COM-HPC-sIDH User's Guide
Table of Contents
Revision History ................................................................................................................................................................................................................................................................................................................ 2
Preface .................................................................................................................................................................................................................................................................................................................................. 3
Table of Contents ............................................................................................................................................................................................................................................................................................................. 7
List of Figures ................................................................................................................................................................................................................................................................................................................... 10
1. Introduction ............................................................................................................................................................................................................................................................................................................... 11
2. Specifications ............................................................................................................................................................................................................................................................................................................. 12
2.1. Core System ................................................................................................................................................................................................................................................................................................................................... 12
2.2. Expansion Busses ......................................................................................................................................................................................................................................................................................................................... 13
2.3. Ethernet KR ..................................................................................................................................................................................................................................................................................................................................... 14
2.4. Ethernet NBASE-T ........................................................................................................................................................................................................................................................................................................................ 15
2.5. Multi I/O and Storage ................................................................................................................................................................................................................................................................................................................ 15
2.6. Trusted Platform Module (TPM) ............................................................................................................................................................................................................................................................................................. 17
2.7. SEMA Board controller ............................................................................................................................................................................................................................................................................................................... 17
2.9. Debug............................................................................................................................................................................................................................................................................................................................................... 18
2.10. Power ................................................................................................................................................................................................................................................................................................................................................ 18
2.11. Mechanical and Environmental............................................................................................................................................................................................................................................................................................... 18
3. Block Diagram ........................................................................................................................................................................................................................................................................................................... 20
4. Pinout and Signal Descriptions .......................................................................................................................................................................................................................................................................... 21
4.1. Pin Summary .................................................................................................................................................................................................................................................................................................................................. 21
4.2. Signal Terminology Descriptions ........................................................................................................................................................................................................................................................................................... 28
4.3. Signal Descriptions on J1/J2 Connectors ............................................................................................................................................................................................................................................................................ 29
4.3.1
Ethernet KR ........................................................................................................................................................................................................................................................................................................................ 29
4.3.2
NBASE-T Ethernet ............................................................................................................................................................................................................................................................................................................ 31
4.3.3
PCI Express ......................................................................................................................................................................................................................................................................................................................... 33
4.3.4
USB ........................................................................................................................................................................................................................................................................................................................................ 40
4.3.5
SATA ..................................................................................................................................................................................................................................................................................................................................... 42
4.3.6
Asynchronous Serial Port .............................................................................................................................................................................................................................................................................................. 43
4.3.7
I2C ......................................................................................................................................................................................................................................................................................................................................... 43
4.3.8
eSPI ....................................................................................................................................................................................................................................................................................................................................... 44
4.3.9
Boot SPI (BIOS ONLY) and Boot Select .................................................................................................................................................................................................................................................................... 44
4.3.10
Port 80 Support on USB_PD I2C Bus ........................................................................................................................................................................................................................................................................ 45
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PICMG COM-HPC R1.1
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