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System Management: IPMI Messaging
ATCA-9305 User’s Manual 10009109-01
7-2
Figure 7-1: IPMC Connections Block Diagram
IPMI MESSAGING
All IPMI messages contain a Network Function Code field, which defines the category for a
particular command. Each category has two codes assigned to it–one for requests and one
for responses. The code for a request has the least significant bit of the field set to zero,
while the code for a response has the least significant bit of the field set to one.
Ta bl e 7 - 1 lists
the network function codes (as defined in the IPMI specification) used by the IPMC.
UART
& LPC