
VL-EPU-3312 Reference Manual vii
Dimensions and Mounting Holes .....................................................................................62
Thermal Considerations .............................................................................................63
Selecting the Correct Thermal Solution for Your Application ........................................63
Heat Plate.............................................................................................................63
System-level Considerations ...............................................................................63
CPU Thermal Trip Points....................................................................................64
Thermal Specifications, Restrictions, and Conditions ........................................66
Overall Restrictions and Conditions:...................................................................66
Heat Plate Only Restrictions and Conditions:.....................................................66
Heat Sink Only Considerations: ..........................................................................66
Heat Sink with Fan Considerations:....................................................................66
EPU-3312 Thermal Characterization ...............................................................................67
Test Results..........................................................................................................68
Installing VersaLogic Thermal Solutions.........................................................................72
Hardware Assembly.............................................................................................72
Installing the VL-HDW-406 Passive Heat Sink..................................................73
Installing the VL-HDW-415 Heat Sink Fan........................................................75
Installing the VL-HDW-408 Heat Pipe Block.....................................................76
KNOWN ISSUES ..........................................................................................................77
Figures
Figure 1. The Raven (VL-EPU-3312)............................................................................................................9
Figure 2. Raven (VL-EPU-3312) Block Diagram.........................................................................................11
Figure 3. Raven Dimensions and Mounting Holes........................................................................................12
Figure 4. Mounting Plate Dimensions...........................................................................................................13
igure 5. Typical Development Configuration................................................................................................15
Figure 6. Jumpers As-Shipped Configuration................................................................................................17
Figure 7. Baseboard Connector Locations.....................................................................................................20
Figure 8. Main Power Connector Pin Orientation.........................................................................................21
Figure 9. Location and Pin Orientation of the Battery Connector.................................................................24
Figure 10. VL-CBR-0203 Latching Battery Module.....................................................................................25
Figure 11. Location and Pin Orientation of the CPU Fan Connector ............................................................26
Figure 12. Location of Status Indicator LEDs...............................................................................................27
Figure 13. Location of the Power-good/Fault Indicator LED........................................................................28
Figure 14. Location of the SATA Connector ................................................................................................29
Figure 15. Location of the microSD Socket ..................................................................................................30
Figure 16. Location of the USB Ports ...........................................................................................................31
Figure 17. Location of Mini PCIe Sockets....................................................................................................32
Figure 18. Mini PCIe Wireless Status LEDs.................................................................................................35
Figure 19. Location of the SATA/mSATA Activity LED.............................................................................36
Figure 20. Location and Pin Orientation of the User I/O Connector.............................................................37
Figure 21. Location and Pin Orientation of the Analog-to-Digital Input Connector .....................................39
Figure 22. SPX Connector Location and Pin Configuration .........................................................................41
Figure 23. Location and Pin Orientation of the Serial I/O Connectors..........................................................43
Figure 24. Location of the Mini DisplayPort++ Connector...........................................................................47
Figure 25. VL-CBR-2032 Mini DisplayPort to VGA Adapter......................................................................48
Figure 26. Location of the LVDS Connectors...............................................................................................49
Figure 27. Location and Pin Orientation of the Ethernet Connector .............................................................52