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Thermal  Sensor  Fan Power  Sensor                         Control Board










                                    HW monitor  W83795  I2C Switch  PCA9548  LAN Switch  MCU  AST1250  EEPROM








                           IPMB Block Diagram 2



                                                                               I2C   Buffer







                                                                                                    Confidential




                                                    PCIe x16
                                                                                          PCIe x8
                                   x 8  PWMx8                                  IPMB
                                   Tach                                                   6U Bridge  Board

                                                             IPMB1~6


















                                                       Node 1  Node 2  Node 3  Node 4  Node 5  Node 6  I2C Buffer  P82B96  I2C Buffer  P82B96  I2C Buffer  P82B96  I2C Buffer  P82B96  I2C Buffer  P82B96  I2C Buffer  RMC Module  (RMC board + RMC BPB)



                                                                              MCU  AST1250



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