ADLINK Technology cExpress-EL, User Manual

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cExpress-EL User’s Guide PICMG COM.0 R3.0
Page 6 Copyright © 2021 ADLINK Technology, Inc.
4.3.10 Miscellaneous....................................................................................................................................................................................................................................................................................................................35
4.3.11 SMBus ..................................................................................................................................................................................................................................................................................................................................36
4.3.12 I2C bus.................................................................................................................................................................................................................................................................................................................................36
4.3.13 General Purpose I/O (GPIO).........................................................................................................................................................................................................................................................................................37
4.3.14 Serial Interface Signals...................................................................................................................................................................................................................................................................................................38
4.3.15 Power and System Management...............................................................................................................................................................................................................................................................................39
4.3.16 Power and Ground ..........................................................................................................................................................................................................................................................................................................40
4.4 CD Connector Signal Descriptions.........................................................................................................................................................................................................................................................................................41
4.4.1 USB 3.0 Extensions ..........................................................................................................................................................................................................................................................................................................41
4.4.2 PCI Express .........................................................................................................................................................................................................................................................................................................................43
4.4.3 DDI1 Port ............................................................................................................................................................................................................................................................................................................................44
4.4.4 DDI2 port ............................................................................................................................................................................................................................................................................................................................47
4.4.5 DDI3 Port ............................................................................................................................................................................................................................................................................................................................50
4.4.6 PCIe Graphics Port (PEG)...............................................................................................................................................................................................................................................................................................50
4.4.7 Module Type Definition.................................................................................................................................................................................................................................................................................................51
4.4.8 Power and Ground ..........................................................................................................................................................................................................................................................................................................52
5. Additional Features .................................................................................................................................................................................................................................................................................................53
5.1 Debug Connector ........................................................................................................................................................................................................................................................................................................................54
5.2 Status LEDs.....................................................................................................................................................................................................................................................................................................................................55
5.3 Fan Connector...............................................................................................................................................................................................................................................................................................................................57
5.4 BIOS Default Reset ......................................................................................................................................................................................................................................................................................................................58
5.5 BIOS Boot Select...........................................................................................................................................................................................................................................................................................................................59
6. BIOS Checkpoints, Beep Codes..........................................................................................................................................................................................................................................................................60
6.1 Status Code Ranges ....................................................................................................................................................................................................................................................................................................................62
7. Software Support.....................................................................................................................................................................................................................................................................................................63
7.1.1 Windows 10 IOT Enterprise 64-bit.............................................................................................................................................................................................................................................................................63
7.1.2 Yocto Linux 64-bit ...........................................................................................................................................................................................................................................................................................................63
7.1.3 Ubuntu.................................................................................................................................................................................................................................................................................................................................63
7.1.4 VxWorks 64-bit.................................................................................................................................................................................................................................................................................................................63
8. Mechanical and Thermal.......................................................................................................................................................................................................................................................................................64
8.1 Module Dimensions....................................................................................................................................................................................................................................................................................................................64
8.2 Thermal Solutions........................................................................................................................................................................................................................................................................................................................65
8.2.1 Heatspreader: HTS...........................................................................................................................................................................................................................................................................................................65
8.2.2 Heatsink: THS ....................................................................................................................................................................................................................................................................................................................66
8.2.3 Heatsink: THSH .................................................................................................................................................................................................................................................................................................................67
8.2.4 Active Cooling: THSF ......................................................................................................................................................................................................................................................................................................68