottom side of board) ....................................................................................... 15
6.10 LCD Backlight (J9) ...................................................................................................................................... 15
6.11 IDE (J12) ..................................................................................................................................................... 16
6.12 External Battery (J6) ................................................................................................................................... 16
6.13 Digital I/O (J7) ............................................................................................................................................. 17
6.14 Data Acquisition (J17) ................................................................................................................................ 18
6.15 Miscellaneous (J14) .................................................................................................................................... 19
6.16 Autocalibration (J19) ................................................................................................................................... 19
6.17 FPGA Programming (J20) .......................................................................................................................... 19
6.18 PC/104 ISA Bus (J1, J2) ............................................................................................................................. 20
7. Configuration Jumpers ................................................................................................................................. 21
7.1 LCD Backlight Power (J18) ........................................................................................................................ 21
7.2 Data Acquisition Interrupt Configuration (J21) ........................................................................................... 22
7.3 RS-422/RS-485 Configuration (J25, J26) ................................................................................................... 23
8. System Resources ......................................................................................................................................... 24
9. Video Features ............................................................................................................................................... 25
9.1 CRT ............................................................................................................................................................ 25
9.2 LCD ............................................................................................................................................................. 26
9.3 Changing the LCD / CRT Resolution ......................................................................................................... 27
9.3.1 Modifying the BIOS with a New LCD Resolution ............................................................................... 28
9.3.2 Updating the BIOS with SPIFLASH Software .................................................................................... 29
10. Installation and Configuration ...................................................................................................................... 30
10.1 Quick Setup ................................................................................................................................................ 30
10.2 Boot Device Options ................................................................................................................................... 30
11. BIOS Functions .............................................................................................................................................. 31
11.1 Entering the BIOS ....................................................................................................................................... 31
11.2 Restoring Default BIOS Settings ................................................................................................................ 31
11.3 Setting the Date and Time .......................................................................................................................... 31
11.4 Built-In Flash Drive with FreeDOS .............................................................................................................. 31
11.5 ISA Bus IRQ Reservation ........................................................................................................................... 31
11.6 Blue LED ..................................................................................................................................................... 32
11.7 ISA Bus Speed ........................................................................................................................................... 32
11.8 Quiet / Quick Boot / Splash Screen ............................................................................................................ 32
11.9 Boot Priority ................................................................................................................................................ 32
11.10 System Reset ............................................................................................................................................. 32
12. Serial Ports and System Console ................................................................................................................ 33
12.1 Overview ..................................................................................................................................................... 33
12.2 Serial port Configuration ............................................................................................................................. 33
12.3 Console Redirection to a Serial Port .......................................................................................................... 34
13. Data Acquisition Circuit Overview ............................................................................................................... 35
14. Data Acquisition I/O Register Map ............................................................................................................... 36
14.1 Overview ..................................................................................................................................................... 36
14.2 Register Write Functions ............................................................................................................................ 37
14.3 Register Read Functions ............................................................................................................................ 38