Kontron AT8902 - Manual (Page 64)

AT8902 Hardware Description
Page 3 - 30 AT8902 User Guide
The AT8902 provides up to four 10GbE uplinks connected to the fabric switch. The following
table shows the available connection, depending on the fabric mezzanine option.
3.3.3 IPMI
The AM4310 supports an intelligent hardware management system based on the Intelligent
Platform Management Interface (IPMI).
The main building blocks of the IPMI architecture are:
• MMC (Module Management Controller)
• FUM (Firmware Upgrade Manager)
MMC
The MMC interacts with the IPMC on the base board through the IPMB-L-interface. The con-
troller provides the information about the AMC module, reports voltage levels and the temper-
ature at three different spots on the PCB.
FUM
The FUM controls the MMC firmware update. Two EEPROM banks are connected to the FUM,
one for the old firmware image and one for the new image. During an update, the new firmware
image will be programmed in one of the two EEPROMs. This new image is then programmed
into the MMC under control of the FUM. If the MMC does not start correctly with the new image,
the previous image of the other EEPROM will be programmed in the MMC.
Table 3-25: Fabric Interface 10GbE Port Maping
CLI ID 10GbE Port in AMC slots
Supported by AT8902 fabric
mezzanine GbE switch
0/25 AMC B2 XFP1 BCM56504, BCM56502,
0/26 AMC B2 XFP2 BCM56304, BCM56302
0/27 AMC B1 XFP1 BCM56504,
0/28 AMC B1 XFP2 BCM56304