
vii VL-EPU-4012 Hardware Reference Manual
CPU Thermal Trip Points....................................................................................63
Thermal Specifications, Restrictions, and Conditions ........................................64
Overall Restrictions and Conditions:...................................................................64
Heat Plate Only Restrictions and Conditions:.....................................................64
Heat Sink Only Considerations: ..........................................................................64
Heat Sink with Fan Considerations:....................................................................65
EPU-4012 Thermal Characterization ...............................................................................65
Thermal Test Results...........................................................................................65
Test Scenario 1: Dual Core EPU-4012-EAP without HDW-415 fan..................65
Installing VersaLogic Thermal Solutions.........................................................................67
Hardware Assembly............................................................................................. 67
Installing the VL-HDW-416 Passive Heat Sink..................................................68
Installing the VL-HDW-415 Heat Sink Fan........................................................ 70
Installing the VL-HDW-408 Heat Pipe Block.....................................................71
Figures
Figure 1. The Owl (VL-EPU-4012) ...............................................................................................................9
Figure 2. Owl (VL-EPU-4012) Block Diagram ............................................................................................11
Figure 3. Owl Dimensions and Mounting Holes ...........................................................................................12
Figure 4. Mounting Plate Dimensions...........................................................................................................13
Figure 5. Typical Development Configuration..............................................................................................15
Figure 6. Jumpers As-Shipped Configuration................................................................................................17
Figure 7. Baseboard Connector Locations.....................................................................................................20
Figure 8. Location and Pin Orientation of the Battery Connector.................................................................23
Figure 9. VL-CBR-0203 Latching Battery Module.......................................................................................24
Figure 10. Location and Pin Orientation of the CPU Fan Connector............................................................25
Figure 11. Location of Status Indicator LEDs...............................................................................................26
Figure 12. Location of the Power-good/Fault Indicator LED........................................................................27
Figure 13. Location of the SATA Connector ................................................................................................28
Figure 14. Location of the microSD Socket..................................................................................................29
Figure 15. Location of the USB Ports ...........................................................................................................30
Figure 16. Location of Mini PCIe Sockets....................................................................................................31
Figure 17. Mini PCIe Wireless Status LEDs.................................................................................................34
Figure 18. Location of the SATA/mSATA Activity LED.............................................................................35
Figure 19. Location and Pin Orientation of the User I/O Connector.............................................................36
Figure 20. Location and Pin Orientation of the Analog-to-Digital Input Connector .....................................38
Figure 21. SPX Connector Location and Pin Configuration .........................................................................40
Figure 22. Location and Pin Orientation of the Serial I/O Connectors..........................................................42
Figure 23. Location of the Mini DisplayPort++ Connector...........................................................................46
Figure 24. VL-CBR-2032 Mini DisplayPort to VGA Adapter......................................................................47
Figure 25. Location of the LVDS Connectors...............................................................................................48
Figure 26. Location and Pin Orientation of the Ethernet Connector .............................................................51
Figure 27. Onboard Ethernet Status LEDs ....................................................................................................53
Figure 28. VL-CBR-4005B Connectors, Switches, and LEDs......................................................................54
Figure 29. Location and Pin Orientation of the User I/O Connector.............................................................55
Figure 30. Location and Pin Orientation of Auxiliary I/O Connector ...........................................................57
Figure 31. VL-CBR-4005B Dimensions and Mounting Holes......................................................................58
Figure 32. CBR-2004B Connectors...............................................................................................................59
Figure 33. Analog Input and Ground Terminal Block Pinouts......................................................................60
Figure 34. Location and Pin Orientation of the Main I/O Connector............................................................60