2 smbus devices, Smbus devices, Pch ipmc – ADLINK aTCA-9710 User Manual

Page 21: Cpu ddr i2c bus, Pch host i2c bus ipmc i2c bus

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21

3.2.2 SMBus

Devices

The aTCA-9710 provides a System Management Bus (SMBus) hosted by the Intel® C612
PCH. The topology is shown in the diagram below.





























DIMM A1

PCA9617

0xA0

CPU 0

DIMM B1

0xA8

DIMM A2

0xA2

DIMM B2

0xAA

DIMM C2

0xA2

DIMM D2

0xAA

DIMM D1

0xA8

DIMM C1

PCA9617

0xA0

0xA2

0xAA

0xA2

0xAA

DIMM H1

0xA8

DIMM G1

PCA9617

0xA0

DIMM F1

0xA8

DIMM E1

PCA9617

0xA0

CPU 1

DIMM E2

DIMM F2

DIMM G2

DIMM H2

CPU DDR I2C Bus

EEPROM (FRU)
24C256

SMBus I/O
PCA9555

LM73 x3

Thermal Sensor

SMBUS  ADDRESS  = 0x90/92/94

SMBUS  ADDRESS  = 0x5A

HW Monitor

NCT7904D

SMBUS  ADDRESS  = 

S

U

B

M

S

0

4

x

0

 ADDRESS  = 0xA6

I2CCLK_IPM

SMBUS  ADDRESS  = 0xE0

I2C SWITCH

PCA9545A

Thermal Sensor

LM73 x3

Thermal Sensor

LM73 x3

SMBus I/O
PCA9555

SMBUS  ADDRESS  = 0x42

SMBUS  ADDRESS  = 0x5E

HOT SWAP
IQ65033
PIM400KZ

SMBUS  ADDRESS  = 0xD0

DS1339U-33

RTC

SMBUS  ADDRESS  = 0xAA

EEPROM(SEL)
24C256

SMBUS  ADDRESS = 0x90/92/9 4 SMBUS ADDRESS = 0x90/92/94

I2CDAT_IPM

SMBus I/O
PCA9555

SMBUS  ADDRESS  = 0x46

PCH

IPMC

PCH Host I2C Bus

IPMC I2C Bus

SMBus

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