Contents
Revision History ............................................................................................................................................... 2
Licenses ........................................................................................................................................................... 7
1. Introduction ............................................................................................................................................ 9
1.1. Reference Documents ............................................................................................................. 9
1.2. Acronyms and Terminology .................................................................................................... 9
2. Hardware Architecture ......................................................................................................................... 10
2.1. Overview ............................................................................................................................... 10
2.2. Block Diagram ....................................................................................................................... 12
2.2.1. Clock Tree .............................................................................................................................. 13
2.2.2. Power Tree ............................................................................................................................ 14
2.2.3. Reset Tree ............................................................................................................................. 16
2.3. Front/Rear Placement ........................................................................................................... 18
3. Sub-system of CPU Board ..................................................................................................................... 18
3.1. Configurations of CPU ........................................................................................................... 19
3.1.1. POR of CPU ............................................................................................................................ 20
3.2. 1G Interface .......................................................................................................................... 23
3.3. Software Configurations of CPU ........................................................................................... 24
3.4. Memory Mapping ................................................................................................................. 31
3.5. FLASH .................................................................................................................................... 36
3.6. RAM ....................................................................................................................................... 37
3.7. PCIe ....................................................................................................................................... 38
3.8. I2C/SMBus Architecture ........................................................................................................ 39
3.9. SATA ...................................................................................................................................... 41
3.10. 10G-Base-KR .......................................................................................................................... 42
3.11. BMC Module (Option) ........................................................................................................... 42
3.11.1. LPC ......................................................................................................................................... 43
3.11.2. PCIE ....................................................................................................................................... 43
3.11.3. SPI .......................................................................................................................................... 43
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