3.10. 10G-Base-KR
The 10GBE interface of the multiplexer switches Broadwell-DE CPU uses 10G-KR to
communicate with the MAC BCM56873 to support additional high speed datalink between CPU and
MAC.
Figure 21 10GBase-KR Connection
3.11. BMC Module (Option)
The BMC (Baseboard management controller) is used for monitoring the system HW
information including thermal, power, FAN and CPU status, even if the CPU is under sleeping mode.
There are 2 kinds of BMC module solution, one is AST2400, the other is AST1250.
The difference between AST2400 and AST1250 is that only AST2400 has embedded graphic
chip (VGA) and can support vKVM function.
The BMC module would be installed in CONN14 for corresponding SKU.
The following brief descriptions are for the interface between BMC module and CPU board in
following sections
Figure 22 BMM connection
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