Kontron ETX-DC Manuel d'utilisateur télécharger pdf (Page 4)

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4.5.1 Alternative pinning ................................................................................................................................ 20

4.5.2 Connector X3 (Signal Levels) .................................................................................................................... 22

4.6 Connector X3 Signal Description ................................................................................................................. 24

4.7 Connector X4 Subsystems.......................................................................................................................... 26

4.7.1 Connector X4 (IDE 1, IDE 2, Ethernet, Miscellaneous) ................................................................................... 26

4.7.2 Connector X4 (Signal Levels) .................................................................................................................... 27

4.7.3 Connector X4 Signal Description ............................................................................................................... 29

4.8 SDVO Connector J9 .................................................................................................................................. 31

4.8.1 Location of the connector ........................................................................................................................ 31

4.8.2 SDVO Output ......................................................................................................................................... 31

4.8.3 Connector and Flat Foil Cable ................................................................................................................... 32

4.8.4 Software Requirements ........................................................................................................................... 32

4.8.5 Pinout Feature Connector J9 .................................................................................................................... 33

5 Special Features ............................................................................ 34

5.1 Watchdog Timer ...................................................................................................................................... 34

5.2 SATA Support .......................................................................................................................................... 34

5.3 Restrictions ............................................................................................................................................ 34

5.3.1 ISA Bus ................................................................................................................................................ 34

5.3.2 ISA VGA ................................................................................................................................................ 34

5.3.3 LVDS .................................................................................................................................................... 34

6 Design Considerations .................................................................... 35

6.1 Thermal Management ............................................................................................................................... 35

6.2 Heat spreader ......................................................................................................................................... 36

6.3 ETX-DC® onboard fan connector ................................................................................................................. 36

6.3.1 Schematic of fan control .......................................................................................................................... 36

6.3.2 Location and Pinout of fan connector J8 ..................................................................................................... 37

7 Important Technology Information.................................................... 38

7.1 I/O APIC vs 8259 PIC Interrupt mode ........................................................................................................... 38

7.1.1 Method of interrupts transmission ............................................................................................................. 38

7.1.2 Interrupt priority ................................................................................................................................... 38

7.1.3 More interrupts ..................................................................................................................................... 38

7.2 Thermal Monitor and Catastrophic Thermal Protection .................................................................................... 38

7.3 ACPI Suspend Modes and Resume Events ...................................................................................................... 38

8 System Resources .......................................................................... 40

8.1 Interrupt Request (IRQ) Lines .................................................................................................................... 40

8.1.1 In 8259 PIC mode ................................................................................................................................... 40

1 2 3 4 5 6 7 8 9 ... 80 81

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Kontron ETX-DC Manuel d'utilisateur Page 4

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