Specifications

E
I
2
C and SMBus map
165
PCA9555 (AMC PCIe and RTM
PCIe0)
Slave IOH SMBus 41h 40h
PCA9555 (RTM PCIe1) Slave IOH SMBus 43h 42h
a
The three geographical pins GA[2:0] are used to assign to IPMB-L address of the AMC. G=Logic Ground,
U=Unconnected, P=Pulled up to P3V3 Management Power.
b
The IPMB-L address of the RTM is assigned in the firmware.
Table 55. I
2
C and SMBus device addresses (continued)
Device Master / slave Bus # Read address Write address