ADLINK Technology COM Express Express-BL User Manual page 5

3.3.9. LPC Bus ........................................................................................................................................23
3.3.10. USB ..............................................................................................................................................23
3.3.11. USB Root Segmentation ..............................................................................................................24
3.3.12. SPI (BIOS only) .............................................................................................................................24
3.3.13. Miscellaneous..............................................................................................................................25
3.3.14. SMBus..........................................................................................................................................25
3.3.15. I2C Bus.........................................................................................................................................25
3.3.16. General Purpose I/O (GPIO) ........................................................................................................26
3.3.17. Serial Interface Signals ................................................................................................................26
3.3.18. Power and System Management ................................................................................................26
3.3.19. Power and Ground ......................................................................................................................27
3.4. CD Signal Descriptions .................................................................................................. 28
3.4.1. USB 3.0 Extension .......................................................................................................................28
3.4.2. PCI Express x1..............................................................................................................................28
3.4.3. DDI Channels ...............................................................................................................................29
3.4.4. DDI to DP/HDMI Mapping...........................................................................................................31
3.4.5. PCI Express Graphics x16 (PEG)...................................................................................................32
3.4.6. Module Type Definition ..............................................................................................................33
3.4.7. Power and Ground ......................................................................................................................33
4. Module Interfaces and Configuration ................................................. 34
4.1. Connector, Switch and LED Locations........................................................................... 34
4.1.1. Express-BL and the DB40 Module connected .............................................................................34
4.2. 40-pin Multipurpose Connector ................................................................................... 35
4.3. Status LEDs.................................................................................................................... 36
4.4. Fan Connector............................................................................................................... 37
4.5. BIOS Setup Defaults Reset Button ................................................................................ 38
4.6. Express-BL Switch Settings............................................................................................ 39
4.6.1. Switch Locations..........................................................................................................................39
4.6.2. PCI Express Configuration Switch................................................................................................40
4.6.3. BIOS Select and Mode Configuration Switch ..............................................................................40
4.7. PCIe x16-to-two-x8 Adapter Card ................................................................................. 41
5. Smart Embedded Management Agent (SEMA) .................................. 42
5.1. Board Specific SEMA Functions .................................................................................... 43
5.1.1. Voltages.......................................................................................................................................43
5.1.2. Main Current ...............................................................................................................................43
5.1.3. BMC Status ..................................................................................................................................43
5.1.4. Exception Codes ..........................................................................................................................44
5.1.5. BMC Flags....................................................................................................................................44
Express-BL
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