COMe-m4AL10 - User Guide, Rev. 1.7
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2.5.1. Heatspreader Plate (HSP) Assembly and Metal Heat Slug ..................................................................................................... 30
2.5.2. Active/Passive Cooling Solutions ................................................................................................................................................... 30
2.5.3. Operating with Kontron Heatspreader Plate (HSP) Assembly.............................................................................................. 30
2.5.4. Operating without Kontron Heatspreader Plate (HSP) Assembly ....................................................................................... 30
2.5.5. Temperature Sensors .......................................................................................................................................................................... 31
2.5.6. On-board Fan Connector ................................................................................................................................................................... 32
2.6. Environmental Specification................................................................................................................................................................ 32
2.6.1. Humidity ................................................................................................................................................................................................... 33
2.7. Standards and Certifications ............................................................................................................................................................... 33
2.7.1. MTBF ......................................................................................................................................................................................................... 33
2.8. Mechanical Specification ...................................................................................................................................................................... 35
2.8.1. Module Dimensions ............................................................................................................................................................................. 35
2.8.2. Module Height ....................................................................................................................................................................................... 35
2.8.3. Heatspreader and Metal Heat Slug Dimensions ....................................................................................................................... 36
3/ Features and Interfaces ................................................................................................................................................................. 37
3.1. ACPI Power States ................................................................................................................................................................................... 37
3.2. APPROTECT Security Solution (option) ............................................................................................................................................ 37
3.3. eMMC Flash Memory (option) ............................................................................................................................................................ 38
3.4. Fast I2C ....................................................................................................................................................................................................... 38
3.5. GPIO .............................................................................................................................................................................................................. 38
3.6. Hardware Monitor ................................................................................................................................................................................... 38
3.7. LPC ................................................................................................................................................................................................................ 39
3.8. Real Time Clock (RTC) ............................................................................................................................................................................ 39
3.9. Serial Peripheral Interface (SPI) ......................................................................................................................................................... 39
3.9.1. SPI boot .................................................................................................................................................................................................... 40
3.9.2. Using an External SPI Flash .............................................................................................................................................................. 40
3.9.3. External SPI Flash Boot on Modules with Intel® Management Engine ............................................................................... 41
3.10. SpeedStep™ Technology ..................................................................................................................................................................... 41
3.11. SD Card ........................................................................................................................................................................................................ 41
3.12. Trusted Platform Module (TPM 2.0) ............................................................................................................................................... 42
3.13. UART ........................................................................................................................................................................................................... 42
3.14. Watchdog Timer – Dual stage (WTD) ............................................................................................................................................. 42
3.14.1. Watchdog Timer Signal ..................................................................................................................................................................... 43
3.15. XDP Debug Port (option) ..................................................................................................................................................................... 43
4/ System Resources ............................................................................................................................................................................ 44
4.1. Interrupt Request (IRQ) Lines .............................................................................................................................................................. 44
4.2. Memory Area ............................................................................................................................................................................................ 44
4.3. I/O Address Map ...................................................................................................................................................................................... 45
4.4. Peripheral Component Interconnect (PCI) Devices ..................................................................................................................... 46
4.5. I2C Bus ......................................................................................................................................................................................................... 46
4.6. System Management (SM) Bus .......................................................................................................................................................... 46
5/ COMe Interface Connector............................................................................................................................................................. 48
5.1. Connecting the COMe Interface Connector to the Carrier Board ............................................................................................. 49
5.2. X1A Signals ................................................................................................................................................................................................. 49
5.3. COMe Interface Connector (X1A) Pin Assignment ....................................................................................................................... 50
5.4. Connector X1A Row A1 - A110 ............................................................................................................................................................... 50
5.5. Connector X1A Row B1 – B110 .............................................................................................................................................................. 54
6/ UEFI BIOS .............................................................................................................................................................................................. 58
6.1. Starting the uEFI BIOS............................................................................................................................................................................. 58